Split (1)

train · 54.6k rows

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https://hackaday.com/2018/06/08/algae-on-your-plate/	Algae On Your Plate	Brian McEvoy	[ "cooking hacks", "Solar Hacks" ]	[ "algae", "carbon dioxide", "clean water", "co2", "filter", "food", "superfood" ]	https://hackaday.com/wp-…flakes.png?w=800	For those of us who grow up around natural swimming holes, algae are the reason we have to wash after taking a dip. Swimmer’s itch* or just being covered in green goop is not an attractive way to spend an afternoon. Lumping all algae together is not fair, some of it is nasty but some of it is delicious and humans have ...	34	9	[ { "comment_id": "4622057", "author": "Ostracus", "timestamp": "2018-06-09T02:10:20", "content": "Algae and biofuel.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4622098", "author": "Daniel Matthews", "timestamp": "2018-06-09T02:18:55", ...	1,760,374,338.276299
https://hackaday.com/2018/06/08/a-tinfoil-free-internet-of-ceiling-fans/	A Tinfoil-Free Internet Of Ceiling Fans	Dan Maloney	[ "home hacks" ]	[ "ceiling fan", "ESP8266", "hvac", "IR remote", "sonoff", "temperature", "time", "ventilation" ]	https://hackaday.com/wp-…920974.jpg?w=800	Putting everything on the Internet is getting easier and easier, what with the profusion of Internet-ready appliances as well as cheap and plentiful IoT modules to integrate legacy devices. Think IoT light bulbs, refrigerators and dishwashers that can be controlled from a smartphone, and the ubiquitous Sonoff modules. ...	9	6	[ { "comment_id": "4621764", "author": "reggy", "timestamp": "2018-06-08T23:22:14", "content": "Having the ability to control the speed and direction might be nice. Also on the fan perhaps instead of the timer or along with it, the ability for it to click off when it reaches it’s temperature set poin...	1,760,374,338.398448
https://hackaday.com/2018/06/08/calclock-keeps-you-tied-to-the-mast/	CalClock Keeps You Tied To The Mast	Kristina Panos	[ "clock hacks", "Raspberry Pi" ]	[ "custom clock", "google calendar", "Neopixels", "plywood", "Raspberry Pi Zero W" ]	https://hackaday.com/wp-…ck-800.png?w=800	Now that most of what we do revolves around our phones and/or the internet, it’s nearly impossible to take a short break from work to check the ol’ calendar without being lured by the sirens on the shore of social media. Well, [samvanhook] was tired of being drawn in when all he really needs is a vague idea of what’s c...	3	2	[ { "comment_id": "4621439", "author": "Ren", "timestamp": "2018-06-08T20:33:08", "content": "Next iteration: Have the ‘duino monitor the clock circuit and delay or speed up the timing of the magnetic pulses.Nice build. I like the “mid-century” look.", "parent_id": null, "depth": 1, "rep...	1,760,374,338.104554
https://hackaday.com/2018/06/08/turning-tact-switches-into-keyboards/	Turning Tact Switches Into Keyboards	Brian Benchoff	[ "The Hackaday Prize" ]	[ "2018 Hackaday Prize", "keyboard", "mechanical keyboard" ]	https://hackaday.com/wp-…6/kbha.png?w=800	One of the great unsolved problems in the world of DIY electronics is a small keyboard. Building your own QWERTY keyboard is a well-studied and completely solved problem; you need only look at the mechanical keyboard community for evidence of that. For a small keyboard, though, you’d probably be looking at an old Black...	21	12	[ { "comment_id": "4621198", "author": "TGT", "timestamp": "2018-06-08T18:38:30", "content": "I kind of want one of these", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4621247", "author": "Max Siegieda (@CampGareth)", "timestamp": "2018-06-08T18:52:56",...	1,760,374,338.163106
https://hackaday.com/2018/06/08/biasing-that-transistor-part-4-dont-forget-the-fet/	Biasing That Transistor Part 4: Don’t Forget The FET	Jenny List	[ "Hackaday Columns", "how-to", "Original Art", "Parts" ]	[ "fet", "field effect transistor", "mosfet", "transistor" ]	https://hackaday.com/wp-…05/fet.jpg?w=800	The 2N3819 is the archetypal general-purpose N-channel FET. ( ON Semiconductor ) Over the recent weeks here at Hackaday, we’ve been taking a look at the humble transistor. In a series whose impetus came from a friend musing upon his students arriving with highly developed knowledge of microcontrollers but little of bas...	36	17	[ { "comment_id": "4620853", "author": "Ren", "timestamp": "2018-06-08T17:20:10", "content": "” A closer similarity exists between a FET and a triode tube, if that helps.”My Vo-Tech first taught us Vacuum Tube (Valves -Jenny) Theory followed by FET operation, and then we learned BJT’s, and other semic...	1,760,374,338.354178
https://hackaday.com/2018/06/08/minimum-viable-1-d-pong/	Minimum Viable 1-D PONG	Kristina Panos	[ "ATtiny Hacks" ]	[ "1D", "attiny85", "charlieplexing", "pong" ]	https://hackaday.com/wp-…dp-800.png?w=800	What makes a game a game? Like, how do we know that we’re looking at a variation of PONG when confronted with one? And how do we know how to play it? [Bertho] sought to answer this question as he designed what is probably the smallest-ever 1-D PONG game . His answer involves charlieplexing LEDs, using a voltage divider...	4	3	[ { "comment_id": "4620826", "author": "schlem", "timestamp": "2018-06-08T17:00:57", "content": "This kinda reminds me of that 1D Tetris game the Rockbox team included on their alternative iPod firmware.I still cant figure out how to lose, it’s frustrating!!!!This on the other hand is actually a game ...	1,760,374,338.20665
https://hackaday.com/2018/06/12/teardown-locates-fractal-antenna/	Teardown Locates Fractal Antenna	Al Williams	[ "Teardown", "Wireless Hacks" ]	[ "antenna", "fractal antenna", "Fractals", "pcb antenna" ]	https://hackaday.com/wp-…ractal.png?w=800	[IMSAI Guy] tore apart a device with a wireless network card and decided to investigate what was under the metal can. You can see the video of his examination below. Overall, it was fairly unremarkable, but one thing that was interesting was its use of an antenna on the PCB that uses a fractal design. You probably know...	23	14	[ { "comment_id": "4631006", "author": "Hedley K Rainnie", "timestamp": "2018-06-12T23:19:20", "content": "2/4ghz WLAN board. BRCM CSP SoC.https://wikidevi.com/wiki/Askey_WLU6117-D69", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4631013", "author": "Ostracu...	1,760,374,338.5188
https://hackaday.com/2018/06/12/scotty-allens-pcb-fab-tour-is-like-willy-wonkas-for-hardware-geeks/	Scotty Allen’s PCB Fab Tour Is Like Willy Wonka’s For Hardware Geeks	Mike Szczys	[ "Tool Hacks" ]	[ "factory tours", "pcb", "PCB fab", "pcb fabrication" ]	https://hackaday.com/wp-…atured.jpg?w=800	The availability of low-cost, insanely high-quality PCBs has really changed how we do electronics. Here at Hackaday we see people ditching home fabrication with increasing frequency, and going to small-run fab for their prototypes and projects. Today you can get a look at the types of factory processes that make that p...	23	11	[ { "comment_id": "4630784", "author": "Yoda McFly", "timestamp": "2018-06-12T20:59:14", "content": "“…wondering how the inner layers are aligned with the outer. If you have insight on this please sound off in the comments below.”Just a guess, but I would think it would be something similar to the pro...	1,760,374,338.45959
https://hackaday.com/2018/06/12/these-twenty-amazing-projects-won-the-robotics-module-challenge/	These Twenty Amazing Projects Won The Robotics Module Challenge	Brian Benchoff	[ "Hackaday Columns", "The Hackaday Prize" ]	[ "2018 Hackaday Prize", "Robotics Module", "Robotics Module Challenge" ]	https://hackaday.com/wp-…atured.jpg?w=800	Right now, we’re running the greatest hardware competition on the planet. The Hackaday Prize is the Academy Awards of Open Hardware, and we’re opening the gates to thousands of hardware hackers, makers, and artist to create the next big thing. Last week, we wrapped up the second challenge in The Hackaday Prize, the Rob...	4	3	[ { "comment_id": "4630666", "author": "Digital Corpus", "timestamp": "2018-06-12T19:20:46", "content": "Continue reading —>", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4632067", "author": "Josh Starnes", "timestamp": "2018-06-13T13:46:44", ...	1,760,374,338.566059
https://hackaday.com/2018/06/12/the-flight-of-the-seagull-valentina-tereshkova-cosmonaut/	The Flight Of The Seagull: Valentina Tereshkova, Cosmonaut	Dan Maloney	[ "Biography", "History", "Original Art", "Slider", "Space" ]	[ "astronaut", "cosmonaut", "orbit", "profiles in science", "seagull", "space", "space race", "Tereshkova", "Vostok" ]	https://hackaday.com/wp-…shkova.jpg?w=800	That the Cold War was a tense and perilous time in history cannot be denied, and is perhaps a bit of an understatement. The world stood on the edge of Armageddon for most of it, occasionally stepping slightly over the line, and thankfully stepping back before any damage was done. As nerve-wracking as the Cold War was, ...	47	15	[ { "comment_id": "4630563", "author": "Ren", "timestamp": "2018-06-12T17:36:00", "content": "Wow! Her uniforms has almost as many decorations and ribbons as a North Korean general!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4630641", "author": "tw...	1,760,374,338.713417
https://hackaday.com/2018/06/12/3d-print-a-remote-control-flame-thrower/	3D Print A Remote Control Flame Thrower	Jenny List	[ "hardware" ]	[ "butane", "flame", "flamethrower", "servo", "welding nozzle" ]	https://hackaday.com/wp-…atured.jpg?w=800	We all have a weakness for a good flamethrower project, but sometimes they can look a little hairy , even if losing hairs to them seems to be the order of the day. [Hyper_Ion] has a ‘thrower that might satisfy the need for fire among the cautious though, because he’s created a remote control flamethrower . Fuel for the...	11	6	[ { "comment_id": "4630470", "author": "Kenny_Z", "timestamp": "2018-06-12T15:50:54", "content": "And here I was doing so well resisting putting a flame thrower in my BT-1 blastomech project…", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4630526", "author":...	1,760,374,338.877259
https://hackaday.com/2018/06/12/real-world-pipelining-for-fpgas/	Getting Good At FPGAs: Real World Pipelining	Al Williams	[ "Featured", "FPGA", "Skills" ]	[ "edaplayground", "fpga", "pipeline", "verilog" ]	https://hackaday.com/wp-…atured.jpg?w=800	Parallelism is your friend when working with FPGAs. In fact, it’s often the biggest benefit of choosing an FPGA. The dragons hiding in programmable logic usually involve timing — chaining together numerous logic gates certainly affects clock timing. Earlier, I looked at how to split up logic to take better advantage of...	16	4	[ { "comment_id": "4630364", "author": "Erdin Wegener", "timestamp": "2018-06-12T14:20:37", "content": "I think there is a small error.Either the formula you want to compute is wrong or module f2.Fromula:(4x-3)/2f2:module f2(output [15:0] f, input [15:0] x);assign f=x+3;endmoduleDid you mix up the sig...	1,760,374,339.245835
