Elecrow hit Kickstarter with an electronics learning lab-in-a-box based around the Raspberry Pi. A 2nd generation crammed the lab into a laptop form factor. The CrowPi 3 "playground for programming, ...

Without any delays, here are the best Phones with Ultrasonic Fingerprint Sensors (June 2025) that make the cut: ...

🛠️🌍 Wi-Fi controlled four-wheeled scout vehicle using dual Arduino Uno R4 boards, ultrasonic sensor, turret rotation, and LCD display for real-time obstacle detection.

The Smart Door Alert System is a home security project built with Arduino that uses an ultrasonic sensor to detect how close someone is to your door or window. It uses LEDs, a buzzer, and a flashing ...

Labeling bottles manually takes a good chunk of time and effort. Addressing this, the YouTube channel Easy Home Made Projects has developed a DIY automatic labeling machine using an Arduino Nano, a ...

Abstract: We present a low-power gas sensor design based on a capacitive micromachined ultrasonic transducer (CMUT), for use on self-powered wearable platforms. Earlier a CMUT-based sensor, with 70-mW ...

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A pocket-size ultrasonic bladder-volume sensor has been constructed and tested with successful results. This paper describes the sensor and presents results from its use on healthy volunteers.