Wonrabai

Serial Bus Servo Driver Board, Integrates Servo Power Supply and Control Circuit, for ST/SC Series Serial Bus Servos, Supports 253 ST/SC Series Serial Bus Servos at The Same Time

Name: Serial Bus Servo Driver Board, Integrates Servo Power Supply and Control Circuit, for ST/SC Series Serial Bus Servos, Supports 253 ST/SC Series
Brand: Wonrabai
SKU: B0CTMM4LWK
Price: 12.47 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-07-07

$12.47

Buy on Amazon — $12.47 Compare to similar power supplies

*Price sourced from Amazon.com. Last updated 2026-07-07. Price and availability subject to change.

Bottom line: The Serial Bus Servo Driver Board, Integrates Servo Power Supply and Control Circuit, for ST/SC Series Serial Bus Servos, Supports 253 ST/SC Series Serial Bus Servos at The Same Time is a niche pick — read recent reviews before buying in the power supplies category, priced around $12.47. Read recent reviews carefully before committing.

SpecPicks Verdict

SpecPicks classifies Serial Bus Servo Driver Board, Integrates Servo Power Supply and… as a niche pick — read recent reviews before buying in the power supplies category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Wonrabai's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Comes with Online Tutorial and Development Resource, Please check: n9.cl/rs537
✓ Backed by Wonrabai's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

Compatible Servos--- Supports ST/SC series bus servos, and can directly power the servos via DC power jack, supports selecting power supply input according to the servo used
UART serial bus control--- Allows controlling up to 253 SC/ST series serial bus servos at the same time, supports receiving the operating status and various information feedback of each servo
Two Power supply methods--- Onboard DC5521 power jack and screw terminal for easy integration into existing projects. Supports UART and USB control--- Switching the control mode by selecting A or B via the jumper
Suitable for more Applications via UART--- Supports directly controlling the serial bus servo via UART communication, and provides SDK which is compatible with various hardware platforms, please refer to the product's Online Wiki for more details
Easy to use with USB control----Connect the driver board to the host via a USB cable to easily control the serial bus servo and receive data feedback, speeding up the project prototyping process
Comes with Online Tutorial and Development Resource, Please check: n9.cl/rs537

Full Specifications

Brand	Wonrabai
CPU Model	ARMv7
Model Name	Wonrabai Servo Driver Board
Unit Count	1.0 Count
Connectivity	USB
Built-In Media	Bus Servo Adapter (A) x1
Processor Brand	ARM
Processor Count	1
Total Usb Ports	1
Compatible Devices	ST/SC series bus servos
Included Components	Bus Servo Adapter (A) x1
Warranty Description	Small Parts
RAM Memory Technology	DDR
Connectivity Technology	USB

Ready to buy?

Serial Bus Servo Driver Board, Integrates Servo Power Supply and Control Circuit, for ST/SC Series Serial Bus Servos, Supports 253 ST/SC Series Serial Bus Servos at The Same Time is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-07-07. Price and availability subject to change.