When the HCSR501 motion sensor detect motion, the arduino send a char with blouetooth (HC05/06) to the Arduino phone. When the arduino received char "1" from arduino, make a call to your phone.The android phone can hide anywhere in the range of the arduino bluetooth. The app work when screen turned ...
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planetleakContinue Reading »from Instructables: exploring - technology - robots http://ift.tt/1FFVgVP
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