In this project, am going to build a smoke detector sensor using Arduino that not only detects the smoke but also reads the level of the smoke in the air and displays it in the PPM. ...

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And LCD connections are same as Arduino LCD examples that are available in Arduino IDE (12, 11, 5, 4, 3, 2). Remaining connections are shown in the ... which also calculates and displays the level of ...

Arduino Nano is a microcontroller board that is used to perform various tasks in different circuits. The microcontroller that Arduino Nano uses is ATmega328P. We burn a C Code on this board to tell it ...

Here we have used Buzzer as a Smoke alarm, which is driven by BC547 NPN transistor. We have previously built Smoke Detector Arduino Shield using MQ2 Gas Sensor, which not only sense the smoke in the ...