For [Jianjia Ma]’s QingStation, he decided to build another type of wind sensor: An ultrasonic anemometer. Ultrasonic anemometers have no moving parts but come at the cost of significantly more ...

Most often ultrasonic transducers are used for distance measurements, and in the DIY world, usually as a way for robots to detect ... he turned an Arduino Pro Micro into a USB sound card which ...

Autonomous mobile robots (AMRs) must be able to survey their surroundings in real time and make decisions based on what’s ...