CM Home technical documentation Buy

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 class='acmetable' package:

sudo apt-get update
sudo apt-get install ir-keytable class='acmetable'

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

sudo ir-keytable class='acmetable' -p rc-5

then:

ir-keytable class='acmetable' -t -v

Now point you remote control and read the code received.

Links

Home page CM Home technical documentation Buy