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    ESP32 Microcontrollers Found to Hide Undocumented SDR Capabilities▼Various Projects Find Hidden SDR Capabilities in ESP32 MicrocontrollersYhnScienceSpace Policy15011 min ago

    Multiple independent projects have discovered hidden software-defined radio capabilities in the ESP32 microcontroller, the cheap chip widely used in hobbyist and commercial electronics. The finding, reported by RTL-SDR.com, suggests the ubiquitous chip can receive radio signals well beyond its advertised features, opening new low-cost options for wireless experimentation and hacking. Developers are sharing techniques and demos as the community tests how far the undocumented hardware can be pushed.