Electronic Circuits

DIY Night Activated LDR Sensor Circuit Using LEDs & Light Dependent Resistors

This electronics video tutorial explains how to create a night activated LDR sensor circuit using light dependent resistors. This circuit turns on a green LED in the dark. The green LED turns off when light shines on the LDR. It also explains how to create a light activated LDR circuit that causes the LED to turn on when the main light is on.

Here are some other videos:

How To Make an Electromagnet:

Full Wave Bridge Rectifiers:

Crookes Radiometer:

Homopolar Motors Compilation:

Voltage Booster Circuit:
https://www.youtube.com/watch?v=2-JH80yq–s