Remote Control Home Appliances System by KitsGuru.com | LGKT046
Автор: KitsGuru
Загружено: 2015-08-10
Просмотров: 42374
Описание:
This kit Remote Controlled for Home Appliances (http://www.kitsguru.com/mini-projects...) can be connect to any of your home appliances (lamp, fan, radio, etc) to make the appliance turn on/off from a TV, VCD or DVD remote control. The circuit can be activated from up to 10 meters.
In the kit Remote Controlled for Home Appliance the 38 kHz infrared (IR) rays generated by the remote control are received by IR receiver module TSOP1738 of the circuit. Pin 1 of TSOP1738 is connected to ground, pin 2 is connected to the power supply through resistor and the output is taken from pin 3. The output signal is amplified by transistor (BC558).The amplified signal is fed to clock pin 14 of decade counter IC CD4017. Pin 8 of IC CD4017 is grounded, pin 16 is connected to Vcc and pin 3 is connected to LED (red), which glows to indicate that the appliance is ‘off.’ The output of IC CD4017 is taken from its pin 2. Second (green) connected to pin 2 is used to indicate the ‘on’ state of the appliance. The signal output is fed to the relay driver which in turn drives the relay unit. The appliance to be controlled is connected between the pole of the relay and neutral terminal of mains .It gets connected to live terminal of AC mains via normally opened (N/O) contact when the relay energizes.
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