Hacker News new | ask | show | jobs
by bbbbbenji 769 days ago
A while ago, I developed a decibel meter designed like a traffic light for a preschool classroom. The device visually represents different noise levels by changing colors and can also be manually operated via IR remote. I've shared my project, along with several suggestions for its educational use in the classroom, on this here: https://makerworld.com/en/models/186425#profileId-205268