Redmi K90 Pro leak reveals Snapdragon 8 Elite 2, periscope camera, ultrasonic fingerprint sensor, and 2K OLED display; expected to launch in China this October.

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

As per the leak, the Vivo X300 Pro Mini may feature a 6.3-inch flat OLED screen with a 1.5K resolution and an ultrasonic in-screen fingerprint sensor.

Ultrasonic waveguide techniques are most familiar to monitor temperatures in the hostile environments. A single waveguide could be used as multiple sensors. In the present work, a thin strip waveguide ...

This project uses an ultrasonic sensor to detect when a person’s hand is near the dustbin. If the distance is less than 50 cm, a servo motor opens the lid automatically, waits for a few seconds, and ...

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