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 Wi-Fi to cellular traffic. French artist Theo Champion has found a way to make that wireless noise visible, with an intense piece of Raspberry Pi-driven art that turns nearby radio activity into light....