magvitron
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magvitron submitted a new article:
Smart Room Power Controller - An ordinary automatic room power control circuit has only one light sensor. So when a person enters
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Smart Room Power Controller - An ordinary automatic room power control circuit has only one light sensor. So when a person enters
An ordinary automatic room power control circuit has only one light sensor. So when a person enters the room it gets one pulse and the lights come 'on.' When the person goes out it gets another pulse and the lights go 'off.' But what happens when two persons enter the room, one after the other? It gets two pulses and the lights remain in 'off' state. The circuit described here overcomes the above-mentioned problem. It keeps a tab on the number of people enters the room and number of people...
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