Using this simple Christmas LED lights decoration circuit, you can make an 18 LED flasher to decorate the Christmas Tree. The White, Blue and Red LEDs flash at different rates to give a colorful ...

Holiday light companies use various methods to make their string lights. Taizhou Haoran Machinery sells machines that create LED ... entire circuit, which means the entire string of Christmas ...

He says old LED and incandescent Christmas lights are a perfect tool to explore electric circuits. Crosslin also demonstrated how to make a simple circuit light-up Christmas card using a battery ...