When light intensity high on ldr the resistance through it decrease and when light intensity is low on ldr then the resistance through it will increase and go very high.
Light sensor on off switch circuit.
This switch type is widely popular.
20 led running light circuit.
4 2 out of 5 stars 764.
A simple touch on and off switch circuit.
Dark light activated circuit using ldr.
The dark sensor circuit is very useful to automatic switch on and off any appliance by detection of light and dark.
Automatic evening on to morning off light.
The light sensor circuit is a simple electrical circuit which can be used to control the switch on and off electrical load appliances like lights fans coolers air conditioners street lights etc automatically.
Ldr is a photoresistor that is used for the detection of light.
Just use your finger to touch them only also can turn on off circuit.
By using this light sensor circuit we can eliminate manual switching as the loads can be controlled automatically based on the daylight intensity.
8 simple touch switch circuit projects.
Topgreener tsos5 white in wall pir motion sensor light switch occupancy sensor switch on off override single pole fluorescent 500va motor 1 8hp incandescent 500w neutral wire required 1 pack.