This motor driver shield and its corresponding Arduino library make it easy to control a pair of bidirectional brushed DC motors with an Arduino or compatible board such as the AStar 32U4 Prime. The board features Texas Instruments DRV8835 dual Hbridge motor driver IC which allows it to operate from 1.5 V to 11 V and makes it particularly well suited for driving small lowvoltage motors. The shield can deliver a continuous 1.2 A per channel and tolerate peak currents up to 1.5 A per channel for a few seconds and the channels can be optionally configured to run in parallel to deliver twice the current to a single motor. The shield ships fully populated with its SMD components including the DRV8835 driver and a FET for reverse battery protection; header pins for interfacing with an Arduino and terminal blocks for connecting motors and power are included but are not soldered in.
DualHbridge motor driver: can drive two DC motors or one bipolar stepper motor
Motor supply voltage: 1.5 V to 11 V
Logic supply voltage 2 V to 7 V
Output current: 1.2 A continuous (1.5 A peak) per motor
Motor outputs can be paralleled to deliver 2.4 A continuous (3 A peak) to a single motor
PWM operation up to 250 kHz (ultrasonic frequencies allow for quieter motor operation)
Two possible interface modes: PHASE/ENABLE (default one pin for direction another for speed) or IN/IN (outputs mostly mirror inputs)
Shield can optionally power the Arduino base directly when motor supply voltage is suitable
Arduino library makes it easy to get started using this board as a motor driver shield
Arduino pin mappings can be customized if the default mappings are not convenient
Reversevoltage protection on motor power supply
Undervoltage lockout and protection against overcurrent and overtemperature
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