The project is completely open source and based on a Raspberry Pi base station which connects to ESP32 based sensor nodes and online services to nicely present the data on a 7″ touch screen display.

A Raspberry Pi-powered sensor can help you detect inaudible sounds from your surrounding area.

Raspberry Pi enthusiasts or those looking to learn a little more about the awesome mini PC and supported components, may be interested in a new list of 50 of the most important sensors and ...