I want to make automatic light using PIR sensor. The explanation you gave was very clear but one thing I am not able to understand that how will the light will be off? If person is inside the room what will happen? Please help me out!
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Aswinth Raj
PermalinkHi Anshul,
If you are just planning to make an automatic light to turn ON or OFF some load in your room based on the light intensity of the room. Then I would suggest you to use LDR (Light Dependent Resistor) instead of PIR. This will make the circuit simple and also keep the cost low.
If you get stuck somewhere let us know we will guide you out.
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Joined August 16, 2016 1000Tuesday at 12:29 AM