Feetech Bus Servos (SCS0009 / STS3215)

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Overview

Feetech serial bus servos are the driving core of SO-ARM101-class arms, using the SCS communication protocol for single-bus multi-servo chains. Magnetic encoder (STS) and potentiometer (SCSCL) versions with FD host software debugging.

Key features:

• Serial bus communication, multi-servo single bus
• Magnetic (STS) / potentiometer (SCSCL) versions
• Position/speed/torque real-time feedback
• Full memory table documentation
• Dual communication: TTL (high-speed) / RS485 (anti-interference)
• Up to 254 servos on one bus (ID 0-253, broadcast ID 254)
• Default 1M baud, 8 data bits, 1 stop bit
• Over-temperature / over-voltage / over-current / overload protection
• FD host tool (Windows)

Specifications

Category	Spec
Protocol	SCS serial bus
Versions	STS3215 (magnetic) / SCS0009 (potentiometer)
Debug	FD host tool (Windows)
Baud	1,000,000 (host default)

Quick Start

# Windows FD host: feetechrc.com/software.html
# Select port, baud 1000000, click Search

Tutorials

• Feetech STS3215 & SCS0009 Tutorial
• SCS Communication Protocol
• Magnetic Encoder STS Memory Table
• Potentiometer SCSCL Memory Table

Support

• 📧 Email: support@juxitech.com
• 🌐 Website: www.juxitech.com