Hello fox. Have you ever thought how public light autocratically turn on and off? or how your smartphone light automatically shine in darkness and turn down at bright light? well this is because of something call light sensor.
In this video, I am going to show you how to use a light sensor to turn automatically on and off a light bulb.
Please enjoy, watch, like & subscribe
Components:
Photo resistor (light sensor) = https://rb.gy/tkbn5d
220 ohm resistor
Arduino nano = https://rb.gy/8zgup7
Relay= https://rb.gy/dam9wf
code= https://docs.google.com/document/d/1c...