Keyestudio Micro bit DRV8833 Motor Driver Expansion Board

The Keyestudio Micro bit DRV8833 Motor Driver Expansion Board is a versatile add-on designed to help students, educators, and makers easily drive DC motors using a micro:bit. It provides a straightforward way to build mobile robots and motorized projects without needing complex external circuitry.

Dual H-bridge motor control

Powered by the DRV8833CPWP chip, this board features a double H-bridge configuration capable of driving DC motors with a maximum current of 700mA. It supports an input voltage range of DC 5V to 10.8V.

Onboard voltage regulation

The expansion board integrates both 3.3V and 5V voltage regulator chips to ensure stable power delivery to your micro:bit and connected peripherals.

Versatile motor control modes

Control your motors with precision using four distinct modes: clockwise, anticlockwise, boot, and stop. The board supports PWM frequencies up to 100 kHz for smooth speed adjustments.

Direct micro:bit pin mapping

The motor pins A1, A2, B2, and B1 on the expansion board are directly controlled by the micro:bit's P13, P12, P15, and P16 pins. This makes programming straightforward using Microsoft's PXT graphical interface.

Sensor and Bluetooth connectivity

Easily expand your project's capabilities using the onboard 3-pin sensor interfaces. A dedicated serial communication interface is also included for connecting external Bluetooth modules.

Graphical programming support

The board is fully compatible with Microsoft's PXT graphical programming interface for the micro:bit. This allows beginners to program their motors and sensors without downloading additional compilers.

Compact physical dimensions

Measuring 70mm by 58mm, this compact board easily fits into small robotic chassis. It operates reliably within a temperature range of 0 to 50 degrees Celsius.