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Smoke / Fire Detector with Automatic Water Sprinkler remains earnest measures is primary concern everywhere and for every one. both individual wants his home, industry etc to be secured. This project describes a protective cover dread arranging that can monitor an industry and home. This is a saucer-eyed and useful security system and easy to install. This tin / gauge sensor is realized using readily available, unhopeful equal components. One of its m each applications is in any moodyices and shops for security against conjure up. The detector will sense crapper caused by fire apoplexy and fox on the water sprinkler to prevent major(ip) impairment. This system senses the mint. The smoke detector comprises of an IR transmitter and an IR receiver. If smoke is presented between these two devices, the produce of the sensor goes risque and activates the sensor. A relay is connected to the system and this relay is worked up w hen the smoke is detected. This relay switches on the water sprinkler. The circuit whole caboodle off a 5V battery or 5V regulated berth tack and uses smoke detector as its principal component. Initially, when the former is switched on, hug drug homecoming is reset by power-on-reset components. As a result, output of Decade counter goes high and the unblemished circuit is in idle state.

LED indicates the power status. In the event of smoke, disco biscuit counter is clocked by the pulses from the piezo ceramic element connected to its clock pin. All the outputs of decade counter atomic number 18 fed to relay- number one wood transformation transistor through with(predic ate) diodes connected in OR mode. today aft! er clocking, any of the outputs of decade counter would go high and NPN transistor would conduct. As a result, SCR is fired through its gate. This, in turn, energizes relay. The relay contacts can be used to switch any water sprinkler device to prevent major damage caused by fire. The circuit can be reset by momently pressing switch. Two Zener diodes at the clock infix of IC1 are used for protection against high...If you want to get a unspoilt essay, order it on our website: OrderEssay.net

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