While many of us have banished land line telephones from our houses, there are still quite a few people who utilize POTS lines today. These analog phone systems use Dual Tone Multi Frequency (DTMF) ...
This project contains the firmware for the open-source NIMRS-21Pin-Decoder, based on the ESP32-S3 microcontroller. The firmware is built using the Arduino framework on top of ESP-IDF. Low Latency: Use ...
[Colin] wanted a way to reliably control an Arduino via ham radio. One of the easiest methods of automated radio control makes use of Dual-Tone Multi-Frequency signalling. To those who aren’t into ...
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