We had a light bulb in home that would turn on when clapped with hands. This was long non functional however.
Yesterday I thought of seeing what was inside.
There were few useful electronic components I could use for the projects.
It had a microphone and a photoresistor. I understood how it worked. The light would only turn on during the night when the room was dark. The microphone was used to detect the clap and the photo resistor was used to detect the darkness of the room.
Here is the demonstration of how a photoresistor works.
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