This pulse oximeter is so simple and cheap to build it’s almost criminal. The most obvious way to monitor the output of the sensor is to use an oscilloscope. The poor-man’s stand-in for that is a ...

Building a photodetector that works across a range of applications does not have to be complicated. In this post, we will break down a universal design concept that is flexible, practical, and ready ...

Integrating a dual photodiode, LED drive circuitry, and a signal processing circuit in a subminiature plastic package, the S8030 and S8064 photo ICs are designed to accurately determine the proximity ...