Before humans discovered ultrasound for a variety of medical, technical and military applications, nature had perfected it over millions of years for navigation under and above water. Dolphins and ...

I need to create a low-cost ultrasonic transducer driver with a mosfet push-pull transformer interface that can be synced to an external clock. The driver needs to have anti-cross-conduction mosfet ...

Quadcopter type drones can be flown indoors, but unless you have a lot of space, it usually just ends in a crash. The prospect of being hit in the face by the propellor blades, spinning at 10k RPM ...