mq-02 detect smoke and alert to mobile app
mq-02 detect smoke and alert to mobile app ,then the sound level from buzzer and the brightness from led 10mm depend on the level of volt which receive value from map funciton of arudino , the arduino reading from MQ2 sensor respectively
mobile app receive value form bluetooth,display a sensor value if a value more than a threshold value then sound and vibration with red color of text box.you can take picture for a hazard place.
thanks for watchiing.
link aia file, apk file , ino file
https://drive.google.com/folderview?id=0BzjoxIwEMrM-NE9aWnotdGFuZVU&usp=sharing
ai2 block image
https://drive.google.com/file/d/0BzjoxIwEMrM-MEx2TGxSODFPdDg/view?usp=sharing
credit
http://www.arduinoall.com/product/274/passive-buzzer
http://ai2.appinventor.mit.edu/
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