https://hackaday.com/2018/06/12/fail-of-the-week-two-rotors-are-not-better-than-four/	Fail Of The Week: Two Rotors Are Not Better Than Four	Dan Maloney	[ "drone hacks", "Fail of the Week" ]	[ "coaxial", "drone", "multirotor", "quadrotor", "uav" ]	https://hackaday.com/wp-…bright.png?w=800	Fair warning: [Paweł Spychalski]’s video is mostly him talking about how bad his “dualcopter” ended up . There are a few sequences of the ill-fated UAV undergoing flight tests, most of which seem to end with it doing a reasonable impression of a post-hole auger. We have to admit that it’s a pretty poor drone. But one c...	20	12	[ { "comment_id": "4630133", "author": "Mike Massen", "timestamp": "2018-06-12T11:41:49", "content": "Interesting post, reminds me of way back when, thanks need more of that :-)I recall seeing a Popular Science (or P.Mechanics) article some 30-35 years ago which had a two stroke petrol motor (RC car t...	1,760,374,339.187861
https://hackaday.com/2018/06/09/japanese-fire-fighting-dragon-rides-water-jets/	Japanese Fire-Fighting Dragon Rides Water Jets	Richard Baguley	[ "Robots Hacks" ]	[ "firefighting", "robot" ]	https://hackaday.com/wp-…-water.jpg?w=720	If you are building a robot to fight fires, why not use the water that you are fighting fires with to propel your robot? That seems to be the idea behind the Dragon Fire Fighting robot built by [Professor Satoshi Tadokoro], and his team at Tadohoku University. Their dragon robot is raised by the same directed jets of w...	47	14	[ { "comment_id": "4624774", "author": "Jon H", "timestamp": "2018-06-10T02:53:30", "content": "RIP the lawn", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4627552", "author": "wartoaster", "timestamp": "2018-06-11T12:06:11", "content":...	1,760,374,339.108916
https://hackaday.com/2018/06/09/framed-raspberry-pi-keeps-tabs-on-spotify/	Framed Raspberry Pi Keeps Tabs On Spotify	Tom Nardi	[ "Musical Hacks", "Raspberry Pi" ]	[ "chromium", "ES6", "javascript", "spotify", "web development" ]	https://hackaday.com/wp-…e_feat.jpg?w=800	Perhaps you’ve noticed, but we here at Hackaday have a slight obsession with the over-engineered. One could fairly say there’s a linear relationship between how likely we are to feature a project and how needlessly complex it is. That said, it isn’t as if we are unable to appreciate a minimalist approach. Taking the sc...	8	3	[ { "comment_id": "4624877", "author": "Olsen", "timestamp": "2018-06-10T04:05:47", "content": "Hmm, great!I would have done it with a pre-build digital photoframe, and modded the embedded linux, and given up after getting ssh…Now we have the software to do stuff like this fo those of us not of the “j...	1,760,374,339.028617
https://hackaday.com/2018/06/09/this-is-an-inordinate-amount-of-switches/	This Is An Inordinate Amount Of Switches	Brian Benchoff	[ "The Hackaday Prize" ]	[ "2018 Hackaday Prize" ]	https://hackaday.com/wp-…/swhea.jpg?w=800	How do you start a good habit? As a blogger, someone who spends a spectacular amount of time on Twitter, and a Thought Leader Life Coach, I can tell you: the best way to start a good habit is by doing it every day. [Arduino Enigma] has just the solution to procrastination, laziness, or whatever else is stopping you fro...	28	14	[ { "comment_id": "4624052", "author": "Ted", "timestamp": "2018-06-09T20:09:02", "content": "It’s a very attractive PCB, and I like the blue LEDs, but I wonder if it reinforces all-or-nothing thinking, a type of cognitive distortion which can actually prevent people from establishing good habits shou...	1,760,374,339.371506
https://hackaday.com/2018/06/09/no-microcontroller-in-this-vending-machine-doh/	No Microcontroller In This Vending Machine, D’oh!	Steven Dufresne	[ "Misc Hacks" ]	[ "donut", "food", "food dispenser", "vending", "vending machine" ]	https://hackaday.com/wp-…ler_fe.jpg?w=800	You might think that a microcontroller would be needed to handle a vending machine’s logic. For one thing, only the correct change should activate them and the wrong change should be returned. If the correct change was detected then a button press should deliver the right food to the dispenser. But if you like puzzles...	28	11	[ { "comment_id": "4623753", "author": "Luke", "timestamp": "2018-06-09T17:42:46", "content": "Next thing is to defeat the old coin with a string trick", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4624323", "author": "Mark", "timestamp": "201...	1,760,374,339.308956
https://hackaday.com/2018/06/09/monotron-gets-all-the-mods/	Monotron Gets All The Mods	Adam Fabio	[ "Musical Hacks" ]	[ "CV/gate", "hack", "korg", "midi", "monotron" ]	https://hackaday.com/wp-…mono-1.png?w=800	[Harry Axten] turned the diminutive Korg Monotron into a playable analog synthesizer , complete with a full-sized keyboard spanning two octaves and a MIDI interface. Korg Introduced the Monotron analog mini-synthesizer back in 2010. They also dropped the schematics for the synth. Hackers wasted no time modifying and im...	3	3	[ { "comment_id": "4623402", "author": "MK 2", "timestamp": "2018-06-09T14:32:11", "content": "All the mods mounted on a separate board – now that is the kind of modification I like! Very nicely done", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4627974", "...	1,760,374,339.407896
https://hackaday.com/2018/06/09/restoring-an-atari-800-xl-thats-beyond-restoring/	Restoring An Atari 800 XL That’s Beyond Restoring	Tom Nardi	[ "classic hacks", "Repair Hacks", "Retrocomputing" ]	[ "atari 800xl", "cleaning", "PCB repair", "restoration" ]	https://hackaday.com/wp-…l_feat.jpg?w=800	Sometimes the best way to get a hacker to do something is to tell them that they shouldn’t, or even better can’t , do it. Nothing inspires the inquisitive mind quite like the idea that they are heading down the road less traveled, if for nothing else to say that they did it. A thrown gauntlet and caffeine is often all ...	24	11	[ { "comment_id": "4623150", "author": "Genki", "timestamp": "2018-06-09T11:37:15", "content": "That was a tough challenge. Reminded me of when someone salvaged a Game Gear out of trash. It had lots of corrosion:http://www.sega-16.com/forum/showthread.php?22763-Let-s-consolize-and-old-dirty-broken-Gam...	1,760,374,339.475449
https://hackaday.com/2018/06/09/arduino-analog-i-o-multiplexer/	Arduino Analog I/O Multiplexer	Al Williams	[ "Arduino Hacks" ]	[ "analog multipler", "analog mux", "megamux" ]	https://hackaday.com/wp-…06/mux.png?w=800	[SeanHodgins] has a project in mind where he needs to sample over 500 analog sensors. To get ready, he made a breakout board for 32-channel analog multiplexer device he wants to use. He put the project out on Hackaday.io and also has a video tutorial you can see below. There are five input pins to the chip which lets y...	15	8	[ { "comment_id": "4622886", "author": "frankbuss", "timestamp": "2018-06-09T08:43:29", "content": "The datasheet of the ADG732 says that the address pins are level sensitive. So you don’t need 8 digital IOs of an Arduino to control one of these chips, you can connect EN, WR and CS to GND, and then ju...	1,760,374,339.526358
https://hackaday.com/2018/06/08/vcf-east-2018-sdr-on-the-altair-8800/	VCF East 2018: SDR On The Altair 8800	Tom Nardi	[ "classic hacks", "cons", "Featured", "Radio Hacks", "Retrocomputing" ]	[ "altair 8800", "am", "bill gates", "radio", "VCF", "VCF East", "VCF East XIII" ]	https://hackaday.com/wp-…r_feat.jpg?w=800	You’d be forgiven if you thought software defined radio (SDR) was a relatively recent discovery. After all, few outside of the hardcore amateur radio circles were even familiar with the concept until it was discovered that cheap USB TV tuners could be used as fairly decent receivers from a few hundred MHz all the way u...	34	14	[ { "comment_id": "4620496", "author": "Ostracus", "timestamp": "2018-06-08T14:06:18", "content": "Wonder if it’s as much older electronics being noisier than say modern more efficient?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4620724", "author":...	1,760,374,339.601309
https://hackaday.com/2018/06/08/who-said-thermal-cameras-werent-accessible-to-the-masses/	Who Said Thermal Cameras Weren’t Accessible To The Masses?	Jenny List	[ "digital cameras hacks" ]	[ "AMG8833", "M5Stack", "thermal camera" ]	https://hackaday.com/wp-…atured.jpg?w=800	Thermal cameras hold an enduring fascination as well as being a useful tool for the engineer. After all, who wouldn’t want to point one at random things around the bench, laughing with glee at finding things warmer or colder than expected? But they’ve always been so expensive , and a lot of the efforts that have sought...	35	11	[ { "comment_id": "4620428", "author": "somebody", "timestamp": "2018-06-08T12:59:31", "content": "The AMG8833 is an 8×8 pixel sensor which is a good start. Upgrading to a MLX90640 32X24 pixel sensor ($45) would make it really nice –https://www.digikey.com/product-detail/en/melexis-technologies-nv/ML...	1,760,374,339.753788
https://hackaday.com/2018/06/08/space-invaders-sound-chip-went-old-school-with-i2l/	Space Invaders Sound Chip Went Old School With I2L	Steven Dufresne	[ "classic hacks", "Musical Hacks" ]	[ "76477", "ken shirriff", "space invaders" ]	https://hackaday.com/wp-…gic_cr.jpg?w=800	It must be everyone’s birthday today because [Ken Shirriff] has come out with a gift for us. He’s done another pass at reverse engineering the 76477 Space Invaders sound chip from the 1970s and found it’s full of integrated injection logic (I 2 L), making it a double treat: we get to explore the more of this chip which...	6	1	[ { "comment_id": "4620110", "author": "robelix", "timestamp": "2018-06-08T10:08:41", "content": "Does somebody know good resources like tools, howtos… for reversing doublesided pcbs?I’ve got an old desk calculator with nixie tubes from about 1970 and I would really like to get the secrets out of this...	1,760,374,340.314163
https://hackaday.com/2018/06/07/ambient-lighting-for-baby-with-the-esp8266/	Ambient Lighting For Baby With The ESP8266	Tom Nardi	[ "LED Hacks", "Microcontrollers" ]	[ "blynk", "dht22", "ESP8266", "voltage regulator", "ws2812" ]	https://hackaday.com/wp-…y_feat.jpg?w=800	There are plenty of great reasons to have a child. Perhaps you find the idea of being harshly criticized by a tiny person very appealing, or maybe you enjoy somebody screaming nonsense at you while you’re trying to work on something. But for us, we think the best reason for procreation is getting another excuse to buil...	16	12	[ { "comment_id": "4619528", "author": "spotonserendipity", "timestamp": "2018-06-08T05:25:13", "content": "this is pretty cool! I’m going to read more and see if it’s something I can do! You are awesome!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4619582", ...	1,760,374,339.975025
https://hackaday.com/2018/06/07/social-engineering-by-railways/	Social Engineering By Railways	Brian McEvoy	[ "Transportation Hacks" ]	[ "L train", "psychology", "rail", "railways", "social analytics", "social engineering", "sociology", "subway", "suicide prevention", "train", "transportation" ]	https://hackaday.com/wp-…tation.jpg?w=800	Where do you travel every day? Are there any subtle ploys to manipulate your behavior? Would you recognize them or are they just part of the location? Social engineering sometimes gets a bad rap (or is it rep?) in the mainstream, but the public-facing edge of that sword can keep order as it does in Japanese train stati...	29	9	[ { "comment_id": "4619480", "author": "TERRA Operative", "timestamp": "2018-06-08T04:50:51", "content": "For those who remember Astro Boy / Atom, Takodanobaba station on the Yamanote line (same line as shown in the header picture) has the theme music from the show as the train departure tone, being t...	1,760,374,340.456203
