Motor Driver

A4990 Dual Motor Shield - 0.6A

ARDMD-002512


This small shield is an easy, economical way to control two small brushed DC motors with an Arduino or Arduino-compatible board. Its integrated A4990 dual motor driver operates from 6 V to 32 V and can deliver a continuous 0.65 A to each motor channel, making it a great control option for low-current motors that run on high voltages. The A4990 is configured to limit the peak motor current to about 0.9 A per channel and is protected against reverse-voltage, under-voltage, over-voltage, short-circuit, and over-temperature conditions.

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CAD$16.25

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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. The board features Allegro’s A4990 dual H-bridge motor driver IC, which operates from 6 V to 32 V. It can deliver a continuous 0.65 A to each motor channel, and the current control feature of the A4990 limits the peak motor current to about 0.9 A per channel with the onboard sense resistors, making this shield well suited for low-current, high-voltage motors.

Features

  • Dual-H-bridge motor driver: can drive two DC motors or one bipolar stepper motor
  • Motor supply voltage: 6 V to 32 V
  • Logic supply voltage 2.5 V to 5.5 V
  • Output current: 0.65 A continuous per motor
  • Current control limits peak current to 0.9 A per motor
  • Can work with ultrasonic (> 20 kHz) PWM frequencies, which allows for quieter motor operation
  • Shield can optionally power the Arduino base directly when motor supply voltage is suitable

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A4990 Dual Motor Shield - 0.6A

This small shield is an easy, economical way to control two small brushed DC motors with an Arduino or Arduino-compatible board. Its integrated A4990 dual motor driver operates from 6 V to 32 V and can deliver a continuous 0.65 A to each motor channel, making it a great control option for low-current motors that run on high voltages. The A4990 is configured to limit the peak motor current to about 0.9 A per channel and is protected against reverse-voltage, under-voltage, over-voltage, short-circuit, and over-temperature conditions.

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