phoneDTMF

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Working with Ham Radio rather than Telephone

6

I've put the example programs on an ESP3866 Mini, connected to a handheld walkie-talkie. The radio is receiving DTMFs from a transmitter. I scoped the output from my radio jack...

KDMcMullan

maxFrequence returned by nano 2890

9

this is the same 328 chip as uno ? readme says i need 6000. what gives ?? (thanks)

hayden-t

Question about phoneDTMF with ESP32 and POTS project from 2019

6

Hello Adriano, this is not an issue related to this repo, but I've read [this old comment of yours on Arduino forum](https://forum.arduino.cc/t/connect-arduino-to-analog-telephone-like-a-fxs/326874/11) and I'm really interested in what you did...

Virgus