Feetech ST3215‑C047 Servo Motor, 12V 30 kg.cm Stall, Serial Bus, 1:345 Metal Gearbox, 12‑bit Sensor, 45.2×24.7×35mm

Overview

Feetech ST3215‑C047 is a 12V, 30 kg.cm serial bus smart Servo Motor featuring a plastic case, core motor, 1:345 metal gearbox, and a 12‑bit high‑precision magnetic coding sensor. Stall torque is 30 kg.cm and rated torque is 10 kg.cm. Designed for versatility, it fits industrial automation, robotics, and low‑torque drive applications, including the LeRobot SO‑ARM 101 robotic arm.

Key Features

• High precision: 360‑degree positioning with precise angle control and multi‑turn continuous rotation capability
• Metal gearbox: 1:345 gear reduction
• Easy calibration: one‑touch midpoint calibration
• Rich feedback: real‑time position, speed, voltage, current, temperature, and load
• 12V servo: works with 12V power supply

Specifications

Hardware Overview

• Two 3‑pin ports labeled: Serial (S), VCC, GND
• Pinout (per labeling): 1 = G (black), 2 = V (red), 3 = S (blue)

Applications

• LeRobot SO‑ARM101 robotic arm
• Used on leader arm

Documents

• Datasheet
• Github
• Debug Software
• Modbus‑RTU Protocol

ECCN/HTS

What’s Included

• ST3215‑C047 Servo ×1
• Servo Horn ×2
• Screw ×18
• JST Wire ×1

Details