---
title: "SC15 Serial Bus Servo (17 kg.cm) by Waveshare (Feetech OEM): specs, torque and price"
description: "Smart Servo actuator from Waveshare (Feetech OEM) (China). Peak torque 1.7 Nm, rated n/a, weight 70 g, torque density 23.9 Nm/kg, price quote only."
canonical: https://getactuators.com/actuators/waveshare-sc15
last-updated: 2026-09-26T20:29:50.000Z
---
# SC15 Serial Bus Servo (17 kg.cm) by Waveshare (Feetech OEM)

> Smart Servo actuator from Waveshare (Feetech OEM) (China). Peak torque 1.7 Nm, rated n/a, weight 70 g, torque density 23.9 Nm/kg, price quote only.

## Specifications

| Spec | Value |
| --- | --- |
| Category | Smart Servo |
| Peak torque | 1.7 Nm |
| Rated torque | n/a |
| Max speed | 62 rpm |
| Gear ratio | n/a |
| Weight | 70 g |
| Torque density | 23.9 Nm/kg |
| Price | quote only |
| Price per Nm | n/a |
| Backdrivable | n/a |
| Backlash | n/a |
| Voltage | 4.8-8.4 V |
| Peak current | 1.7 A |
| Communication | TTL |
| Control modes | position, velocity |
| Encoder | potentiometer, 10-bit (1024 steps over 180 deg) |
| Integrated driver | yes |
| Availability | in production |
| Data status | verified against sources |

## Use cases

- robot arm

## Notes

Lower-cost Waveshare/Feetech bus servo with potentiometer feedback (180 deg servo / 360 deg motor mode). Stall torque 14 kg.cm @4.8V, 15 kg.cm @6V, 17 kg.cm (1.67 N.m) @8.4V; no-load ~62 rpm (0.16 s/60 deg) @6V; stall current 1.7A. Price left null - retail listings ranged widely (~$15-22) and could not be reliably confirmed.

## Sources

- <https://www.waveshare.com/sc15-servo.htm>
- <https://servodatabase.com/servo/waveshare/sc15>

## Similar Smart Servo actuators

- [STS3250 (12V, 50 kg.cm) (Feetech)](https://getactuators.com/actuators/feetech-sts3250): 65.8 Nm/kg
- [XM540-W270-T (Robotis (Dynamixel))](https://getactuators.com/actuators/dynamixel-xm540-w270-t): 64.2 Nm/kg
- [XH540-W270-T (Robotis (Dynamixel))](https://getactuators.com/actuators/dynamixel-xh540-w270-t): 60 Nm/kg
- [STS3215 (12V, 30 kg.cm) (Feetech)](https://getactuators.com/actuators/feetech-sts3215): 53.5 Nm/kg
- [H54-200-S500-R (Dynamixel PRO) (Robotis (Dynamixel))](https://getactuators.com/actuators/dynamixel-h54-200-s500-r): 52.3 Nm/kg

## Machine-readable

- JSON: https://getactuators.com/api/v1/actuators/waveshare-sc15
- Catalog index for agents: https://getactuators.com/llms.txt