Hardware projects tagged spectrum

Open hardware projects tagged spectrum on BoardRepo. View schematics and PCBs in the browser and download the sources.

Projects

2 boards

ESP32-based real-time audio spectrum analyzer with custom PCB design. Features INMP441 I2S microphone, SSD1306 OLED display, FFT processing, and real-time WiFi streaming to a browser-based visualizer via WebSockets.

schematicpcbbomgerbersESP32USB-CregulatorUSB

No licenseOct 1, 2026

hubalyzer

@horstbaerbel

A spectrum analyzer display for HUB75 RGB LED panels and I2S microphones

pcbbom

MITSep 5, 2026

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