XDA Developers on MSN
I gave my ESP32 a second job as an RF analyzer, and now I'm not buying a dedicated spectrum monitor
Peek at the radio frequency activity at home.
A bare-metal ultrasonic radar for the Elegoo UNO R3 (ATmega328P), with a sweep-line GUI on the computer. Everything on the microcontroller is written in plain C against the AVR registers — no Arduino ...
A simple near-field probe that makes electromagnetic interference visible with an Arduino and four LEDs - ShienLie/arduino-emi-sniffer ...
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