Install the rpi-rgb-led-matrix following this article HAT-A3 - Led RGB controller for Raspberry Pi
Test the HAT-A3 board and RGB panel from command line with this commands:
If you are ssing a LEDRGB-05 Indoor 64x64 P.3.91 pich type:
sudo ./led-image-viewer --led-rgb-sequence=GBR --led-rows=64 --led-cols=64 --led-multiplexing=1 --led-slowdown-gpio=2 twitter.png
If you are using two LEDRGB-05 Indoor 64x64 P.3.91 pich type:
sudo ./led-image-viewer --led-rgb-sequence=GBR --led-parallel=2 --led-rows=64 --led-cols=64 --led-multiplexing=1 --led-slowdown-gpio=2 -C pattern_128x64.png
If you are using a otdoor 64x64 P.3.91 pich type:
sudo ./led-image-viewer --led-rgb-sequence=RGB --led-rows=64 --led-cols=64 --led-multiplexing=1 --led-slowdown-gpio=2 twitter.png
Type at command line prompt:
bash <(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered)
Enable the systemd service by typing:
sudo systemctl enable nodered.service
Then start it:
sudo systemctl start nodered.service
RedBot is a collection of Node-red nodes to implements a telegram Bot
npm install node-red-contrib-chatbot
Open your browser on http://raspberrypi.local:1880 and import this flow:
Insert yout Telegram Token and send message, photo, video and animation to your RGB panel.