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[1003.94 β†’ 1004.88] The screen is bad.
[1005.00 β†’ 1006.64] It was bad back then.
[1006.72 β†’ 1008.02] So it's terrible now.
[1008.56 β†’ 1010.02] It's just not a great device.
[1010.36 β†’ 1011.00] Let's be honest.
[1011.06 β†’ 1013.60] But it was Β£35 six years ago.
[1013.60 β†’ 1020.52] And I thought to myself, wouldn't it be cool if I had a wall-mounted tablet dashboard?
[1020.88 β†’ 1021.34] Good for you.
[1021.60 β†’ 1027.70] In my workshop, I've been doing some automation around the woodworking blast gates that I have.
[1027.74 β†’ 1030.40] We'll talk about that more in an upcoming episode.
[1031.18 β†’ 1037.14] And then basically, I just wanted a touchscreen panel that I could just jab my fat fingers on and just open a certain blast gate.
[1037.14 β†’ 1042.08] I didn't want to spend any money because it's already, woodworking's already expensive enough.
[1042.28 β†’ 1045.72] Did you think about going with a voice tube out there before this, or do you already have one?
[1045.96 β†’ 1047.50] Well, I have a voice tube out there.
[1047.78 β†’ 1048.98] It's the lady cylinder.
[1049.68 β†’ 1055.64] And I, I don't know, I've kind of really gone off shouting orders across the room at these things.
[1056.66 β†’ 1063.26] I, in the rental house last, or before we bought this one, everything was on the Google voice system.
[1063.26 β†’ 1068.86] But I didn't set any of that up once we moved, and I haven't since, and I, I just don't miss it.
[1069.24 β†’ 1074.66] I mixed on it myself because there's sometimes you have to restate yourself, and you always feel like a fool when it, when it gets it wrong.
[1074.88 β†’ 1079.40] There's always that thing where you're making eye contact with the cylinder, waiting for it to light up.
[1079.44 β†’ 1080.06] And I'm like, oh.
[1080.52 β†’ 1080.66] Yeah.
[1080.68 β†’ 1086.14] And then in my situation, you add every time we're off grid, of course, the voice transcription doesn't work.
[1086.22 β†’ 1088.94] So that's really where I was like, okay, we got to have tablets.
[1089.14 β†’ 1092.60] And also it's nice to glance at it and just see what's on and what's off.
[1092.60 β†’ 1094.52] So how did you go about accomplishing this?
[1094.82 β†’ 1099.08] Well, I put Lineage OS, which is an open source version of Android.
[1099.40 β†’ 1104.08] I think it's what came out of the Cyanogen mod project a few years ago.
[1104.36 β†’ 1104.54] Yeah.
[1104.66 β†’ 1107.54] I put Lineage OS 12 on this tablet.
[1108.06 β†’ 1116.70] And performance is better than the Amazon OS that was on there before, but it's still a six-year-old device.
[1116.84 β†’ 1117.46] You know what I mean?
[1118.20 β†’ 1120.22] Well, any performance improvement would be good.
[1120.26 β†’ 1121.74] This has crossed my mind before.
[1121.94 β†’ 1123.06] I have thought about doing this.
[1123.10 β†’ 1125.26] I just wasn't sure if it was really worth the bother.
[1125.66 β†’ 1127.52] It was a bit of a pain, right?
[1127.52 β†’ 1141.52] I had to unlock the bootloader, which involved, I had to take the back off the tablet, bridge a couple of pins on the motherboard to ground the bootloader out so that it would boot into the bootloader mode for Android.
[1141.62 β†’ 1145.52] I don't know if you've ever done anything with ADB and fast boot.
[1145.86 β†’ 1146.66] A while ago, but yeah.
[1146.66 β†’ 1152.06] I had to use those tools to put a custom recovery partition on there.
[1152.08 β†’ 1161.36] So I used Team Win Recovery Project, TWRP, and sideloaded on there a bunch of different APKs and the Lineage OS ROM.
[1162.02 β†’ 1168.42] This process probably took me an evening of mostly fuzzing about and getting into that bootloader mode was the hardest part.
[1168.66 β†’ 1170.78] Are you using Windows to do any of this?
[1170.78 β†’ 1175.62] I mean, I have all three in this room, so I, you know, between the different devices.
[1175.96 β†’ 1177.48] Does it require Windows is what I'm asking?
[1177.64 β†’ 1178.84] Do you need Windows?
