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Raspberry Pi 3 Cookbook for Python Programmers - Third Edition
book

Raspberry Pi 3 Cookbook for Python Programmers - Third Edition

by Steven Lawrence Fernandes, Tim Cox
April 2018
Beginner content levelBeginner
552 pages
13h 58m
English
Packt Publishing
Content preview from Raspberry Pi 3 Cookbook for Python Programmers - Third Edition

How it works...

The H-bridge motor controller recreates the previous switching circuit with additional circuitry to ensure that the electronic switches cannot create a short circuit (by not allowing SW1 and SW3 or SW2 and SW4 to be enabled at the same time).

The H-bridge motor controller's switching circuit is shown in the following diagram:

An approximation of the H-bridge switching circuit (in motor off state)

The input (IN1 and IN2) will produce the following action on the motors:

IN1

IN2

0

1

0

Motor off

Motor backwards

1

Motor forwards

Motor off

 

As we did in the previous recipe, we can move forward by driving ...

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Publisher Resources

ISBN: 9781788629874Supplemental Content