Pololu
Motoron M2H24v14 Dual High-Power Motor Controller Kit for Raspberry Pi
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$113.30
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The Motoron M2H family of dual high-power motor controller add-on boards makes it easy to control up two bidirectional, brushed DC motors with a compatible R...
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The Motoron M2H family of dual high-power motor controller add-on boards makes it easy to control up two bidirectional, brushed DC motors with a compatible Raspberry Pi (Model B+ or newer). The M2H controllers are designed to stack on top of a Raspberry Pi (Model B+ or newer), similar to a HAT (Hardware Attached on Top), and multiple controllers can be stacked on top of each other, allowing independent control of many motors. Unlike most of our motor drivers and motor driver expansion boards for Raspberry Pi, the Motoron does not require any PWM outputs on your Raspberry Pi. Instead, the Raspberry Pi communicates with the Motoron using I²C, so only two GPIO pins are needed regardless of how many Motorons you connect. Four types are available so you can pick the one with the appropriate operating voltage range and output current capabilities for your project:
Each of the four types above is available in three versions to provide different options for the through-hole connectors: they can be purchased as an assembled product with stackable headers and terminal blocks soldered in, as a kit with connectors included but not soldered in, or as a standalone board without connectors.
Each of the four types above is available in three versions to provide different options for the through-hole connectors: they can be purchased as an assembled product with stackable headers and terminal blocks soldered in, as a kit with connectors included but not soldered in, or as a standalone board without connectors.
The M2H24v14 controller supports motor supply voltages from 6.5 V to 40 V (absolute maximum, not intended for use with 36 V batteries) and can deliver continuous output currents up to 14 A per motor. The M2H24v14 can be distinguished from other types of M2H controllers by its smaller discrete MOSFETs and the number 100 on top of the tall silver electrolytic capacitors.
This version is a kit with the following connectors included but not soldered in:
- One 2×20 stackable female header
- Three 2-pin 5mm screw terminal blocks
- One 1×25 breakaway male header (you can cut or break this into smaller header strips to install as desired)
It also includes a set of four M2.5 standoffs (11 mm length), screws, and nuts that can be used to secure the board at the proper height
Jargon buster
Plain-language definitions for the technical terms used above.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
- GPIO
- General-purpose input/output pins are microcontroller pins you can set in software to read signals, switch devices on and off, or connect to peripherals. The number of GPIO pins matters because it limits how many buttons, LEDs, sensors, and other parts you can wire directly to the board.
- Headers
- Rows of connector contacts on a fixed pitch (commonly 2.54 mm) used to link a board to a breadboard, jumper wires, or another board. They come as male pin headers and female socket headers; when a module ships with pre-soldered headers it can be used straight away, whereas bare pads require soldering the pins yourself.
- M2.5
- A metric screw thread size with a 2.5 mm nominal diameter. It matters for mounting because screws, standoffs, and holes must use the same size to fit securely without damaging the board.
- motor driver
- An electronic circuit that lets a low-power controller switch and control a motor that needs more current than the controller pins can safely provide. Checking motor driver support matters because pumps and motors usually cannot be connected directly to a microcontroller output.
- PWM
- Pulse Width Modulation is a way for a digital pin to simulate variable output power by switching on and off very quickly. It matters for controlling things like LED brightness, motor speed, or servo-style signals from a microcontroller pin.
- through-hole
- A mounting style where the component leads pass through holes in a circuit board and are soldered on the other side. Through-hole parts are often easier to handle and solder by hand, which is useful for classroom and hobby projects.
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