[1178.98 β†’ 1179.44] Because I'm out.
[1180.02 β†’ 1182.08] That's a disqualified for me right there.
[1182.22 β†’ 1184.80] I think this one works best under Linux.
[1184.94 β†’ 1187.60] I actually just used a Raspberry Pi in the end.
[1187.70 β†’ 1188.16] Oh, okay.
[1188.52 β†’ 1189.32] I have those.
[1189.60 β†’ 1190.34] I know you do.
[1191.28 β†’ 1194.88] I ended up just using a Raspberry Pi with Ubuntu on.
[1195.44 β†’ 1196.00] All right.
[1196.02 β†’ 1197.10] Now you're talking about language.
[1197.42 β†’ 1198.98] So it took you a little bit of an evening,
[1198.98 β†’ 1203.30] but it sounds like if I followed some tips from you, maybe it wouldn't take me that long.
[1204.02 β†’ 1208.22] Well, this is for the specific revision of the 2015 7-inch Fire tablet.
[1208.54 β†’ 1211.48] So I don't know if the newer ones have a more locked down bootloader.
[1211.70 β†’ 1215.10] That's the key is once you can get a custom recovery software on there,
[1215.60 β†’ 1217.56] you can install whatever image you like.
[1217.56 β†’ 1224.32] My first question, once you get the OS on there, is do you do Gaps and do you need Gaps for this tablet?
[1224.62 β†’ 1227.22] No, you definitely don't anymore because of Droid.
[1227.22 β†’ 1232.60] So my use case was to use this thing exclusively for Home Assistant.
[1232.96 β†’ 1233.06] Right.
[1233.24 β†’ 1238.44] And so Lineages, out of the box, ships with no Google software whatsoever,
[1238.80 β†’ 1241.60] which is awesome on such an underpowered device.
[1242.30 β†’ 1243.86] And then so I just loaded Droid.
[1243.96 β†’ 1249.80] I went to the Droid website, enabled unsigned or unknown sources for APK installation,
[1250.50 β†’ 1254.68] installed the Droid APK, and now I have a Google-less app store.
[1254.68 β†’ 1257.16] And Home Assistant is available in that app store.
[1257.32 β†’ 1258.84] So happy days.
[1259.22 β†’ 1260.26] And how are you doing the screen?
[1260.38 β†’ 1261.24] Are you letting it sleep?
[1261.32 β†’ 1262.52] Are you leaving it on all the time?
[1262.78 β†’ 1268.62] Because it's going to be used very infrequently, I have just used the standard lock and unlock.
[1268.92 β†’ 1271.28] And it's going to take me a couple of taps to unlock the screen,
[1271.40 β†’ 1274.80] but I use it a couple of times a day, if that.
[1275.30 β†’ 1276.58] Yeah, that makes sense.
[1277.04 β†’ 1280.74] Now, the other question I have is, are you using the web dashboard,
[1280.74 β†’ 1284.44] or did you load the Home Assistant app and interface with it that way?
[1284.74 β†’ 1288.00] Yeah, I loaded the app through Droid and the performance.
[1288.32 β†’ 1292.02] So I have a lot of experience with how long it takes to load that app on my phone.
[1292.26 β†’ 1294.76] And it can take a beat sometimes.
[1294.90 β†’ 1302.80] Performance of Lovelace and the interface of Home Assistant could be better, shall we say,
[1302.90 β†’ 1303.94] even on modern hardware.
[1303.94 β†’ 1308.94] So you can imagine on this six-year-old device, it takes a good 10 seconds to load.
[1309.22 β†’ 1310.48] Once it's loaded, it's fine.
[1310.54 β†’ 1311.92] And it works just fine.
[1311.96 β†’ 1314.72] But it's that initial load that can take a while.
[1315.14 β†’ 1317.58] If you have a guide or anything like that, is there something we could share in the show notes?
[1317.86 β†’ 1318.84] Yep, it's already in there.
[1319.04 β†’ 1319.36] Aha!
[1320.08 β†’ 1322.12] That'll be at self-hosted. Show slash 44.
[1322.62 β†’ 1325.10] We talked about HealthChecks.io last episode.
[1325.22 β†’ 1329.02] And in there, I asked you about monitoring if APIs or services are up.
[1329.04 β†’ 1330.16] And you mentioned Prometheus.
[1330.16 β†’ 1336.04] Prometheus, well, I want you to tell me more about it because we got a few people that bit via email.