How to make motion detector light / switch

A

arghya139

Broken In
I want to light up my stairs with a motion detector light or switch to start the lights when somebody walks up or down.
Any guide or tutorial available out there that could help me with it ?
like this : *www.youtube.com/watch?v=PZVizaSaaK8
helps are appreciated, regards
 
H

hotshot05

I luv Digit
Use a PIR sensor.

Go to Chandni and search for it at Haque electronics, REC, Vishnu, Gemini Radio etc.
Should cost around Rs.300.

You have to connect its output to a relay. Use transistor to drive the coil of the relay.
 
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