The Motoron M2H18v20 is a high-power dual motor controller for Raspberry Pi, capable of driving two brushed DC motors with up to 20A continuous per channel. This bare-board version lets you choose your own connectors and mounting hardware for custom installations.

Featuring I2C communication, reverse-voltage protection, and configurable current limiting, it's built for demanding robotics and powered vehicle applications.

Key Features

Dual Motor Channels – Independent control of 2 DC motors
20A Per Channel – High-current capacity for powerful motors
6.5V to 30V Input – Wide motor voltage range
Bidirectional Control – Full forward and reverse operation
I2C Interface – Up to 400kHz with optional CRC
Current Sensing – Monitor motor current draw
Hardware Current Limiting – Configurable protection
Reverse Voltage Protection – Protects against wiring mistakes
Status LEDs – Visual feedback for motor direction

Specifications

Motor Channels – 2 (independent, bidirectional)
Motor Voltage – 6.5V to 30V
Logic Voltage – 3.0V to 5.5V
Max Current – 20A continuous per channel
Interface – I2C (400kHz)
PWM Frequencies – 1kHz to 80kHz (8 options)

Compatibility

Raspberry Pi Model B+ and later
Raspberry Pi 3, 4, 5
Raspberry Pi Zero (with GPIO header)

Ideal For

Custom robotics builds
Powered vehicles requiring high current
Industrial automation
Projects requiring custom mounting

Package Contents

1× Motoron M2H18v20 controller board (assembled PCB only)

Note: No connectors or standoffs included. Headers, terminals, and mounting hardware sold separately.

Resources

Pololu Product Page – Documentation

Raspberry Pi Motor Controllers

Motoron M2H18v20 Dual High-Power Motor Controller for Raspberry Pi (No Connectors or Standoffs)