Add portal-rebot-pick-microcontroller dataset (48 episodes, pick microcontroller)

README.md

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+---
+license: apache-2.0
+task_categories:
+- robotics
+tags:
+- LeRobot
+- robotics
+- teleoperation
+- human-in-the-loop
+- seeed-rebot
+- portal
+configs:
+- config_name: default
+  data_files: data/*/*.parquet
+---
+
+# portal-rebot-pick-microcontroller
+
+A [LeRobot](https://github.com/huggingface/lerobot) dataset of a 6-DOF arm picking a
+microcontroller and placing it in a box. Episodes were collected by teleoperating a real
+robot over the network with [LiveKit Portal](https://github.com/livekit/portal), using a
+human-in-the-loop recording loop that aligns camera frames and joint state into clean,
+synchronized trajectories.
+
+**Task:** `Pick the microcontroller and place it in the box`
+
+## At a glance
+
+| | |
+|---|---|
+| Robot | Seeed reBot Arm B601-DM (`seeed_b601_dm_follower`) |
+| Episodes | 48 |
+| Frames | 26,108 |
+| FPS | 30 |
+| Cameras | `arm_camera`, `overhead_camera` (640×480 RGB, AV1) |
+| LeRobot codebase version | v3.0 |
+| License | Apache-2.0 |
+
+## Features
+
+- **`observation.state`** — 7 absolute joint positions (degrees): `shoulder_pan`,
+  `shoulder_lift`, `elbow_flex`, `wrist_flex`, `wrist_yaw`, `wrist_roll`, `gripper`.
+- **`action`** — same 7 joint positions, the commanded targets (from human teleop or a
+  policy during handoff).
+- **`observation.images.arm_camera`** — arm-mounted RGB camera, 640×480, 30 fps.
+- **`observation.images.overhead_camera`** — overhead RGB camera, 640×480, 30 fps.
+
+## How it was collected
+
+Data was recorded with LiveKit Portal's human-in-the-loop pipeline: a robot publishes
+camera frames and joint state, an operator (human teleoperator and/or policy) drives it,
+and every executed action is recorded tagged with its sender. The synchronizer stitches
+the separately-arriving camera and state streams back into one coherent snapshot per tick
+before writing each frame to the `LeRobotDataset` episode.
+
+## Usage
+
+```python
+from lerobot.datasets.lerobot_dataset import LeRobotDataset
+
+dataset = LeRobotDataset("binhpham/portal-rebot-pick-microcontroller")
+print(dataset)
+print(dataset[0])
+```
+
+## Versions
+
+- **v3** — 48 clean episodes. Two accidental trailing recordings were removed from the
+  original 50-episode capture.

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