Sensitive Fire Alarm


Very sensitive. Detects Fire from a distance of 2 meters in a dark room. Beeps loudly till Fire ceases. Since it is detecting Infrared rays, it can be also used as a TV Remote tester.
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Power status LED


Two LEDs indicate the power on and off status of bread board power . So it helps to confirm whether the positive and negative rails of the bread board are getting power. Green LED lights at power on and turns off after 3 seconds. Red LED turns on at power off and turns off after 3 seconds. Let us see the circuit

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