waveshare

Waveshare 2PCS Serial Bus Servo Driver Board, Integrates Servo Power Supply and Control Circuit, Applicable for ST/SC Series Serial Bus Servos, Small in Size, Easy to Integrate, 2PCS Version

Name: Waveshare 2PCS Serial Bus Servo Driver Board, Integrates Servo Power Supply and Control Circuit, Applicable for ST/SC Series Serial Bus Servos, Small
Brand: waveshare
SKU: B0DK79JNNK
Price: 19.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$19.99

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View Current Price on Amazon → Compare to similar power supplies

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.

Bottom line: The Waveshare 2PCS Serial Bus Servo Driver Board, Integrates Servo Power Supply and Control Circuit, Applicable for ST/SC Series Serial Bus Servos, Small in Size, Easy to Integrate, 2PCS Version is a niche pick — read recent reviews before buying in the power supplies category, priced around $19.99. Compare close alternatives before committing.

SpecPicks Verdict

SpecPicks scored Waveshare 2PCS Serial Bus Servo Driver Board, Integrates Servo Power… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power supplies category. waveshare's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

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

✓ Supports connecting to a host or MCU to control the serial bus servos
✓ Backed by waveshare'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

Supports connecting to a host or MCU to control the serial bus servos
Allows controlling up to 253 ST/SC series serial bus servos at the same time (sufficient power supply required)
9~12.6V voltage input (the input voltage and the servo voltage must be matched)
Provides convenient serial bus servo control solutions. Integrates control circuit to ensure the stable operation of serial bus servo
Compact size and space saving, suitable for integration into sorts of space-limited projects

Full Specifications

Brand	waveshare
Platform	No Operating System
Model Name	2PCS Bus Servo Adapter (A)
Model Number	2PCS Bus Servo Adapter (A)
Mfr Part Number	2PCS Bus Servo Adapter (A)
Number of Ports	253
Compatible Devices	Single-Board Computers (e.g., Raspberry Pi, Arduino)
Memory Clock Speed	1 MHz
Warranty Description	1 year
S/PDIF Connector Type	Bus Servo Adapter (A)
Memory Slots Available	1
Graphics Card Interface	Integrated
Main Power Connector Type	24-Pin

Ready to buy?

Waveshare 2PCS Serial Bus Servo Driver Board, Integrates Servo Power Supply and Control Circuit, Applicable for ST/SC Series Serial Bus Servos, Small in Size, Easy to Integrate, 2PCS Version 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.

View Current Price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.