The ESP32 is a microcontroller that provides an API for Bluetooth A2DP which can be used to receive sound data e.g. from your Mobile Phone and makes it available via a callback method. The output is a ...

Anybody with a workspace knows that fighting dust and debris is a constant battle. A DYI cyclone dust collector can help.

Researchers have developed a new methodology they hope will improve the modelling of the impact of different types of dust on PV performance.

Exhaust isn't the only impact of cars, they also emit tiny brake particles. Thru regen braking, EVs reduce that (but bikes ...