https://hackaday.com/2018/06/07/dive-inside-this-old-quartz-watch/	Dive Inside This Old Quartz Watch	Dan Maloney	[ "clock hacks", "Teardown" ]	[ "analog", "die", "h-bridge", "horology", "oscillator", "Quartz", "stepper", "teardown", "timepiece", "watch" ]	https://hackaday.com/wp-…505760.jpg?w=800	In an age of smartwatches, an analog watch might seem a little old-fashioned. Whether it’s powered by springs or a battery, though, the machinery that spins those little hands is pretty fascinating. Trouble is, taking one apart usually doesn’t reveal too much about their tiny workings, unless you get up close and perso...	15	7	[ { "comment_id": "4618934", "author": "Ostracus", "timestamp": "2018-06-08T00:37:40", "content": "“In an age of smartwatches, an analog watch might seem a little old-fashioned. ”Fun hobby, in a compact workspace.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": ...	1,760,374,340.269054
https://hackaday.com/2018/06/07/wifi-pool-controller-only-cost-20/	WiFi Pool Controller Only Cost $20	Al Williams	[ "Arduino Hacks", "Wireless Hacks" ]	[ "ESP8266", "mqtt", "optoisolator", "pool" ]	https://hackaday.com/wp-…6/pool.png?w=800	Pools have come a long way. It used to be you had a pump and if you were lucky it had a mechanical timer switch on it. That was it. Now you have digital controllers and spa jets and heaters. You can even get them that connect to your home automation system. If your pool isn’t new enough to do that already, you can get ...	26	10	[ { "comment_id": "4618173", "author": "Rogan Dawes", "timestamp": "2018-06-07T20:17:52", "content": "I actually also just added remote control to my pool, using a Sonoff 4CH pro. In my case, I have 3 devices I want to control. The pool pump itself, a water feature close to the pool, and the pool ligh...	1,760,374,340.109126
https://hackaday.com/2018/06/07/vaporwave-for-the-parallel-port/	Vaporwave For The Parallel Port	Brian Benchoff	[ "The Hackaday Prize" ]	[ "2018 Hackaday Prize", "ADLIB", "fm synthesis", "OPL2", "opl3", "sound card" ]	https://hackaday.com/wp-…atured.png?w=800	FM synthesis is the sound of the 1980s, it’s the sound of shopping malls and Macintosh Plus. It’s the sound of the Motorola DynaTAC, busts of Helios, and the sound of ｖａｐｏｒｗａｖｅ　サ閲ユ. The chips most responsible for this sound is the OPL2 and OPL3, tiny little FM synthesizers on a chip, produced by Yamaha, and the core of...	35	11	[ { "comment_id": "4617905", "author": "Doc Oct", "timestamp": "2018-06-07T18:33:01", "content": "“Already, [serdef]’s parallel port graphics card is a real”.. uh, parallel port Adlib card.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4618463", "auth...	1,760,374,340.047571
https://hackaday.com/2018/06/07/linux-fu-watch-that-filesystem/	Linux Fu: Watch That Filesystem	Al Williams	[ "Hackaday Columns", "how-to", "Linux Hacks" ]	[ "incron", "inotify", "Linux Fu" ]	https://hackaday.com/wp-…atured.jpg?w=800	The UNIX Way™ is to cobble together different, single-purpose programs to get the effect you want, for instance in a Bash script that you run by typing its name into the command line. But sometimes you want the system to react to changes in the system without your intervention. For example, you might like to watch a di...	31	15	[ { "comment_id": "4617672", "author": "Perry Harrington", "timestamp": "2018-06-07T17:08:56", "content": "It looks like something converted your backticks to single quotes in the inotifywait example. It’s better form to use $(command) instead of backticks, and it won’t get mutilated by your CMM.", ...	1,760,374,340.389792
https://hackaday.com/2018/06/07/building-a-knife-by-hand-is-just-as-hard-as-you-think/	Building A Knife By Hand Is Just As Hard As You Think	Tom Nardi	[ "Tool Hacks", "Weapons Hacks" ]	[ "handmade", "heat treating", "knife", "metalworking", "scales" ]	https://hackaday.com/wp-…e_feat.jpg?w=800	Carl Sagan once said: “If you wish to make an apple pie from scratch, you must first invent the universe.” In other words, the term “scratch” is really a relative sort of thing. Did you grow the apples? Did you plant the wheat to make the flour? Where do you keep your windmill, incidentally? With Carl’s words in mind, ...	47	15	[ { "comment_id": "4617531", "author": "gasjio", "timestamp": "2018-06-07T16:09:48", "content": "Why sharp tip though? This kind of knives is serously hazardous and can be used for murder. It’s much better to buy ones that by design can’t be used for stabbing others.", "parent_id": null, "dept...	1,760,374,340.542902
https://hackaday.com/2018/06/07/ask-hackaday-what-is-the-future-of-implanted-electronics/	Ask Hackaday: What Is The Future Of Implanted Electronics?	Brian Benchoff	[ "Ask Hackaday", "Interest", "Medical Hacks", "Original Art", "Security Hacks" ]	[ "Ask Hackaday", "cyborg", "rfid", "Wearables" ]	https://hackaday.com/wp-…lanted.jpg?w=800	Biohacking is the new frontier. In just a few years, millions of people will have implanted RFID chips under the skin between their thumb and index finger. Already, thousands of people in Sweden have chipped themselves to make their daily lives easier. With a tiny electronic implant, Swedish rail passengers can pay the...	139	33	[ { "comment_id": "4617150", "author": "Ren", "timestamp": "2018-06-07T14:08:39", "content": "“Is it because no one wants to be branded with the Mark of the Beast? ”Speaking (writing) only for myself, yes.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4617163...	1,760,374,340.719719
https://hackaday.com/2018/06/07/indiegogo-calls-time-on-the-zx-vega/	Indiegogo Calls Time On The ZX Vega	Jenny List	[ "News", "Retrocomputing" ]	[ "crowdfunding", "indiegogo", "sinclair", "spectrum", "Vega", "ZX Spectrum", "ZX Vega" ]	https://hackaday.com/wp-…atured.jpg?w=800	It has been an exciting time to be a retro computer enthusiast in recent years, and the availability of affordable single board computers, systems-on-chip, and FPGAs have meant that retro hardware could be accurately reproduced or emulated. A host of classic micros have been reborn, to delight both the veterans who had...	15	7	[ { "comment_id": "4616849", "author": "Lee", "timestamp": "2018-06-07T11:28:08", "content": "This could be a viable option to someone with excellent hacking skills:https://www.youtube.com/watch?v=Pfc031OlED8", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4616...	1,760,374,340.772503
https://hackaday.com/2018/06/07/battleships-over-bgp/	Battleships Over BGP	Richard Baguley	[ "internet hacks" ]	[ "bgp" ]	https://hackaday.com/wp-…yqzj7e.gif?w=685	The Border Gateway Protocol (BGP) is one of the foundations of the internet. It’s how the big routers that shift data around the Internet talk to each other, passing info on where they can send data to . It’s a simple protocol, with each router sending text messages that advertise the routes that they carry. The admini...	14	8	[ { "comment_id": "4616426", "author": "Gregg Eshelman", "timestamp": "2018-06-07T08:21:25", "content": "“You sunk my Battlerouter!”", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4616572", "author": "schlem", "timestamp": "2018-06-07T09:42:57"...	1,760,374,340.825195
https://hackaday.com/2018/06/06/pocket-projector-uses-raspberry-pi/	Pocket Projector Uses Raspberry Pi	Al Williams	[ "Raspberry Pi" ]	[ "dlp", "DLP2000EVM", "raspberry pi" ]	https://hackaday.com/wp-…6/proj.png?w=800	Who doesn’t want a pocket protector projector ? Nothing will impress a date more than being able to whip out a PowerPoint presentation of your latest trip to the comic book convention. The key to [MickMake] build is the $100 DLP2000EVM evaluation module from Texas Instruments. This is an inexpensive light engine, and p...	51	9	[ { "comment_id": "4616111", "author": "derFrickler", "timestamp": "2018-06-07T05:26:47", "content": "Nice Project.Bought an Ecsee 130 some time ago for ~$100 from Bangood:https://www.banggood.com/ECsee-ES130-Mini-DLP-Projector-HDMI-Portable-Home-Theater-Multimedia-Beamer-1080P-p-1004076.htmlUses the ...	1,760,374,341.076706
https://hackaday.com/2018/06/06/mechanisms-abrasives/	Mechanisms: Abrasives	Dan Maloney	[ "Hackaday Columns", "Tool Hacks" ]	[ "abrade", "abrasive", "aluminum dioxide", "ceramic", "grinding", "grit", "machining", "Mechanisms", "resin", "sandpaper" ]	https://hackaday.com/wp-…412375.jpg?w=800	In our “Mechanisms” series, we’ve featured the fascinating bits and pieces that go into making our mechanical world work. From simple machines such as screws and levers , from springs to couplings , and even more complex mechanisms like zippers and solenoids , we’ve covered the gamut. But we haven’t talked about one of...	24	6	[ { "comment_id": "4614125", "author": "Thinkerer", "timestamp": "2018-06-06T14:19:58", "content": "“it’s hard to even scratch the surface of abrasives.” I saw what you did there.Also, for the love of, well, yourself, please use the safety guard if you’re playing with cutoff wheels on your angle gr...	1,760,374,340.926524
https://hackaday.com/2018/06/06/cracking-the-case-of-capcoms-cps2-security/	Cracking The Case Of Capcom’s CPS2 Security	Tom Nardi	[ "classic hacks", "Games", "Security Hacks" ]	[ "Capcom", "CPS2", "decapping", "reverse engineering", "security" ]	https://hackaday.com/wp-…2_feat.jpg?w=800	We love a good deep-dive on a specialized piece of technology, the more obscure the better. You’re getting a sneak peek into a world that, by rights, you were never meant to know even existed. A handful of people developed the system, and as far as they knew, nobody would ever come through to analyze and investigate it...	19	5	[ { "comment_id": "4613818", "author": "ejonesss", "timestamp": "2018-06-06T11:27:14", "content": "why dont they go to capcom to get the info?if the hacking is being done as part of hame preservation society then capcom should be happy to allow it.unless capcom or who ever bought out capcom intends to...	1,760,374,341.147557
https://hackaday.com/2018/06/06/homebrew-sdr-ham-radio-in-9-parts/	Homebrew SDR Ham Radio In 9 Parts	Al Williams	[ "Wireless Hacks" ]	[ "ham radio", "ne612", "sdr", "SI5351", "software-defined radio", "Teensy" ]	https://hackaday.com/wp-…05/sdr.png?w=800	It used to be homebrew ham gear meant something simple. A couple of active devices that could send CW. Maybe a receiver with a VFO. But only the most advanced builders could tackle a wide range SSB transceiver. Today, that goal is still not trivial, but it is way easier due to specialty ICs, ready access to high-speed ...	31	8	[ { "comment_id": "4613728", "author": "ian", "timestamp": "2018-06-06T10:23:40", "content": "I have always heard from sailors that marine SSB transceivers are incredibly expensive. Maybe projects like this will help bring down the cost of operating SSB on small sailboats.", "parent_id": null, ...	1,760,374,340.993622
https://hackaday.com/2018/06/05/cat-compels-raspberry-pi-flight-tracker/	Cat Compels Raspberry Pi Flight Tracker	Al Williams	[ "Radio Hacks", "Raspberry Pi" ]	[ "ads-b", "dump1090", "flight tracker", "kafka", "kibana", "RTL-SDR" ]	https://hackaday.com/wp-…atured.jpg?w=800	[Simon Aubury] owns a cat. Or perhaps it is the other way around, we can never really tell. One morning around 6AM, the cat — we don’t know its name — heard a low-flying aircraft and to signal its displeasure at the event, decided to jump onto [Simon’s] face as he slept. Thanks to the well-known mind control abilities ...	11	7	[ { "comment_id": "4613589", "author": "Cat", "timestamp": "2018-06-06T09:13:18", "content": "Cat.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4613888", "author": "ArturH", "timestamp": "2018-06-06T12:03:56", "content": "CAT5 or even...	1,760,374,341.510476
