the best is to go for some pir ( passive infra red sensors ) these can be connected to any electronic equipments ..... i have used them in my house .... and its used to turn on lights and to turn on an alarm in case some intruder steps inside our compound ..... it has auto turn off facility during dday light hours ......it cost around 700 - 1800 rs indian rs .... divide by 40 and ull get in dollarsI want to install motion detector in my home please advise me to select the device at reasonable rate?
I have several motion sensors, doing different things like turning on lights and ringing chimes.In the US they can be purchased from RadioShack, or as I did, from X10. You can find both on the Internet.
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