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 ...

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 ...

This affordable smoke/CO detector includes an LCD readout of CO conditions that, ideally, you’ll never need to look at. Price When Reviewed. $29.99 (plus shipping, if purchased direct from X-Sense) ...