Easily build a photocell

Use photocells to turn off or turn on automatic street lamps, large gardens, yards, etc.
Is

required pieces:
5 volt relay
LDR sensor
Transistor BC547
 And 10 kOh potentiometer

Warning: Due to the fact that we are dealing with direct electricity, be sure to follow the safety tips
Use insulated gloves when working. Finally, isolate the circuit after finishing work

I hope you enjoy this tutorial. Subscribe to our channel for more tutorials

Our Instagram page address
Instagram: fotufan