A compact embedded systems project that uses a Heltec Wireless Stick V3 (ESP32‑S3) and a pair of IR break‑beam sensors to detect direction and count people moving through a doorway. The device can run ...

This easy-to-build walking reindeer can be constructed with only a bow motor, battery, wires, and a few other parts.

The British Army showcased its digital targeting web as part of Asgard to media and industry on 16 July 2025. (Crown Copyright) The UK Defence and Security ...

In this episode, I look into a groundbreaking new development from Sandia National Laboratories. The US military has created a next-generation quantum motion sensor that could make munitions ...

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you already have one ...

Seeed Studio sent us a review sample of the XIAO Soil Moisture Sensor powered by the XIAO ESP32C6 wireless module and running ...

Patients are being warned to stop using some glucose monitors made by Abbott Diabetes Care after the company found malfunctioning sensors may be linked to hundreds of adverse events and several deaths ...

If you read about Hall effect sensors — the usual way to detect and measure magnetic fields these days — it sounds ...

While fluorophore-biomacromolecule systems are relatively well known, afterglow luminophore-biomacromolecule conjugates/complexes are rarely studied. Here, the authors report the development of a ...

This top-rated ice maker from Whirlpool will let you hold up to 25 pounds of ice at a time, more than enough to cool down a pitcher of mint lemonade. This model uses special freezing technology to ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Nanosensors are chemical or mechanical sensors that can be used to detect the presence of chemical species and nanoparticles, or monitor physical parameters such as temperature, on the nanoscale. They ...