here "automation" is used for automating only lights and fans.
the infra red(IR) sensor will sense the person's incoming\outgoing and will send a signal to the avr to take respective actioni.e. switching on\off the power through a relay.
because i already have a pair of IR sensors with me;so there is no need to add further cost to such college projects..:-D
but will a PIR sensor work better than IR sensor in my case???
if its functioning is somewhat better than the IR sensors , then i will consider that option also...
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