🔊 Noval Aryansah built a wireless noise monitor where our XIAO ESP32-C3 drives the display. A MAX4466 mic node sends sound levels over ESP-NOW (no router), and the XIAO shows a live bar plus "NOISE!" alerts on an LED matrix..
Check it out on @hacksterio.bsky.social 👉 tinyurl.com/3h3uytfw
