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I've been working on a handheld device that interfaces with a ham radio and effectively acts as a modem for HF digital voice (specifically FreeDV). It's basically a ESP32S3 combined with a TI TLV320 codec chip and some C++ code to link it all together (with HTML/CSS/JS for the configuration Web interface). It even has enough horsepower to communicate with a few radios that can trigger TX/RX and send/receive audio over Wi-Fi. :)
I've been working on a handheld device that interfaces with a ham radio and effectively acts as a modem for HF digital voice (specifically FreeDV). It's basically a ESP32S3 combined with a TI TLV320 codec chip and some C++ code to link it all together (with HTML/CSS/JS for the configuration Web interface). It even has enough horsepower to communicate with a few radios that can trigger TX/RX and send/receive audio over Wi-Fi. :)
Here's a link for my youtube playlist. Here's a link for my github folder. Enjoy and feel free to ask me anything.
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