Wanna try to become the new super stylish 2020s drummer?
by Andrea Richetta
This project produces an audible warning with LED buzzer ISD1820 output when KY-037 input signal is over the limit.
Simple, easy to build 2 x 14 bars stereo VU meter for representing audio level.
This tutorial shows how to detect noise level though the mic in your smartphone.
by Amr Saleh
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