When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described ...

At CES, we saw fancy radar that images almost as clearly as lidar, lidar almost as cheap as radar, and a way to make the ...

This project utilizes an Arduino Uno CH340G development board paired with a DHT11 temperature and humidity sensor to create a compact yet capable environmental monitoring system. It measures ambient ...