https://hackaday.com/2018/06/05/smart-citizen-opens-eyes-and-ears-in-barcelona/	Smart Citizen Opens Eyes And Ears In Barcelona	Tom Nardi	[ "green hacks", "Science" ]	[ "arduino", "environmental monitoring", "sensor", "smart citizen" ]	https://hackaday.com/wp-…c_feat.jpg?w=800	More often than not, our coverage of projects here at Hackaday tends to be one-off sort of thing. We find something interesting, write it up for our beloved readers, and keep it moving. There’s an unending world of hacks and creations out there, and not a lot of time to cover them all. Still, it’s nice when we occasion...	26	8	[ { "comment_id": "4612821", "author": "Olsen", "timestamp": "2018-06-06T03:01:27", "content": "Wait, microphones in public places, don’t we have that already?", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4613083", "author": "Miles", "timestamp": "2018...	1,760,374,341.746458
https://hackaday.com/2018/06/05/magnetic-spheres-line-up-for-rotary-encoder-duty/	Magnetic Spheres Line Up For Rotary Encoder Duty	Dan Maloney	[ "hardware", "Misc Hacks" ]	[ "encoder", "hall effect", "magnet", "quadrate", "ring magnet", "TetraMag", "US1881" ]	https://hackaday.com/wp-…670831.jpg?w=800	When it comes to rotary encoders, there are plenty of options. Most of them involve putting a credit card number into an online vendor’s website, though, and that’s sometimes just not in the cards. In that case building your own, like this encoder using magnetic spheres , is a pretty cool way to go too. If he’d had les...	21	7	[ { "comment_id": "4612591", "author": "Lord Nothing", "timestamp": "2018-06-06T01:26:02", "content": "i modeled me an encoder housing that only used 8 magnets. short of splurging to get smaller magnets so i can pack them in tighter, though the size of the sensors likely limits how small i can go (not...	1,760,374,341.619208
https://hackaday.com/2018/06/05/lightning-generator-from-electric-lighter/	Lightning Generator From Electric Lighter	Bryan Cockfield	[ "Science" ]	[ "generator", "high voltage", "lightning", "marx", "multiplier", "spark", "voltage" ]	https://hackaday.com/wp-…-07-42.png?w=800	Generating high voltages isn’t too hard. A decent transformer will easily get you into the 100s of kilovolts, provided you’re a power company and have access to millions of dollars and a substation to put it. If you want to go above that then things start getting difficult, and most tend to look in other places for hig...	16	7	[ { "comment_id": "4611807", "author": "ItsThatIdiotAgain", "timestamp": "2018-06-05T20:24:40", "content": "Generating 100s of kV is not that hard, containing it and playing safely with it is the difficult bit. Give yourself a few whacks with that contraption and you will perhaps think you can survive...	1,760,374,341.563591
https://hackaday.com/2018/06/06/stars-looking-a-bit-dim-throw-some-math-at-them/	Stars Looking A Bit Dim? Throw Some Math At Them.	Tom Nardi	[ "digital cameras hacks", "Software Hacks", "Space" ]	[ "astrophotography", "constellations", "image processing", "star tracking" ]	https://hackaday.com/wp-…h_feat.png?w=800	As the cost of high-resolution images sensors gets lower, and the availability of small and cheap single board computers skyrockets, we are starting to see more astrophotography projects than ever before. When you can put a $5 Raspberry Pi Zero and a decent webcam outside in a box to take autonomous pictures of the sky...	16	7	[ { "comment_id": "4615907", "author": "Joel", "timestamp": "2018-06-07T03:05:16", "content": "Cool, maybe they can find a gray-scale CCD sensor (without color tile upscaling algorithms), and add a mechanical shutter to capture blank-screen samples before and after actual image exposure for Flat-field...	1,760,374,341.679977
https://hackaday.com/2018/06/06/classifying-crystals-with-an-sdr-dongle/	Classifying Crystals With An SDR Dongle	Dan Maloney	[ "Radio Hacks" ]	[ "amateur", "colpitts", "crystal", "dongle", "filter", "ham", "intermediate frequency", "Quartz", "RTL-SDR", "sdr", "single-sideband", "ssb", "transciever" ]	https://hackaday.com/wp-…471703.png?w=799	When it comes to radio frequency oscillators, crystal controlled is the way to go when you want frequency precision. But not every slab of quartz in a tiny silver case is created equal, so crystals need to be characterized before using them. That’s generally a job for an oscilloscope, but if you’re clever, an SDR dongl...	4	2	[ { "comment_id": "4615965", "author": "Alan", "timestamp": "2018-06-07T03:41:53", "content": "As per the Jenny List article: “One of the capacitors may sometimes have a small variable capacitor in parallel, allowing very small frequency adjustments to be made”While a simple oscillator is great,I was ...	1,760,374,341.786216
https://hackaday.com/2018/06/06/roll-a-black-box-for-your-wheels/	Roll A Black Box For Your Wheels	Kristina Panos	[ "Arduino Hacks", "car hacks" ]	[ "arduino mega", "black box", "bluetooth", "gps", "odb-ii", "telematics", "telemetrics" ]	https://hackaday.com/wp-…ox-800.png?w=800	Telemetric devices for vehicles, better known as black boxes, cracked the consumer scene 25 years ago with the premiere of OnStar. These days, you can get one for free from your insurance company if you want to try your luck at the discounts for safe driving game. But what if you wanted a black box just to mess around ...	22	4	[ { "comment_id": "4614922", "author": "Joel B", "timestamp": "2018-06-06T20:19:40", "content": "I like the idea. One thing that could be interesting to compute in there is fuel economy. For cars that have ODBII, but aren’t that new, you don’t get a fancy display of real-time (or near real-time) fue...	1,760,374,342.066219
https://hackaday.com/2018/06/06/32-shades-of-gray/	32 Shades Of Gray	Brian Benchoff	[ "ATtiny Hacks", "The Hackaday Prize" ]	[ "2018 Hackaday Prize", "attiny", "ntsc" ]	https://hackaday.com/wp-…6/gray.jpg?w=800	The ATtiny85 is an incredible piece of engineering. In just eight pins, you get a microcontroller with just enough oomph to do some really heavy lifting. You get an Open Source toolchain, and if you’re really good, you can build your own programmer. It does have its limits though; there isn’t a whole lot of Flash, and ...	16	6	[ { "comment_id": "4614748", "author": "bty", "timestamp": "2018-06-06T18:38:41", "content": "The 512 bytes of SRAM was probably a bigger challenge than the flash size for this project, of which the ATTiny85 has 8kB, which is actually huge imo.", "parent_id": null, "depth": 1, "replies": [...	1,760,374,341.838846
https://hackaday.com/2018/06/06/the-hacky-throttle-repair-that-got-me-on-the-road-again/	The Hacky Throttle Repair That Got Me On The Road Again	Lewin Day	[ "car hacks", "Featured", "Interest", "Original Art", "Repair Hacks", "Slider" ]	[ "car", "car repair", "junkyard", "repair", "throttle", "throttle linkage", "turbo", "volvo", "wreckers", "wrecking yard" ]	https://hackaday.com/wp-…rottle.jpg?w=800	Old cars are great. For the nostalgia-obsessed like myself, getting into an old car is like sitting in a living, breathing representation of another time. They also happen to come with their fair share of problems. As the owner of two cars which are nearing their 30th birthdays, you start to face issues that you’d neve...	82	29	[ { "comment_id": "4614455", "author": "CityZen", "timestamp": "2018-06-06T17:16:24", "content": "How did you manage to take a picture of the linkage that went missing?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4614819", "author": "Miroslav", ...	1,760,374,342.008773
https://hackaday.com/2018/06/06/friday-hack-chat-hacking-the-wild/	Friday Hack Chat: Hacking The Wild	Brian Benchoff	[ "Hackaday Columns" ]	[ "conference", "Digital naturalism", "Dinacon", "Hack Chat" ]	https://hackaday.com/wp-…header.png?w=800	It’s nearly summer, and that means we’re right at the start of conference season, at least for the tech and netsec crowd. Conferences, if you’re not aware, are a conspiracy for the hotel-industrial complex and a terrible way to spend thousands of dollars on a crappy hotel room and twenty-five dollar hamburgers. [Andrew...	9	5	[ { "comment_id": "4614335", "author": "Ren", "timestamp": "2018-06-06T16:12:22", "content": "“Conferences, if you’re not aware, are a conspiracy for the hotel-industrial complex and a terrible way to spend thousands of dollars on a crappy hotel room and twenty-five dollar hamburgers.”That could be ch...	1,760,374,341.889619
https://hackaday.com/2018/06/06/illuminated-bread-for-a-cookie-cutter-world/	Illuminated Bread For A Cookie Cutter World	Tom Nardi	[ "cooking hacks", "LED Hacks" ]	[ "bandsaw", "bread", "led strip", "rotary tool", "woodworking" ]	https://hackaday.com/wp-…t_feat.jpg?w=800	Just in case you thought your eyes were playing tricks on you, we’d like to confirm right from the start that what you are looking at is a loaf of bread with internal LED lighting. Why has this bread been internally lit? We can’t really say. But what we can do is pass on the fascinating process that took an unremarkabl...	14	10	[ { "comment_id": "4614218", "author": "werecatf", "timestamp": "2018-06-06T15:15:58", "content": "Well, this just goes to prove that dumb and awesome are not mutually exclusive qualities.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4614234", "author": ...	1,760,374,342.148805
https://hackaday.com/2018/06/05/hacked-rc-transmitters-control-all-the-things/	Hacked RC Transmitters Control All The Things	Ben James	[ "Radio Hacks", "The Hackaday Prize" ]	[ "2018 Hackaday Prize", "crazyflie", "CRTP", "nRF24L01+", "rc", "rudremote", "Teensy", "transmitter" ]	https://hackaday.com/wp-…ured11.jpg?w=800	If you have lots of RC creations about, each with their own receiver, you’ll know that the cost of a new one for each project can quickly mount up – despite RC receivers being pretty cheap these days. What if you could use a NRF24L01+ module costing less than $3? That’s just what [Rudolph] has done for his Hackaday Pri...	3	3	[ { "comment_id": "4612351", "author": "Xeon", "timestamp": "2018-06-05T23:46:41", "content": "You beat me to it,i was literally busy building this,well done,", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4613050", "author": "Doug", "timestamp": "2018-0...	1,760,374,342.21673
https://hackaday.com/2018/06/05/ted-dabney-atari-and-the-video-game-revolution/	Ted Dabney, Atari, And The Video Game Revolution	Dan Maloney	[ "Biography", "Hackaday Columns", "News", "Original Art" ]	[ "atari", "biography", "pong", "ted dabnet", "video games" ]	https://hackaday.com/wp-…dabney.jpg?w=800	It may be hard for those raised on cinematic video games to conceive of the wonder of watching a plain white dot tracing across a black screen, reflecting off walls and bounced by a little paddle that responded instantly to the twist of a wrist. But there was a time when Pong was all we had, and it was fascinating. Peo...	29	14	[ { "comment_id": "4611474", "author": "Michael Monteith", "timestamp": "2018-06-05T17:18:06", "content": "Born in the early 60s I was fascinated with computers when I was a teen. Even those were crude then. I got to see electronics and gaming go from rudimentary to what it is today. It’s hard to ...	1,760,374,342.286446
