This project aims to emulate unbranded Chinese RGB LED strip remote using Raspberry Pi, Arch Linux, IR LED, and LIRC.
This is the remote control we are trying to emulate. It has 24 buttons.
Any version of Raspberry Pi will do.
- Q1 - NPN Bipolar Transistor. S9014 or similar.
- L1 - IR LED
- R1 - 220 Ohm resistor
Most of the Pi's GPIO port can be used. This project assumes that GPIO port 22 is used.
Steps need to be done:
- Install LIRC
- Enable the lirc-rpi module
- Add the remote configuration file
Install LIRC. On Arch Linux, use this command:
pacman -S lirc
After installation, LIRC can be configured
Open the /etc/lirc_options.conf file and add lirc_rpi in the modules field. So the line should be:
modules = [lirc_rpi]
Save the file.
Copy the remote file etc/lirc/nec-rgb-led.conf to the remote include directory. In Arch Linux, this directory is /etc/lirc/lircd.conf.d
Open /boot/config.txt file and add the following line:
dtoverlay=lirc-rpi,gpio_out_pin=22,gpio_in_pin=13
If necessary, modify the gpio_out_pin value to match the GPIO being used.
Port 13 is the default GPIO IN setting. This project does not require it, so it can be left as is.
After saving, reboot the Raspberry Pi. If everything is properly configured the ls /etc/lirc0 will not return a file not found error.
Note: More information about Device Tree Overlay is available here.
First, make sure that LIRC daemon is started.
systemctl start lircd
Note: Run systemctl enable lircd to start LIRC on boot.
After LIRC is started, send signals using the following command:
irsend SEND_ONCE RGBLED <COMMAND NAME>
List of the commands can be found in the remote configuration file.
This project made possible information provided by various sources:
- Template and protocol configuration for the remote was found on this forum thread. Note: the remote codes posted there are different from the this particular remote model
- Remote codes were found here.