If you've got a Raspberry Pi and a just a little bit of coding know-how, you can make these weird projects that are sure to ...

Build all the things.

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

The new electronic intervention called ‘Kisan Mitra Chhadi’ is intended to reduce the many lives lost to snake bites in rural ...

What truly sets the Bittle X V2 apart from every other robot kit on the market is how far it can grow with you. It is easily ...

Passive infrared (PIR) sensors are experiencing sustained growth in 2026. This is driven largely by the expansion of smart home technology, building automation, and energy-conscious design. Once ...

Aqara is introducing a new presence sensor that is a natural addition for HomeKit users who want reliable automations without the need for a camera. The new Aqara FP300 combines mmWave presence ...

A slew of wireless and increasingly multi-modal sensors is being targeted at the Industrial Internet of Things (IIoT), setting the stage for significant improvements in efficiency, higher yield, and ...

Disposing of gas detection equipment can be deceptively complex for EHS managers, facility supervisors and maintenance personnel. Gas detectors contain hazardous materials (e.g., lead, mercury or ...

There are a lot of presence sensors using a combination of PIR and High Frequency Radar Human Presence Detectors to get a combination of quick response and low movement detection like when sleeping.

ABSTRACT: This study investigates the optimization of Fresnel lens designs using Zemax software, with a focus on minimizing beam divergence by controlling the output spot diameter on the image plane.