VMAC PiHat Test Code DTMF 1

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Create Date January 4, 2018
Last Updated January 4, 2018

HAMKit VMAC PiHat | Test Example Code to Setup the DTMF Decoder (Decimal) v1.1

Test code is suitable for PiHat PCB revision 1.1

When testing decoder, audio input can be between 70 mV and 3V. Ideally line level 1V.

This version of test code displays the binary value as decimal of the decoded DTMF Tone.

Dave Williams G8PUO, January 2018

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