Use a Common Anode RGB LED
This is a quick tutorial on how to fade between colors with an Arduino and Common Anode RGB LED.
This is a quick tutorial on how to fade between colors with an Arduino and Common Anode RGB LED.
This simple project uses ultraviolet light to detect counterfeit $5, $10, $20, $50 and $100 US bills.
Using a light sensor, some wire, and LEDs you can easily create an automatic night light that will turn on when you turn off the lights.