If this is something you want to make? see here, https://www.hackster.io/fablabaq/led-... also
let it know below in the comments, so I can make a video on how to make, order and solder this LED Badge. It is an easy build and a CHEAP one. For the Arduino fanatics is this video already everything they need to know but for a novice or beginner, this needs
more explanation, but still easy to make after that.
The ATtiny13 is the smallest and cheapest Atmel AVR 8-bit microcontrollers and it's loaded with sophisticated peripherals such as two 8-bit PWM channels and 4 channels 10-bit ADC.