by adding custom code for the latter, no need to do anything for receive
plenty of digital and PWM LEDs are supported by default. if you want to make PWM RGB default LED type add -D DEFAULT_LED_TYPE=TYPE_ANALOG_3CH -D DATA_PINS=1,2,3
Thanks for your reply. I am complete beginner at this point and I am just working out the questions to ask. With respect to your first answer, where would the custom code be called and how/where is the serial port specified.