https://hackaday.com/2018/06/05/drifting-instrument-presents-opportunity-to-learn-about-crystal-oscillators/	Drifting Instrument Presents Opportunity To Learn About Crystal Oscillators	Dan Maloney	[ "Repair Hacks", "Teardown" ]	[ "calibration", "counter", "crystal", "frequency", "ocxo", "standard", "TCXO", "temperature-compensated crystal oscillator", "trimmer" ]	https://hackaday.com/wp-…091950.png?w=800	Sure, we all love fixing stuff, but there’s often a fine line between something that’s worth repairing and something that’s cheaper in the long run to just replace. That line gets blurred, though, when there’s something to be learned from a repair. This wonky temperature-compensated crystal oscillator is a good example...	11	4	[ { "comment_id": "4611491", "author": "Doc", "timestamp": "2018-06-05T17:35:54", "content": "ALL crystals drift as they age. All go faster with time. This is true even on deluxe dewars flask ovenized models.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4611...	1,760,374,343.977506
https://hackaday.com/2018/06/05/pipelining-digital-logic-in-fpgas/	Pipelining Digital Logic In FPGAs	Al Williams	[ "Engineering", "Featured", "FPGA", "Skills" ]	[ "CPU architecture", "fpga", "pipeline", "verilog" ]	https://hackaday.com/wp-…atured.jpg?w=800	When you first learn about digital logic, it probably seems like it is easy. You learn about AND and OR gates and figure that’s not very hard. However, going from a few basic gates to something like a CPU or another complex system is a whole different story. It is like going from “Hello World!” to writing an operating ...	11	6	[ { "comment_id": "4612224", "author": "Darren", "timestamp": "2018-06-05T22:56:57", "content": "The Intel Prescott P4 had 31 pipeline stages. They were able to bump the clock speed which was good for marketing but not much else.", "parent_id": null, "depth": 1, "replies": [] }, { ...	1,760,374,344.686606
https://hackaday.com/2018/06/05/microsoft-confirms-github-acquisition/	Microsoft Confirms GitHub Acquisition	Ben James	[ "News" ]	[ "acquisition", "github", "gitlab", "merge", "microsoft", "news" ]	https://hackaday.com/wp-…tured2.png?w=800	After recent talks, Microsoft has now officially confirmed that it will be merging GitHub to master. The acquisition will cost $7.5 billion, and has received mixed reactions so far. A staple of the open source community, GitHub is well known to Hackaday readers, and has played a key role in developing an incredible amo...	125	35	[ { "comment_id": "4610986", "author": "Mark", "timestamp": "2018-06-05T11:20:43", "content": "Why do people believe M$ “we love open source” propaganda?They’re still big patent trolls and don’t seem to be changing anything about that at all.", "parent_id": null, "depth": 1, "replies": [ ...	1,760,374,344.404258
https://hackaday.com/2018/06/05/sonoff-postmortem-finds-bugs-literally/	Sonoff Postmortem Finds Bugs, Literally	Tom Nardi	[ "hardware" ]	[ "bugs", "electrocution", "failure", "short", "sonoff" ]	https://hackaday.com/wp-…g_feat.jpg?w=800	While nobody is exactly sure on the exact etymology of the term, Thomas Edison mentioned some of his inventions being riddled with “bugs” in a letter he wrote all the way back to 1878. In the context of computers, any loyal Hackaday reader should know Grace Hopper’s infamous account of a moth being caught in an early e...	48	25	[ { "comment_id": "4610597", "author": "shifttymike", "timestamp": "2018-06-05T08:26:56", "content": "something something milliants ¯\\_(ツ)_/¯", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "8042526", "author": "Leans", "timestamp": "2024-09-22T...	1,760,374,344.536381
https://hackaday.com/2018/06/04/pocket-size-pi-zero-desktop-features-e-paper-display/	Pocket-size Pi Zero Desktop Features E-paper Display	Tom Nardi	[ "handhelds hacks", "Raspberry Pi" ]	[ "3D printed enclosure", "e-paper display", "gpio", "pi zero" ]	https://hackaday.com/wp-…i_feat.jpg?w=800	[Ramin Assadollahi] uses his Raspberry Pi Zero W as a self-contained mobile desktop, connecting to it over VNC from another computer when he wants to hack away at some code or work on a new project. But he often found himself wishing there was some convenient way of displaying pertinent into right on the device, such a...	28	7	[ { "comment_id": "4610292", "author": "Mike Massen", "timestamp": "2018-06-05T05:11:35", "content": "Interesting post thanks Tom Nardi especially as I imagine these types of displays could well have a far wider market with tighter integrations across many fields. Keen to see more of these approaches,...	1,760,374,344.148614
https://hackaday.com/2018/06/04/gps-disciplined-oscillators/	GPS Disciplined Oscillators	Al Williams	[ "Tool Hacks" ]	[ "gps", "gps disciplined oscillator", "GPS standard", "oscillator" ]	https://hackaday.com/wp-…05/gps.png?w=800	[Martin Lorton] acquired a GPS-disciplined oscillator. He wasn’t quite sure what to do with it, so he did a little research and experimentation. If you have about two hours to spare, you can watch his videos where he shares his results (see below). The unit he mainly looks at is a Symmetricom TrueTime XL-DC, and even o...	11	5	[ { "comment_id": "4609907", "author": "Ted Yapo", "timestamp": "2018-06-05T02:16:57", "content": "The link for this blog page is broken, as is the link from the blog itself.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4609914", "author": "Al Willia...	1,760,374,344.45148
https://hackaday.com/2018/06/04/reverse-engineered-media-controller-from-car-is-best-friends-with-android/	Reverse Engineered Media Controller From Car Is Best Friends With Android	Ben James	[ "Android Hacks", "car hacks" ]	[ "android", "can-bus", "car", "controller", "hid", "stm32", "usb otg" ]	https://hackaday.com/wp-…atured.jpg?w=800	The CAN bus is a rich vein to mine for a hacker: allowing the electronic elements of most current vehicles to be re-purposed and controlled with ease. [MikrocontrollerProjekte] has reverse engineered a CAN bus media and navigation controller and connected it to an STM32F746G-Discovery board. The STM32 is in turn connec...	17	7	[ { "comment_id": "4610323", "author": "Adjustinthings", "timestamp": "2018-06-05T05:26:49", "content": "I like the elegant test bench. I can’t say enough about the importance of cleanliness and organization when testing and prototyping. Its something I only got in to after many years and wish i wou...	1,760,374,344.203303
https://hackaday.com/2018/06/04/tesla-model-3-battery-pack-teardown/	Tesla Model 3 Battery Pack Teardown	Tom Nardi	[ "car hacks", "green hacks", "Transportation Hacks" ]	[ "battery", "DC/DC converter", "tesla", "Tesla Model 3" ]	https://hackaday.com/wp-…3_feat.jpg?w=800	The Tesla Model 3 has been available for almost a year now, and hackers and tinkerers all over the world are eager to dig into Elon’s latest ride to see what makes it tick. But while it’s considerably cheaper than the Model S that came before it, the $35,000+ USD price tag on the new Tesla is still a bit too high to bu...	53	14	[ { "comment_id": "4609496", "author": "Joel B", "timestamp": "2018-06-04T20:26:56", "content": "Any idea why the circular thing on the circuit board in the photo? It seems strange to see such a large area unpopulated by components. There must be some reason for that.Also, does the Model 3 have a se...	1,760,374,344.631898
https://hackaday.com/2018/06/04/robot-dances-to-the-beat-of-new-youtube-subs/	Robot Dances To The Beat Of New YouTube Subs	Kristina Panos	[ "The Hackaday Prize" ]	[ "2018 Hackaday Prize", "9G servo", "arduino nano", "dancing robot", "robot", "subscribers", "Visual Basic", "youtube" ]	https://hackaday.com/wp-…by-800.png?w=800	Sure, you could build some kind of numerical counter to keep track of new YouTube subscribers. But does an increasing digit display truly convey the importance of such an event? Of course not. What you need is something that recognizes this achievement for what it is and celebrates it with you. Something like Subby, th...	8	6	[ { "comment_id": "4609404", "author": "rasz_pl", "timestamp": "2018-06-04T19:11:28", "content": "yes, but is it racist?https://www.youtube.com/watch?v=bJ5ppf0po3k", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4609410", "author": "Ren", "timestamp": "20...	1,760,374,344.250234
https://hackaday.com/2018/06/04/preparing-for-a-lathe/	Preparing For A Lathe: How To Move 3000 Pounds Of Iron	Quinn Dunki	[ "Featured", "Interest", "Slider", "Tool Hacks" ]	[ "how to move heavy equipment", "lathe", "machine tools", "winch" ]	https://hackaday.com/wp-…rchase.jpg?w=800	You say to yourself, “Self, I want, nay, need a lathe”. Being a good little trooper, you then did all your research, having chosen Import or American , Imperial or Metric , and all your feed options and such. You then pulled the trigger and the machine is en route to your shop. Now what? Choosing a Spot for a Serious T...	91	30	[ { "comment_id": "4609238", "author": "Ren", "timestamp": "2018-06-04T17:07:29", "content": "Just curious, do you have 3 phase in your shop?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4609314", "author": "Internet", "timestamp": "2018-06-0...	1,760,374,344.815321
https://hackaday.com/2018/06/04/power-harvesting-challenge-scavenge-some-power-win-prizes/	Power Harvesting Challenge: Scavenge Some Power, Win Prizes	Mike Szczys	[ "Hackaday Columns", "Original Art", "Slider", "The Hackaday Prize" ]	[ "2018 Hackaday Prize", "Power Harvesting", "Power Harvesting Challenge" ]	https://hackaday.com/wp-…esting.jpg?w=800	It’s a brand new day as the Power Harvesting Challenge begins . This is the newest part of the 2018 Hackaday Prize and we’re looking for 20 entries who will each receive $1,000 and move onto the finals to compete for the top five spots, scoring cash prizes of $50k, $25k, $15k, $10k, and $5k. Put simply, Power Harvestin...	26	12	[ { "comment_id": "4609139", "author": "Ostracus", "timestamp": "2018-06-04T16:08:40", "content": "“Put simply, Power Harvesting is anything you can do that will pull some of the energy you need from a source other than wall-power or traditional battery tech.”Bioelectricity. Nickel-63.", "parent_i...	1,760,374,344.88133
https://hackaday.com/2018/06/04/a-canon-lens-adapter-for-the-game-boy-camera/	A Canon Lens Adapter For The Game Boy Camera	Eric Evenchick	[ "Nintendo Game Boy Hacks" ]	[ "3d printing", "canon", "gameboy camera", "lens", "photography" ]	https://hackaday.com/wp-…c-lens.jpg?w=800	Released in 1998, the Game Boy camera was a bit ahead of its time. This specialized Game Boy cartridge featured a 128×128 pixel CMOS sensor and took 4-color greyscale photos. The camera even rotated, allowing for selfies years before that word existed. The fixed lens on this camera meant no zoom was possible. [Bastiaan...	31	11	[ { "comment_id": "4609046", "author": "dahud", "timestamp": "2018-06-04T15:23:36", "content": "I’ve never heard of Rhino 3D, but I’m always game to learn new tools. Does anyone have any thoughts for or against Rhino?", "parent_id": null, "depth": 1, "replies": [ { "comment_i...	1,760,374,345.414676
