Various Projects Find Hidden SDR Capabilities in ESP32 Microcontrollers
Several projects have discovered that ESP32 microcontrollers contain built‑in software‑defined radio (SDR) functions that were previously undocumented. Researchers and hobbyists have demonstrated the ability to use the chip’s radio hardware for low‑power, wide‑band communication, opening new possibilities for IoT devices. The findings highlight the ESP32’s versatility and encourage further exploration of its radio capabilities. These insights may influence future firmware updates and third‑party development.