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 ...

The Xiaomi Human Body Sensor has been announced in China via a crowdfunding campaign. The new Xiaomi Human Body Sensor is the latest gadget to be integrated into the Xiaomi smart home ecosystem. The ...

Researchers developed a type of infrared photodiode that is 35% more responsive at 1.55 m, the key wavelength for telecommunications, compared to other germanium-based components. Detecting infrared ...

The photograph shows a one-inch, single-crystal lead sulfide (PbS) film wafer (left). The right panel demonstrates a clear infrared image of a university emblem and Chinese characters, captured at ...

Shortwave infrared light (SWIR) sensors are desirable in a broad range of applications, particularly in the service robotics, automotive, and consumer electronics sectors. Colloidal quantum dots tuned ...