https://hackaday.com/2018/06/04/a-100th-birthday-celebration-for-the-flip-flop/	A 100th Birthday Celebration For The Flip Flop	Dan Maloney	[ "classic hacks", "Engineering", "Featured", "History", "Slider" ]	[ "astable", "Bistable", "flip-flop", "inverter", "JK", "monostable", "multivibrator", "oscillator", "SR", "triode" ]	https://hackaday.com/wp-…46512.jpeg?w=800	It’s easy to get caught up in the excitement of creation as we’re building our latest widget. By the same token, it’s sometimes difficult to fully appreciate just how old some of the circuits we use are. Even the simplest of projects might make use of elements that were once a mess on some physicist’s or engineer’s lab...	27	12	[ { "comment_id": "4608992", "author": "Bob", "timestamp": "2018-06-04T14:43:01", "content": "Google should have a doodle to commemorate the day.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4609003", "author": "schlem", "timestamp": "2018-06...	1,760,374,345.987589
https://hackaday.com/2018/06/04/teddy-ruxpin-navigate-to-143-main-street/	Teddy Ruxpin: Navigate To 143 Main Street	Al Williams	[ "Android Hacks", "Arduino Hacks" ]	[ "arduino", "google assistant", "teddy ruxpin" ]	https://hackaday.com/wp-…05/rux.png?w=800	In the United States, TV and radio stations have to give the opportunity of equal airtime to all candidates. In that spirit, we thought we should show you [Jayden17’s] hack that puts Google Assistant into a Teddy Ruxpin . You can see the hacked bear do its thing in the video below. Teddy was the best-selling toy for 19...	15	7	[ { "comment_id": "4608686", "author": "eccentricelectron", "timestamp": "2018-06-04T12:13:59", "content": "I don’t understand the reference to electoral candidates at all…?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4608881", "author": "Al William...	1,760,374,345.697237
https://hackaday.com/2018/06/04/deploying-a-turnkey-raspberry-pi-system/	Deploying A Turnkey Raspberry Pi System	Al Williams	[ "Raspberry Pi" ]	[ "access point", "raspberry pi", "wifi", "wifi configuration" ]	https://hackaday.com/wp-…atured.jpg?w=800	If you only do projects for yourself, you are spoiled. After all, you know your environment better than anyone. You know what power you’ll have, the temperature range, and how your network is configured. This last part is especially problematic if you are trying to deploy something that connects to a wireless LAN. How ...	35	11	[ { "comment_id": "4608324", "author": "moosepr", "timestamp": "2018-06-04T08:24:35", "content": "I actually had a similar idea for my TinyPi project. You could host a simple webpage that allowed the connection to the wifi, but also the pairing of Bluetooth devices, which is tricky on tiny screens", ...	1,760,374,345.872998
https://hackaday.com/2018/06/03/slow-cooking-filament/	Slow Cooking Filament	Al Williams	[ "3d Printer hacks" ]	[ "3d printer filament", "3d printing", "filament", "filament drying" ]	https://hackaday.com/wp-…/crock.png?w=800	Getting good results from a 3D printer is like Goldilocks’ porridge. There are a lot of things that have to be just right. One common thing that gives people poor results is damp filament. This is especially insidious because the printer will work fine and then after some period time results degrade but it is no fault ...	29	16	[ { "comment_id": "4608148", "author": "Texpat", "timestamp": "2018-06-04T06:17:06", "content": "If you don’t have access to a vacuum pump, another alternative would be to store / dry filament in an enclosure with a nitrogen purge (N2 tank + regulator). Nitrogen from a gas supplier should have an ext...	1,760,374,346.048547
https://hackaday.com/2018/06/03/its-unix-on-a-microcontroller/	It’s UNIX. On A Microcontroller.	Jenny List	[ "computer hacks", "Microcontrollers", "Slider" ]	[ "microcontroller", "stm32", "unix" ]	https://hackaday.com/wp-…atured.jpg?w=800	It’s difficult to convey in an era when a UNIX-like operating system sits in your pocket, how there was once a time when the mere word was enough to convey an aura of immense computing power. If you ran UNIX, your computer probably filled a room, and you used it for Serious Stuff rather than just checking your Twitter ...	70	16	[ { "comment_id": "4607449", "author": "Ostracus", "timestamp": "2018-06-04T02:27:52", "content": "” If you ran UNIX, your computer probably filled a room, and you used it for Serious Stuff rather than just checking your Twitter feed. ”What’s Twitter running on now? DOS?", "parent_id": null, "...	1,760,374,345.79878
https://hackaday.com/2018/06/03/hackaday-links-june-3-2018/	Hackaday Links: June 3, 2018	Brian Benchoff	[ "News" ]	[ "books you should read", "bug", "crypto", "cryptocurrency", "cryptography", "eink", "Elon Musk", "motherboard", "radio shack" ]	https://hackaday.com/wp-…banner.jpg?w=800	All the Radio Shacks are dead. adioS, or something. But wait, what’s this? There are new Radio Shacks opening. Here’s one in Idaho , and here’s another in Claremore, Oklahoma . This isn’t like the ‘Blockbuster Video in Nome, Alaska’ that clings on by virtue of being so remote; Claremore isn’t that far from Tulsa, and t...	26	11	[ { "comment_id": "4606894", "author": "Jon H", "timestamp": "2018-06-03T23:08:04", "content": "Re: Radio ShackI think it’s a branded line of products that will be carried by various retail shops. In Connecticut there is a PC repair and services shop that Radio Shack lists as being an upcoming locatio...	1,760,374,345.64054
https://hackaday.com/2018/06/03/turning-that-old-hoverboard-into-a-learning-platform/	Turning That Old Hoverboard Into A Learning Platform	Anool Mahidharia	[ "Robots Hacks", "The Hackaday Prize" ]	[ "2018 Hackaday Prize", "hoverboard", "ikea", "javascript", "node", "node.js", "NPM", "raspberry pi", "robot", "Self-balancing scooters", "STM32F103", "Teleoperation", "ultrasonic sensor", "ultrasonic transducer" ]	https://hackaday.com/wp-…bot_02.png?w=800	[Isabelle Simova] is building Hoverbot , a flexible robotics platform using Ikea plastic trays, JavaScript running on a Raspberry Pi and parts scavenged from commonly available hoverboards. Self-balancing scooters a.k.a. Hoverboards are a great source of parts for such a project. Their high torque, direct drive brushle...	0	0	[]	1,760,374,345.454053
https://hackaday.com/2018/06/03/3d-printed-clockwork-star-tracker/	3D Printed Clockwork Star Tracker	Tom Nardi	[ "clock hacks", "digital cameras hacks", "Space" ]	[ "astrophotography", "GoPro", "space", "stars", "timelapse" ]	https://hackaday.com/wp-…atured.jpg?w=800	Astrophotography is one of those things you naturally assume must be pretty difficult; surely something so awesome requires years of practice and specialized equipment which costs as much as your car. You shake your fist at the sky (since you have given up on taking pictures of it), and move on with your life. Another ...	8	5	[ { "comment_id": "4605992", "author": "AMS", "timestamp": "2018-06-03T18:03:10", "content": "Just a note if someone is going on the some-steppers-and-an-MCU version. You should turn it according to Sidereal time rather than 24hrs. That way you are turning with the sky rather than with the sun.", ...	1,760,374,345.918531
https://hackaday.com/2018/06/03/6-weather-station-goes-where-you-do/	$6 Weather Station Goes Where You Do	Al Williams	[ "Arduino Hacks", "Microcontrollers" ]	[ "Cayenne", "ESP8266", "weather" ]	https://hackaday.com/wp-…/05/wx.png?w=800	We admit, we see a lot of weather stations. What makes [Mike Diamond’s] take on this old favorite interesting is that it is tiny enough to carry with you, and uses your cell phone as a hotspot to deliver its data. Of course, that assumes you have a phone that can act as a hotspot. The parts are straightforward, a power...	24	6	[ { "comment_id": "4605637", "author": "Robert Mateja", "timestamp": "2018-06-03T14:31:34", "content": "Add castellated sim module and on that footprint you got standalone solution.Flat lipo, s.cell and you are ready for next HaD challenge. Hmm…it’s good idea?", "parent_id": null, "depth": 1, ...	1,760,374,346.114774
https://hackaday.com/2018/06/03/silicon-nanowires-create-flexible-photodetectors/	Silicon Nanowires Create Flexible Photodetectors	Drew Risinger	[ "chemistry hacks", "hardware" ]	[ "nanowire", "photodetector", "semiconductor", "semiconductor junction" ]	https://hackaday.com/wp-…26499.jpeg?w=800	Modern display and solar cell technologies are built with a material called Indium Tin Oxide (ITO). ITO has excellent optical transparency and electrical conductivity, and the material properties needed for integration in large-scale manufacturing. However, we’re not content with just merely “good enough” nowadays, and...	5	2	[ { "comment_id": "4605456", "author": "Genki", "timestamp": "2018-06-03T12:11:11", "content": "A few years late but we can get that roll up scene windows like those at Future Marty’s house in Back to the Future 2.", "parent_id": null, "depth": 1, "replies": [ { "comment_id":...	1,760,374,346.160104
https://hackaday.com/2018/06/03/someone-set-us-up-the-compiler-bomb/	Someone Set Us Up The Compiler Bomb	Al Williams	[ "Software Hacks" ]	[ "c++", "code", "compiler bomb", "malware" ]	https://hackaday.com/wp-…3/bomb.png?w=800	Despite the general public’s hijacking of the word “hacker,” we don’t advocate doing disruptive things. However, studying code exploits can often be useful both as an academic exercise and to understand what kind of things your systems might experience in the wild. [Code Explainer] takes apart a compiler bomb in a rece...	43	15	[ { "comment_id": "4605074", "author": "Onker", "timestamp": "2018-06-03T08:11:55", "content": "You didn’t try it? Maybe you should: test.c:1:1: error: size of array ‘main’ is too large", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4605088", "author": "Tom ...	1,760,374,346.679411
https://hackaday.com/2018/06/02/bringing-back-a-spectrums-rails/	Bringing Back A Spectrum’s Rails	Jenny List	[ "classic hacks" ]	[ "Clive Sinclair", "sinclair", "sinclair spectrum", "spectrum" ]	https://hackaday.com/wp-…atured.jpg?w=800	The Sinclair ZX Spectrum was to most Brits the computer to own in the early 1980s, it might not have had all the hardware features of its more expensive competitors but it had the software library that they lacked. Games came out for the Spectrum first, and then other platforms got them later. If you didn’t have a rubb...	10	5	[ { "comment_id": "4605311", "author": "MK 2", "timestamp": "2018-06-03T10:41:09", "content": "Indiegogo has said that it is willing to extend the deadline it gave to a project attempting to make a handheld version of a classic British computer..But the crowdfunding site says that the team behind the ...	1,760,374,346.730286
https://hackaday.com/2018/06/02/facebooks-universal-music-translator/	Facebook’s Universal Music Translator	Steven Dufresne	[ "Musical Hacks", "News" ]	[ "facebook", "music", "music synthesis", "neural network", "translation", "translator", "wavenet" ]	https://hackaday.com/wp-…on_fe1.jpg?w=800	Star Trek has its universal language translator and now researchers from Facebook Artificial Intelligence Research (FAIR) has developed a universal music translator . Much of it is based on Google’s WaveNet , a version of which was also used in the recently announced Google Duplex AI . The inspiration for it came from ...	20	12	[ { "comment_id": "4604617", "author": "Jeffo", "timestamp": "2018-06-03T02:18:05", "content": "The model seems to add in a whole lot of notes that aren’t really there. I wonder if they added an intermediate sheet music or midi layer and some kind of statistical filter they could remove some of these....	1,760,374,346.850061
