DTMF DECODERS Are used to detect DTMF TONES Genrated by mobile phone DTMF Keypad.In this project we are going to decode the DTMF Tones into 4bit Output and this output is given to the arduino which detects the keypress and displays it on LCD Cicuit Diagram Use the above Circuit Diagram and build ...By: CircuitToday
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from Instructables: exploring - technology - robots http://ift.tt/1HtAv0r
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