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Hacker taps Raspberry Pi to turn Wi-Fi signals into wall art

Pipe local wireless noise through an SDR into an RPi, and 64 LED filaments do the rest Unless you live in a Faraday cage, you're surrounded at all times by invisible radio signals, from Bluetooth and ...
Circuit Digest

ESP32 Text-to-Speech Using Wit.ai

Navigate to the Management section and click on Settings. Look for the HTTP API section where you'll find your Server Access ...