I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

Researchers developed a quantum-dot circularly polarized light sensor using chiral charge transport layers, spanning ultraviolet to short-wave infrared wavelengths.

For 2026, the companies making these tiny tech marvels are really shaping how things work, from our cars to our factories. We’re going to take a look at what’s happening with these iot sensors ...

PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...