Abstract: This paper provides details about the design and operation of a Collision Avoidance System in smart cars, with the Arduino board as the central control unit, interfaced with an ultrasonic ...

The sendEmail () function is responsible for triggering the email alert when an object is detected. A secure Wi-Fi client is ...

A new technology has been developed that enables cuffless non-invasive blood pressure monitoring by using ultrasonic to track real-time changes in vascular diameter—without the need for a traditional ...

With Christmas a little over two weeks ago, one might be scrambling to find a gift for a loved one, friend, or family member. If you’re familiar with Arduino or Raspberry Pi and have a free weekend, ...

I built a mini radar system using Arduino UNO, HC-SR04 Ultrasonic Sensor, and SG90 Servo Motor, paired with a JavaScript-based visualization dashboard 🖥️. The servo sweeps from 0° to 180°, collecting ...

This is an Internet of Things project created using Raspberry Pi to monitor the water level in a water tank and update a Web GUI or dashboard which can be monitored ...

Google is upgrading the ultrasonic fingerprint biometric sensor for its latest flagship smartphone release. In 2024 the Google Pixel 9 featured an ultrasonic fingerprint sensor for the first time, ...

Sonair’s 3D ultrasonic sensor uses acoustic detection and ranging (ADAR) to enable 360° obstacle detection up to 5 meters. Each ADAR sensor offers a 180×180° field of view, allowing autonomous mobile ...

Biometric security — the ability to unlock your phone with your fingerprint or face — is an amazing feature, but you often have to turn on the phone’s screen before you can use it. That’s because many ...

Nathan is a tech journalist from Canada who spends too much money on gadgets. You can find his work on Android Police, Digital Trends, iMore, Mobile Syrup and ZDNET. Nathan studied journalism at ...