A very cool (also warm!) property of the base-emitter junction of (most) small signal BJTs is the ΔVbe temperature-sensing ...

Overwhelmed by all the automation possibilities your smart gadgets offer? You're not alone. Here are three I find useful and ...

Infrared sensors that detect the short-wave infrared (SWIR) region can clearly recognize objects not only during the day and ...

Bacterial sensors usually rely on emitting light to transfer information about what they're sensing, but that method isn't ...

We've all heard that "if you want something done right, you have to do it yourself." And that’s usually fine when it comes to ...

How the Kisan Mitra Chhadi works, from its 5 to 15-metre detection range to the vibration alert that could help farmers avoid ...

Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 lightning sensor.

Build for monitoring, buy for safety.

Works with the HC-SR04 ultrasonic sensor in the 3 Pin Mode/4 Pin Mode, the Ping))) ultrasonic sensor in the 3 Pin Mode and the DHT temperature/humidity sensors for getting precise distance values. !

You’re never too old to learn something new. People are losing their minds over how simple — yet tricky — an elementary school-level math equation posted on X (formerly Twitter) is. Over the weekend, ...

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 ...