Phone Tone Decoder for Arduino & Other Microcontrollers
Compact sensor sized board for decoding DTMF phone tones from any audio sourse. Ideal for remote control applications. Uses the MT8870 all-n-1 IC. 4 outputs corresponding to the HEX binary code for the 4X4 (0-9, A-D, * and #). 3.5mm input jack for the audio, 1X9 0,1” pitch header for power & all signals. LEDs on all Outputs. Sample software available at http://arduinobasics.blogspot.com, www.arduino.cc.en and others on-line. L: 1-1/16” W: 15/16” H: 1/2” WT: .01
