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 ...
Update March 4: The first phones with ultrasonic in-display fingerprint sensors, the Samsung Galaxy S10 and S10 Plus, are now on sale. Original story: It’s day one of Qualcomm’s annual Snapdragon Tech ...
Qualcomm is being coy and not telling us everything about its new Snapdragon 855 chipset yet, but it did dig into its new ultrasonic fingerprint sensor a bit. While that might not sound like the most ...