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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

Sending RF control signals directly

Instead of rewiring the remote control, you can replicate the remote's RF signals using a transmitter that uses the same frequency as your sockets (these particular units use 433.94 MHz). This will depend on the particular sockets and sometimes your location – some countries prohibit the use of certain frequencies – as you may require certification before making your own transmissions:

The 433.94 MHz RF transmitter (left) and receiver (right)

The signals sent by the RF remote control can be recreated using 433Utils created by http://ninjablocks.com. The 433Utils uses WiringPi and is written in C++, allowing ...

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Publisher Resources

ISBN: 9781788629874Supplemental Content