Some readers may recall building a line-following robot during their school days. Involving some IR LEDs, perhaps a bit of LEGO, and plenty of trial-and-error, it was fun on a tiny scale. Now imagine ...

In this article, we implement a rain and ice sensor by analyzing the reflection of an infrared (IR) light source. This project uses proven techniques based on multiple reflections of IR light in the ...

LED chip maker Taiwan-Asia Semiconductor (TAS, renamed from Opto Tech) is the exclusive supplier of short-wave infrared (IR) LED devices used in the body temperature sensor of Apple Watch 8, according ...

Mouser Electronics, Inc., is now supplying the new RPR-0730 photo reflector from ROHM Semiconductor. The RPR-0730 is an ...

Omron Electronic Components has introduced a non-contact MEMS thermal sensor that it claims can detect the presence of humans in an area without the need for movement. The sensor is intended as an ...

Proximity detection adds many smart features to the devices we use.For example, when making a call with a phone held to your ear, face detection using proximity sensing can disable the touchscreen and ...