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Pololu A4990 Dual Motor Driver Shield for Arduino
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.
Compare all products in Shields for Arduino or Brushed DC Motor Drivers or Products with components from Allegro Microsystems.
| Description | Specs (11) | Pictures (8) | Resources (6) | FAQs (0) | On the blog (1) | Distributors (14) |
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File downloads
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Pololu A49990 Dual Motor Driver Shield for Arduino schematic diagram (268k PDF)
Printable schematic diagram for the Pololu A4990 Dual Motor Driver Shield for Arduino.
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A4990 datasheet (301k pdf)
Datasheet for the Allegro A4990 dual full bridge motor driver IC.
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Dimension diagram of the Pololu A4990 Dual Motor Driver Shield for Arduino (236k pdf)
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3D model of the Pololu A4990 Dual Motor Driver Shield for Arduino (6MB step)
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Drill guide for the Pololu A4990 Dual Motor Driver Shield for Arduino (50k dxf)
This DXF drawing shows the locations of all of the board’s holes.
Recommended links
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Arduino library for the Pololu A4990 Dual Motor Driver Shield
This library for the Arduino makes it easy to interface with Pololu’s A4990 Dual Motor Driver Shield and drive a pair of brushed DC motors. It has been explicitly tested with the Uno R3, Leonardo, Mega 2560 R3, Due, and Duemilanove (ATmega328P). A sample sketch is included with the library.
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