EDN

ALS and PROX Sensor with IR LED

The ISL29043 is an integrated ambient and infrared light-to-digital converter with a built-in IR LED and I2C Interface (SMBus Compatible). This device uses two independent ADCs for concurrently ...
Electronic Specifier

How do IR sensors work?

IR sensors rely on an emitter (IR LED) and a detector (photodiode or photoresistor) to measure infrared light and convert it ...
Electronic Design

Build Your Own IR Windshield Rain Sensor

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 ...
Hackaday

ir sensor

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 ...
EDN

IR LED enhances security-camera imaging

In addition to its narrow beam angle, the SFH 4718A provides a radiant intensity of 730 W/sr. At a current of 1 A, the IR LED delivers an optical output of 0.8 W. The 850 nm wavelength is barely ...