Parts · servo
Feetech STS3215 servo, 7.4V, 1:191 gear (C044) approximation3D stand-in
Details
- Id:
servo-sts3215-c044-191 - Quantity: 2
- Arms: leader
- Also called: ST3215 Servo; SCS215
Geometry: the upstream repo's own simplified body STEP/SO100/STS3215_03a.step (Apache-2.0, D-007) with its fused horn plates cut off and the datasheet ø6 x 3.4 boss added, posed on the embedded vendor model's transform; the vendor mesh is not redistributed.
Used in
- L-002 Set motor IDs 1–6 and baud rate before assembly
- L-003 Plug one 3-pin cable into each motor before building
- L-010 Fit both horns on motor 1 (shoulder pan)
- L-011 Seat motor 1 in the base
- L-013 Attach the shoulder to the motor 1 horns
- L-030 Fit both horns on motor 3 (elbow flex)
- L-031 Insert motor 3 into the upper arm
- L-032 Connect the forearm to the motor 3 horns
Vendor part numbers
- Seeed Studio: L1, L3
Sources (4)
- SO-ARM100/README.md#sourcing-parts — Parts For Two Arms table: product codes C001/C044/C046, 7.4V
- lerobot/docs/source/so101.mdx#step-by-step-assembly-instructions — gear-ratio table
- mantech.co.za (retrieved 2026-09-07) — section 9 Outside Dimension
- SO-ARM100/STEP/SO100/STS3215_03a.step — body geometry (Apache-2.0); shaft at 10.2 mm from the end vs datasheet 12.5, see D-007