https://hackaday.com/2018/06/02/budget-dehydrator-gives-your-damp-filament-a-second-chance/	Budget Dehydrator Gives Your Damp Filament A Second Chance	Sonya Vasquez	[ "3d Printer hacks" ]	[ "3d prining", "dehydrator", "filament drying", "food dehydrator" ]	https://hackaday.com/wp-…atured.jpg?w=800	If you’ve had the misfortune of leaving your 3D printer filament out on a muggy day or, heaven forbid: showering with it, it’s probably soaked up quite a bit of moisture. Moisture will do more than just make your printer sound like Rice Crispies, it’ll ruin surface finishes and cause the filament to string into thin wi...	24	13	[ { "comment_id": "4604328", "author": "John E Kabat Jr", "timestamp": "2018-06-02T23:16:45", "content": "Good thing I live on the plains of Colorado. The humidity runs 10-15 percent most of the time so we don’t normally have a mostire plomblsm! :-)", "parent_id": null, "depth": 1, "replie...	1,760,374,346.793748
https://hackaday.com/2018/06/02/servo-becomes-mini-linear-actuator/	Servo Becomes Mini Linear Actuator	Donald Papp	[ "Robots Hacks", "The Hackaday Prize" ]	[ "2018 Hackaday Prize", "3d printed", "linear", "linear actuator", "robotics", "servo" ]	https://hackaday.com/wp-…atured.jpg?w=684	RC servos are a common component in many robotics projects, but [Giovanni Leal] needed linear motion instead of the rotary actuation that servos normally offer. The 3D Printed Mini Linear Actuator was developed as a way to turn a mini servo into a linear actuator, giving it more power in the process. A servo uses a pot...	11	5	[ { "comment_id": "4604286", "author": "jafinch78", "timestamp": "2018-06-02T22:48:08", "content": "Interesting application of a servo and 3D printer. Worm geared version maybe? Now waiting for a pneumatic and hydraulic version that is 3D printed. Neato!", "parent_id": null, "depth": 1, ...	1,760,374,347.18113
https://hackaday.com/2018/06/02/buck-converter-efficiency/	Buck Converter Efficiency	Al Williams	[ "Misc Hacks" ]	[ "buck converter", "smps", "switching power supply" ]	https://hackaday.com/wp-…5/smps.png?w=800	We always appreciate when someone takes the time to build something and then demonstrates what different design choices impact using the real hardware. Sure, you can work out the math and do simulations, but there’s something about having real hardware that makes it tangible. [Julian Ilett] recently posted two videos t...	10	5	[ { "comment_id": "4603921", "author": "nsayer", "timestamp": "2018-06-02T18:59:56", "content": "Did he try a synchronous rectifier? That is, using two transistors (one from Vin, one from ground) to supply the input to the inductor? I think that’s a thing a lot of modern controllers use to improve eff...	1,760,374,346.597218
https://hackaday.com/2018/06/02/print-your-own-filament/	Print Your Own Filament	Al Williams	[ "3d Printer hacks" ]	[ "3d printing", "filament", "filament extruder", "plastic recycling", "recycling" ]	https://hackaday.com/wp-…05/fil.png?w=800	Ask anyone with a 3D printer what they make the most. They’ll probably say “trash.” There are extra pieces, stuff that oozes out of the extruder, support material, parts that didn’t stick to the bed, or just parts that needed a little tweaking to get right. No matter what you do, you are going to wind up with a lot of ...	25	9	[ { "comment_id": "4603622", "author": "Tech-no-pest", "timestamp": "2018-06-02T16:12:48", "content": "Hasn’t this been done already?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4603825", "author": "daid303", "timestamp": "2018-06-02T18:00:3...	1,760,374,347.095013
https://hackaday.com/2018/06/02/bike-helmet-plays-music-via-tiny-motors-for-bone-conduction/	Bike Helmet Plays Music Via Tiny Motors For Bone Conduction	Donald Papp	[ "3d Printer hacks", "how-to", "Musical Hacks" ]	[ "18650", "3d printed", "audio", "bike helmet", "bone conduction", "music", "private", "TPA2012" ]	https://hackaday.com/wp-…atured.jpg?w=800	[Matlek] had an interesting problem. On one hand, a 40 minute bike commute without music is a dull event but in France it is illegal for any driver to wear headphones. What to do? Wanting neither to break the law nor accept the risk of blocking out surrounding sounds by wearing headphones anyway, and unwilling to creat...	20	10	[ { "comment_id": "4603214", "author": "Ostracus", "timestamp": "2018-06-02T12:33:04", "content": "“[Matlek] had an interesting problem. On one hand, a 40 minute bike commute without music is a dull event but in France it is illegal for any driver to wear headphones. ”I can see the wisdom in that law....	1,760,374,347.035925
https://hackaday.com/2018/06/02/3d-printed-tank-has-slick-tread-design/	3D Printed Tank Has Slick Tread Design	Donald Papp	[ "3d Printer hacks", "Arduino Hacks", "Robots Hacks" ]	[ "3d printed", "bluetooth", "gearmotor", "hc-05", "L293D", "remote control", "tank", "tank track", "tank tread" ]	https://hackaday.com/wp-…atured.jpg?w=800	Tank projects are great because while every tank design is the same in a fundamental way, there’s nevertheless endless variety in the execution and results. [Hoo Jian Li]’s 3D Printed Tank is smartly laid out and has an unusual tank tread that shows off some slick curves. The tank itself is remotely controlled over Blu...	4	4	[ { "comment_id": "4603009", "author": "ghoia", "timestamp": "2018-06-02T10:13:00", "content": "Yet another proof that 3D printing is a solution needing a problem.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4603991", "author": "Mbc", "timestamp": "20...	1,760,374,346.974761
https://hackaday.com/2018/06/01/a-hid-for-robots/	A HID For Robots	Bryan Cockfield	[ "Robots Hacks" ]	[ "arduino", "controller", "diy", "Due", "hid", "Joystick", "potentiometer", "robot" ]	https://hackaday.com/wp-…/main3.jpg?w=800	Whether with projects featured here or out in the real world, we have a tendency to focus most upon the end product. The car, solar panel, or even robot. But there’s a lot more going on behind the scenes that needs to be taken care of as well, whether it’s fuel infrastructure to keep the car running, a semiconductor ma...	5	3	[ { "comment_id": "4602648", "author": "rasz_pl", "timestamp": "2018-06-02T06:54:40", "content": "why do this instead of off the shelf xbox/ps controller? Even US Navy finally realized custom control consoles are stupid, because expensive and non standard (needs training, lots of operator error).", ...	1,760,374,347.133246
https://hackaday.com/2018/06/01/prestretched-fabric-prints-pop-into-the-third-dimension/	Prestretched Fabric Prints Pop Into The Third Dimension	Sonya Vasquez	[ "3d Printer hacks" ]	[ "3d printing", "fabric", "stretchable fabric" ]	https://hackaday.com/wp-…tretch.gif?w=600	Printing on fabric might be a familiar trick, but adding stretch into the equation gives our fabric prints the ability to reconstitute themselves back into 3D. That’s exactly what [Gabe] has accomplished; he’s developed a script that takes open 3d meshes and converts them to a hexagonal pattern that, when 3D-printed on...	17	7	[ { "comment_id": "4602256", "author": "TGT", "timestamp": "2018-06-02T03:20:08", "content": "This is extremely clever. I definitely want to try this out. I’ve used that flattening algorithm to make UV maps for 3d objects before, but I’d never think to use it like this.", "parent_id": null, "d...	1,760,374,347.363103
https://hackaday.com/2018/06/01/tracking-cubesats-for-25/	Tracking CubeSats For $25	Eric Evenchick	[ "Radio Hacks", "Space" ]	[ "antenna", "cheap", "cubesat", "RTL-SDR", "SDR Console", "space" ]	https://hackaday.com/wp-…-13-pm.png?w=800	CubeSats are tiny satellites which tag along as secondary payloads during launches. They have to weigh in at under 1.33 kg, and are often built at low cost. There’s even open source designs for these little spacecrafts. Over 800 CubeSats have been launched over the last few years, with many more launches scheduled in t...	11	5	[ { "comment_id": "4600146", "author": "Tasked", "timestamp": "2018-06-01T08:28:49", "content": "I bought one of those Chinese rtl-sdr kits recently and thankfully I tested the USB stick before putting it together because it was dead out of the box! I’m still waiting for the replacement…", "parent...	1,760,374,347.512123
https://hackaday.com/2018/05/31/tiny-fpga-board-fits-in-your-laptop/	Tiny FPGA Board Fits In Your Laptop	Eric Evenchick	[ "hardware" ]	[ "artix-7", "fpga", "M.2", "PicoEVB", "xilinx" ]	https://hackaday.com/wp-…atured.jpg?w=800	There are a bunch of FPGA development boards to choose from, but how many will fit inside your laptop? The PicoEVB is a tiny board that connects to a M.2 slot and provides an evaluation platform for the Xilinx Artix-7 FPGA family. This minimalist board sports a few LEDs, a PCIe interface, an integrated debugger, on-boa...	37	13	[ { "comment_id": "4599863", "author": "Mike Massen", "timestamp": "2018-06-01T05:07:19", "content": "Brilliant thanks Eric Evenchick,This is just what an associate needs as he is I think still in the early stages of designing a commercial plan for a range of products to handle diverse graphics with m...	1,760,374,347.439107
https://hackaday.com/2018/05/31/distorted-text-says-a-lot/	Distorted Text Says A Lot	Brian McEvoy	[ "computer hacks", "Security Hacks" ]	[ "crypto", "cryptography", "FontCode", "hidden", "message", "plaintext", "secret", "text" ]	https://hackaday.com/wp-…ntcode.png?w=800	Getting bounced to a website by scanning a QR code is no longer an exciting feat of technology, but what if you scanned the ingredient list on your granola bar and it went to the company’s page for that specific flavor, sans the matrix code ? Bright minds at the Columbia University in the City of New York have “perturb...	21	6	[ { "comment_id": "4599722", "author": "Paul", "timestamp": "2018-06-01T03:07:40", "content": "stekernography", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4599725", "author": "Brian McEvoy", "timestamp": "2018-06-01T03:09:19", "conten...	1,760,374,347.674444
https://hackaday.com/2018/05/31/blowing-arcylic-canopies-using-stuff-from-around-the-shop/	Blowing Arcylic Canopies Using Stuff From Around The Shop	Steven Dufresne	[ "Misc Hacks" ]	[ "acrylic", "blow molding", "pressure forming", "thermoformer", "thermoforming", "thermoplastic" ]	https://hackaday.com/wp-…ven-fe.jpg?w=800	Blowing an acrylic sheet after heating it is an easy way to make a smooth and transparent canopy or bubble for anything from clams to light fixtures. [Michael Barton-Sweeney] does it using plastic blow ovens he made cheaply , mainly from stuff which most of us already have in our workshops. All you need is a way to hea...	13	3	[ { "comment_id": "4599345", "author": "Peter Neilson", "timestamp": "2018-05-31T23:10:44", "content": "Smoetimes the letters in words get tarnsposed. In the headline arcylic should read acrylic.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4599453", ...	1,760,374,347.614027
https://hackaday.com/2018/05/31/diy-scrap-guitar-really-shreds/	DIY Scrap Guitar Really Shreds	Kristina Panos	[ "how-to", "Musical Hacks" ]	[ "guitar", "guitar pickup", "inlay", "plywood", "reclaimed wood", "scrap projects" ]	https://hackaday.com/wp-…ar-800.png?w=800	[Keith Decent] recently got himself involved in a plywood challenge, and decided to make a single-pickup electric guitar. Since he is a prolific hoarder of scrap wood, the result is a lovely stack of laminates from many sources, including reclaimed cabinet doors . Really though, the wood is just the beginning—nearly ev...	14	10	[ { "comment_id": "4599133", "author": "p", "timestamp": "2018-05-31T20:54:58", "content": "I like it except for the shellac finish. As much as I like shellac as a finish, ethanol is the solvent for it. There is a reason one of my amps prominently listed as a feature that alcohol will NOT harm the fin...	1,760,374,347.562353
