Don’t forget to try using an Arduino digital pin instead of the VCC pin to control the common anode signal of the LEDs. #include <ShiftOutX.h> #include <ShiftPinNo.h> // Digital pins connected to ...

He used an Arduino, and multiplexed RGB LEDs with some digital potentiometers to create a color mixing keypad. Since we couldn’t fit the complete 4×4 keypad into a standard 2 gang wall box ...

power pin. There is so much you can do with WS2812B addressable LEDs once you learn the basics. However, always remember to choose the correct micro controller (or arduino board) based on the RAM ...

These chips are individually addressable RGB LEDs ... These LEDs are rather big compared to normal, dumb LEDs, measuring 5 mm on each side. Here are WS2812s packed into a 2 mm x 2 mm square ...