Bidirectional rotary motion of a millimeter-scale traveling wave ultrasonic motor is demonstrated using solution-deposited thin-film lead zirconate titanate and wafer-scale microelectromechanical ...

In recent years, with the deepening ocean exploration, autonomous underwater vehicles (AUVs) are in great demand for ocean data collection, marine rescue, underwater communications, environmental ...

This project uses an ultrasonic sensor and servo motor with a Raspberry Pi to automatically detect nearby objects and open/close a trash bin lid. Ideal for smart homes, hygiene automation, or IoT ...

After downloading the library, load the MQ7_Example.ino example sketch onto your device, with analog out connected to A2 GND connected to GND Vin connected to 5V Upload the sketch, and then monitor ...