https://hackaday.com/2018/05/31/the-best-part-of-waking-up-just-got-better/	The Best Part Of Waking Up Just Got Better	Kristina Panos	[ "The Hackaday Prize" ]	[ "2018 Hackaday Prize", "chugging temperature", "coffee", "copper", "cpu cooler", "tea", "thermoelectric generator" ]	https://hackaday.com/wp-…dy-800.png?w=800	If you ask us, one of life’s greatest pleasures is sitting down with a nice, hot cup of something of coffee, tea or hot chocolate. Of course, the best part of this ritual is when the beverage has cooled enough to reach that short window of optimal drinking temperature. Often times the unthinkable happens—we sip too ear...	23	13	[ { "comment_id": "4598963", "author": "Cool project bro", "timestamp": "2018-05-31T19:02:25", "content": "I like the simplicity and performance of the Kickstarter PCM cup project, that HaD poo-poo’d a few years back.It stored the excess heat in the PCM (phase change material) to not only cool down th...	1,760,374,347.960075
https://hackaday.com/2018/05/31/modular-robotics-made-easier-with-ros/	Modular Robotics Made Easier With ROS	Steven Dufresne	[ "Featured", "Original Art", "Robots Hacks", "Slider" ]	[ "modular robot", "Robot Operating System", "robotics", "ros" ]	https://hackaday.com/wp-…05/ros.jpg?w=800	A robot is made up of many hardware components each of which requires its own software. Even a small robot arm with a handful of servo motors uses a servo motor library. Add that arm to a wheeled vehicle and you have more motors. Then attach some ultrasonic sensors for collision avoidance or a camera for vision. By tha...	31	8	[ { "comment_id": "4598898", "author": "Adam", "timestamp": "2018-05-31T18:09:49", "content": "does it still use only one network port for all RX/TX ?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4601284", "author": "Darin", "timestamp": "201...	1,760,374,347.903118
https://hackaday.com/2018/05/31/reverse-emulating-nes-nintendception/	Reverse-Emulating NES: Nintendception!	Elliot Williams	[ "Nintendo Hacks", "Slider" ]	[ "emulator", "nes", "raspberry pi", "snes", "SNES emulator" ]	https://hackaday.com/wp-…tured1.png?w=800	This is a stellar hack, folks. [Tom7] pulled off both full-motion video and running a Super Nintendo game on a regular old Nintendo with one very cute trick. And he gives his presentation of how he did it on the Nintendo itself — Nintendo Power(point)! The “whats” and the “hows” are explained over the course of two vid...	32	10	[ { "comment_id": "4598516", "author": "Internet", "timestamp": "2018-05-31T15:43:20", "content": "Doesn’t seem to emulate any SNES sound at this stage. He speculates it is possible though. The “joke” about humor was awfully technical but a generally fair point about certain subtypes of humor. Though ...	1,760,374,347.82898
https://hackaday.com/2018/05/31/internet-of-smells-giving-a-machine-the-job-of-sniffing-out-spoiled-food/	Internet Of Smells: Giving A Machine The Job Of Sniffing Out Spoiled Food	Sean Boyce	[ "cooking hacks", "Featured", "Interest", "Microcontrollers", "Original Art", "Slider" ]	[ "ESP8266", "NodeMCU", "smelly", "VOC", "yogurt" ]	https://hackaday.com/wp-…stinks.jpg?w=800	Has the food in your pantry turned? Sometimes it’s the sickening smell of rot that tells you there’s something amiss. But is there a way to catch this before it makes life unpleasant? If only there were machines that could smell spoiled food before it stinks up the whole place. In early May, I was lucky enough to atten...	17	10	[ { "comment_id": "4598412", "author": "Elliot Williams", "timestamp": "2018-05-31T14:54:27", "content": "Awesome experiment, although yogurt may be a bad baseline — it’s already spoiled milk to start with.What happens if you take a glass of milk, stir in a spoon of yogurt, and put it on a warm window...	1,760,374,347.755287
https://hackaday.com/2018/05/31/accurate-coffee-billing-through-reverse-engineering/	Accurate Coffee Billing Through Reverse Engineering	Lewin Day	[ "classic hacks" ]	[ "coffee" ]	https://hackaday.com/wp-…in4502.png?w=800	If you’ve ever worked in a stingy office, you’ve become familiar with the communal coffee maker that runs on some variant of the honor system. There’s bits of paper, a coin jar shabbily sealed with sticky tape, and the routine note every six months telling people off for not paying for their daily brew. It all gets a b...	37	5	[ { "comment_id": "4597923", "author": "Max", "timestamp": "2018-05-31T12:19:18", "content": "I always wondered what a “bean counter” was.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4598132", "author": "Ren", "timestamp": "2018-05-31T13:22:...	1,760,374,348.132568
https://hackaday.com/2018/05/31/serial-connection-over-audio-arduino-can-listen-to-uart/	Serial Connection Over Audio: Arduino Can Listen To UART	Ben James	[ "Android Hacks", "Arduino Hacks" ]	[ "3.5mm", "android", "arduino", "audio", "oboe", "serial" ]	https://hackaday.com/wp-…tured2.jpg?w=800	We’ve all been there: after assessing a problem and thinking about a solution, we immediately rush to pursue the first that comes to mind, only to later find that there was a vastly simpler alternative. Thankfully, developing an obscure solution, though sometimes frustrating at the time, does tend to make a good Hackad...	20	11	[ { "comment_id": "4597305", "author": "Mats Engstrom (@matseng)", "timestamp": "2018-05-31T08:24:14", "content": "I guess this would work for inputting a raw serial data/uart stream into the phone as well. If the input is AC-coupled each transition of the data would be read as a short negative or pos...	1,760,374,348.193057
https://hackaday.com/2018/05/30/counting-bees-with-a-raspberry-pi/	Counting Bees With A Raspberry Pi	Tom Nardi	[ "green hacks", "Raspberry Pi" ]	[ "bee hive", "bees", "computer vision", "counting", "raspberry pi" ]	https://hackaday.com/wp-…_feat1.jpg?w=800	Even if keeping bees sounds about as wise to you as keeping velociraptors (we all know how that movie went), we have to acknowledge that they are a worthwhile thing to have around. We don’t personally want them around us of course, but we respect those who are willing to keep a hive on their property for the good of th...	34	14	[ { "comment_id": "4596954", "author": "Blecky", "timestamp": "2018-05-31T05:53:16", "content": "No! Not The bees!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4597070", "author": "Lily", "timestamp": "2018-05-31T06:59:12", "content": "When I first...	1,760,374,348.267581
https://hackaday.com/2018/05/30/stock-market-prediction-with-natural-language-machine-learning/	Stock Market Prediction With Natural Language Machine Learning	Lewin Day	[ "Software Hacks" ]	[ "machine learning", "natural language", "share market", "stock market" ]	https://hackaday.com/wp-…in4501.png?w=800	Machines – is there anything they can’t learn? 20 years ago, the answer to that question would be very different. However, with modern processing power and deep learning tools, it seems that computers are getting quite nifty in the brainpower department. In that vein, a research group attempted to use machine learning ...	38	15	[ { "comment_id": "4596563", "author": "Olsen", "timestamp": "2018-05-31T02:31:43", "content": "xkcd 1570", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4596600", "author": "Daniel Matthews", "timestamp": "2018-05-31T02:56:46", "content...	1,760,374,348.340169
https://hackaday.com/2018/05/30/the-tantillus-reborn/	The Tantillus, Reborn	Brian Benchoff	[ "3d Printer hacks" ]	[ "3d printer", "reprap", "RepRap Project", "Tantillus" ]	https://hackaday.com/wp-…nthead.jpg?w=800	In the beginning, around 2011 or thereabouts, there was an infinite variety of designs available for anyone to build their own 3D printer. There were Mendels, some weirdos were actually trying to build Darwins, and deltas were starting to become a thing. In the years since then, everyone just started buying cheap Prusa...	34	10	[ { "comment_id": "4596266", "author": "TGT", "timestamp": "2018-05-31T00:15:20", "content": "“Face it: most of your prints aren’t bigger than 100mm unless you’re purposely printing something huge”I guess that’s true but only as a tautology. I’m usually purposely printing something huge, whatever that...	1,760,374,348.539091
https://hackaday.com/2018/05/30/autonomous-spaceplane-travels-to-10-km-lands-safely-200-km-away/	Autonomous Spaceplane Travels To 10 Km, Lands Safely 200 Km Away	Dan Maloney	[ "drone hacks" ]	[ "autonomous", "balloon", "drone", "glider", "gps", "helium", "PixHawk", "space", "weather balloon" ]	https://hackaday.com/wp-…025708.png?w=800	Space balloons, where one sends instrument packages to the edge of space on a weather balloon, are a low-cost way to scratch the space itch. But once you’ve logged the pressure and temperature and tracked your balloon, what’s the next challenge? How about releasing an autonomous glider and having it return itself to Ea...	39	10	[ { "comment_id": "4594082", "author": "Luke", "timestamp": "2018-05-30T08:32:18", "content": "If the plane flew 80 km, why is it 200 km suddenly?80 km sounds more plausible because the glide ration surely wasn’t 20:1", "parent_id": null, "depth": 1, "replies": [ { "comment_i...	1,760,374,348.471136
https://hackaday.com/2018/05/29/spellcasting-gun-uses-pov-display-not-magic/	Spellcasting Gun Uses POV Display, Not Magic	Lewin Day	[ "Toy Hacks" ]	[ "gun", "nerf blaster", "nerf gun", "POV", "POV display" ]	https://hackaday.com/wp-…ain450.png?w=800	Persistence of Vision, or POV, displays are ever popular around these parts. Spin a few LEDs and you can make images appear in almost-thin air – just don’t stick your finger in the way. [FriskP] found a great application for this hardware – creating an anime-styled spellcasting gun. The basic gun is built around a Nerf...	25	11	[ { "comment_id": "4593509", "author": "Robert Mateja", "timestamp": "2018-05-30T05:08:30", "content": "https://ia.media-imdb.com/images/M/MV5BYWVmMDA0YjUtY2U0Ni00ZTQwLTk0YmUtZGQwYmYzMmI3OWJlXkEyXkFqcGdeQXVyNzU1NzE3NTg@._V1_CR0,45,480,270_AL_UX477_CR0,0,477,268_AL_.jpg", "parent_id": null, "de...	1,760,374,348.399983
https://hackaday.com/2018/05/29/gaming-system-built-with-kite-the-diy-android-kit/	Gaming System Built With Kite, The DIY Android Kit	Tom Nardi	[ "3d Printer hacks", "Android Hacks", "Nintendo DS Hacks" ]	[ "android", "arduino nano", "kite", "Nintendo 3DS", "print finishing" ]	https://hackaday.com/wp-…e_feat.jpg?w=800	As a gamer, [Lexie Dostal] dreamed of a smartphone that was a viable gaming platform: something with enough power to run the games and emulators he was interested in, with the controls to make playing them feel natural. So when he got his hands on an early version of Kite, the modular open hardware platform designed to...	8	5	[ { "comment_id": "4593184", "author": "123456789123456789", "timestamp": "2018-05-30T03:07:40", "content": "I’m glad to see tech like this being built. We’ll likely see a normal looking phone with joycon rails soon. Love to see diy handhelds, and this one is a beauty!", "parent_id": null, "de...	1,760,374,348.584536

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