Microcontroller › 8051 › AUTOMATIC ROOM LIGHT ON / OFF WITH THE PRESENCE OF HUMAN › hallo,according to me for
August 29, 2013 at 7:25 am
#10385
Participant
hallo,
according to me for motion detection PIR sensor would be the best option..
check out the following link
http://www.ladyada.net/learn/sensors/pir.html
this will give you good idea bout working and interfacing of PIR..