You can reference any existing python file in pyledserver/plugins to get an idea on how the structure should be. Pull requests are welcome. For major changes, please ...
useful link for circuit: https://raspberrypi.stackexchange.com/questions/120494/how-do-i-connect-a-raspberry-pi-to-ws2811-led-lights-through-gpio18-pin useful link ...
While the Raspberry Pi has very good support for an I2C bus, a lot of very cool chips – including the in system programmer for just about every ATtiny and ATmega microcontroller – use an SPI bus.