Here are some DIY LDR switch circuits available on our website and the web. LDR switches are used to switch a relay or other device when light are present or absent. LDRs or Light Dependent Resistors ...

The scientists are going to show us how electrical energy flows around an electrical circuit. Title: Circuit symbols This is what a battery looks like as a circuit symbol. Electricity can travel ...

This circuit is build around a 555 timer configured in monostable mode. This is a circuit which helps in ON or OFF a device automatically by just touching a pad without moving from the sitting ...