ESP-SDR uses undocumented raw I/Q capture of ESP32 to make software defined radios

ESPARGOS’ Florian Euchner has published ESP-SDR on GitHub, firmware that turns the ESP32’s built-in 2.4 GHz Wi-Fi radio into a software defined radio (SDR). It captures raw I/Q samples from the receiver, so the spectrum can be viewed and signals studied beyond ordinary WiFi packets. No separate SDR…

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