I've just come across a no-name non-contact, high-precision 80 GHz mmWave radar sensor for liquid level detection with a 40m ...

As you can probably imagine, we get tips on a lot of really interesting projects here at Hackaday. Most are pretty serious, ...

A new study offers the latest evidence of potential “deskilling” effects on AI users.

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 sensor, LEDs ...

Front Parking Sensors The 2025 Renault Triber facelift now comes with front parking sensors, which basically let you know the distance of any object in front of the vehicle using ultrasonic sensors.

Apple Watch Blood Oxygen Sensor Returns: How to Use It and What It Can Tell You About Your Health The smartwatch's Blood Oxygen app lets you measure the oxygen level of your blood on-demand.