[ladyada] has a freshly-published and amazingly thorough tutorial on passive infrared (PIR) motion sensors. Most often seen in security floodlights and automatic doors, in creative hands these sens… ...

For the infrared remote control, [Meseta] dug into Lady Ada’s IR sensor tutorial and decoded buttons 1 through 4 on a Sky TV remote. Each button from one to four corresponds to the buttons on ...

An infrared (IR) proximity sensor, and a small solenoid is combined here to make the 6-Volt DC powered automatic soap dispenser unit. When the infrared sensor detects the close proximity of a hand, it ...

Vishay’s VEML6046X00 RGB IR sensor is AEC-Q100 qualified for use in vehicle displays and interior lighting. This compact device integrates a photodiode, low-noise amplifier, and 16-bit ADC in an ...

Researchers have developed a smart sensor for DARPA that’s capable of identifying infrared -- without having to have its own power source.

One customized infrared sensor lets flash-cure systems speed up production of screen-printed tee shirts. Visible in this shot of a screen-printing setup at Showdown Merchandising in Canada is a ...

STMicroelectronics has introduced a multi-spectral ambient light (plus UVA and near-IR) sensor, with flicker detection, in a package smaller than 1mm x 2mm. Applications are foreseen with phone ...