Adafruit
Adafruit DRV8833 DC/Stepper Motor Driver Breakout Board
The Adafruit DRV8833 is a dual H-bridge motor driver breakout, capable of driving two DC motors bidirectionally or one bipolar/unipolar stepper motor at up t...
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The Adafruit DRV8833 is a dual H-bridge motor driver breakout, capable of driving two DC motors bidirectionally or one bipolar/unipolar stepper motor at up to 1.2 A per channel. It's well suited for low-voltage applications, operating from 2.7V to 10.8V motor power.
The DRV8833 features built-in kickback diodes, eliminating the need for external flyback protection. Adjustable current limiting is included — set to 1 A by default, but configurable or disableable. Two digital inputs per H-bridge allow PWM speed control. Motor voltage and logic voltage share a single supply, but logic levels of 2.7V and above are accepted regardless of motor voltage.
Key Features
- Dual H-Bridge – Drive 2× DC motors or 1× stepper motor
- 1.2 A Per Channel – 2 A peak (short duration)
- 2.7V–10.8V Motor Power – Ideal for low-voltage applications
- Built-In Kickback Diodes – No external flyback protection needed
- Adjustable Current Limiting – Default 1 A, configurable or disableable
- PWM Speed Control – Two digital inputs per H-bridge
- Polarity Protection – FET on motor voltage input
Also Available
- DRV8871 DC Motor Driver – 3.6 A, 6.5–45V (higher voltage and current)
Ideal For
- Small robotics and motorised projects
- Low-voltage battery-powered motor control
- Stepper motor applications
- Educational and prototyping projects
Package Contents
- 1× DRV8833 motor driver breakout board (assembled and tested)
- 1× Header strip (soldering required)
Jargon buster
Plain-language definitions for the technical terms used above.
- breakout
- A breakout board carries a small or fine-pitched component and brings its connections out to standard, breadboard- and header-friendly pins. Describing a part as a breakout means it can be wired into a project without soldering directly to the component's tiny contacts.
- 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.
- flyback protection
- A protection method used with coils such as relays, solenoids, and motors to absorb the voltage spike created when the coil is switched off. Adding a diode for flyback protection helps prevent damage to transistors, microcontrollers, or other control electronics.
- 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.
- 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.
- Terminal block
- A terminal block is a connector that joins wires together in a neat, removable, or serviceable way, usually clamping each wire under a screw or spring instead of soldering. It makes it easier to connect, change, or service wiring without permanent joints.
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