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SO-101 Leader + Follower Pair
The most popular LeRobot teleoperation arm pair, assembled, calibrated and ready to record datasets.
USD 479Pre-order · ships 15 days after order
Overseas shipping only. Built on finished units from an established Chinese assembler, then calibrated, documented and supported by us.
Reserve a build slot
No payment now. Fully refundable before shipment.
Who it is for
Robot-learning labs, embodied-AI courses, anyone starting with LeRobot imitation learning.
What is in the box
- 1 leader arm + 1 follower arm, fully assembled
- 12× Feetech STS3215 bus servos, IDs pre-set
- Wrist camera on the follower
- 2× USB bus-servo adapters
- Power supplies, cables, table clamps
- Calibration file preloaded; quick-start sheet (EN/中文)
Specifications
| Degrees of freedom | 5 + gripper, per arm |
|---|---|
| Reach | approx. 440 mm |
| Payload | approx. 150–200 g (community value) |
| Servos | 12× Feetech STS3215 7.4 V |
| Control | USB bus-servo adapter ×2 |
| Power | 12 V + 5 V adapters |
| Software | LeRobot (Apache-2.0) |
| Weight / box | to be measured on first units |
Specifications marked "to be measured" are filled in after our first units are built; values marked "community" or "upstream" come from the project documentation.
Open-source design
TheRobotStudio/SO-ARM100 · Apache-2.0
Photo credit: Photo: SO-ARM100 project (Apache-2.0). Will be replaced by photos of our own units.