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Micro DC Driver 20x24mm

Micro Driver 20x24mm: 40V smart DC motor driver in XIAO form factor. Wi-Fi/BLE/Matter control with manual button override.

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Micro Driver 20x24mm is an ultra-compact power and control board for DC motors and linear actuators, built to the Seeed Studio XIAO footprint. Plug in a XIAO ESP32-C6, C3, S3 or nRF52840 and you get wireless control (Wi-Fi, BLE, Matter/Thread) with no extra wiring.

Key features:

40V rated input (tested to 29V), 4A continuous / 12A peak
Digital current sensing and fault diagnostics over SPI
On-board 5V supply for the microcontroller, powered straight from the motor battery
Manual bypass port for classic up/down buttons, so the actuator still works if the wireless side fails, which matters for medical and industrial furniture
Reserved input for a Hall sensor for speed and position feedback
Via-array thermal design, no external heatsink needed

Target uses are smart and medical furniture, robotics, and IoT projects where you want wireless actuator control in a very small space. Firmware is left open so you can write it for your own application.

Next steps: first production

motor-driver-3d-render.png

Portable Network Graphics (PNG) - 103.08 kB - 09/27/2026 at 22:50

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motor-driver-module-public.pdf

Adobe Portable Document Format - 6.90 kB - 09/27/2026 at 22:49

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