LED light chaser
LED
POV Display with Maker Uno
APA102 vs SK6812 – Which LED strip to use?
Scrolling text with flexible 32×8 RGB LED Matrix
Simple Electronic Compass
Controlling RGB LED using Bluetooth Bee
LED switcher using a DPDT Relay and a potentiometer
Arrays with a 7-segment LED display
Light intensity indicator with 7-segment LED display
LED Light intensity indicator