CM3-Home

Infrared remote control

This article illustrates how to use the 38 kHz infrared receiver available on the CM3-Home full edition

config.txt setup

To enable the use of IR receiver add these lines to the /boot/config.txt file:

#Enable the IR Linux driver
dtoverlay=gpio-ir,gpio_pin=20

Read the IR code received

After boot install the ir-keytable package:

sudo apt-get update
sudo apt-get install ir-keytable

Set the IR remote control type you want to use (in this example RC-5):

sudo ir-keytable -p rc-5

then:

ir-keytable -t -v

Now point you remote control and read the code received.

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Sergio Tanzilli
System designer, software developer and company co-founder
tanzilli@acmesystems.it
Webpages: https://www.acmesystems.it and http://www.tanzolab.it
Github repository: https://github.com/tanzilli and https://github.com/acmesystems