and other applications that currently use electronic circuits, based on light. While electronic circuits use electrons to transmit information, optical circuits rely on photons to do the same thing.

It's a simple string of miniature light bulbs, with some wiring inside that connects everything together. Holiday light companies use various methods to make their string lights. Taizhou Haoran ...

When the ambient light levels drop far enough, the resistance on the reset pin increases, and the 555 timer breaks out of its reset loop. This causes the circuit to power on whatever is connected ...