Overview, A. features – Pololu Dual VNH5019 User Manual
Page 2
Pololu dual VNH5019 motor driver shield
for Arduino.
Pololu dual VNH5019 motor
driver shield, assembled and
connected to an Arduino Uno R3.
1. Overview
This user’s guide focuses on the
of the Pololu dual
VNH5019 motor driver shield, but most of the
information also applies to the earlier
version. See
for details about the differences between board revisions.
The
and its corresponding Arduino
library make it easy to control two bidirectional, high-power DC
motors with an
or
Arduino clone. The board features a pair of robust VNH5019 motor
drivers from ST, which operate from 5.5 to 24 V and can deliver a
continuous 12 A (30 A peak) per channel, and incorporates most of the components of the typical application diagram
on page 14 of the
(629k pdf),
including pull-up and protection resistors and FETs for reverse battery protection. It ships fully populated with its
SMD components, including the two VNH5019 ICs, as shown in the picture to the right; stackable Arduino headers
and terminal blocks for connecting motors and motor power are included but are not soldered in.
This versatile motor driver is intended for a wide range of users, from beginners who just want a plug-and-play motor
control solution for their Arduinos (and are okay with a little soldering) to experts who want to directly interface with
ST’s great motor driver ICs. The Arduino pin mappings can all be customized if the defaults are not convenient, and
the VNH5019 control lines are broken out along the left side of the board, providing a convenient interface point for
other microcontroller boards. This versatility, along with an option to power the Arduino directly from the shield, sets
this board apart from similar competing motor shields.
1.a. Features
Pololu Dual VNH5019 Motor Driver Shield User’s Guide
© 2001–2014 Pololu Corporation
1. Overview
Page 2 of 28