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.

Once you get these sensors, all you have to do is interface them with your Raspberry Pi and use software like Home Assistant or OpenHAB to run automations based on the sensors' readings.

A Raspberry Pi-powered sensor can help you detect inaudible sounds from your surrounding area. Written by Liam Tung, Contributing Writer. Contributing Writer. March 23, 2018 at 5:36 a.m. PT.

Image: Raspberry Pi. Raspberry Pi has announced a new collaboration with Lego, which will enable users to integrate a whole new range of sensors, motors and other special pieces into their creations.