This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

The HC-SR04 ultrasonic range sensor is a pretty cool pre-wired module that you actually enjoy using when you start playing with electronics, microcontrollers, and robotics. As you might have noticed, ...

Sponsored by Texas Instruments: These flexible sensors, especially when used with microwave or mmWave radar, can provide different but complementary views of the environs. Ultrasonics refers to ...

The patent, titled “Ultrasonic fingerprint recognition module, system and electronic device” (CN117058725A), details a sensor design that promises improved fingerprint identification accuracy ...