Put your Pi Pico to use and measure some sounds with Shahbaz Hashmi Ansari’s Portable Decibel Meter instructable.
I build a portable Decibel Meter using Raspberry Pi Pico and a high-precision INMP441 I2S MEMS microphone. The device measures real-time sound levels, displays them on an OLED screen, and runs completely standalone with a battery-powered design.
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