Raspberry Pi 4B Electronics Book Updated

Hello Everyone,

The Raspberry Pi 4B Electronics book has been updated to version 3.1 (July 2020).

This is a free update to those who have purchased version 3.0 of the book.

Updates to this version include:

-Updated quickstart instructions with new link to pigpio library
-Updated Is a package installed instructions
-Updated purge program instructions
-Updated 555 timer interrupt library wording in book
-Removed wiringPi reference in Chapter 21
-Replaced SetupGPIO command in book for gpioInitialise pigpio command
-Updated old references from 3B+ to 4B Raspberry Pi
-Created Example 24-6 which has optimized code for a stepper motor driver which is quick and allows smooth motor movement on the OSEPP STEPD-01.
-Fixed grammatical errors.
-Removed Dim and replaced with Var in examples
-Created Example 24-7 with optimized timing code for Stepper motor with DRV8833 and NEMA 17.

These examples work with the pigpio wrapper for Xojo.

This ebook is a pdf formatted document and all examples include Xojo code. This is one of many books which can be purchased at Xojo Library. More information about this book is available at: Raspberry Pi 4B Book.