In order to help his friend prepare for a talk at DEFCON this weekend, [Craig] built an IR photodiode amplifier circuit. The circuit extended the detection range of the hack from a few inches to a few ...

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 ...

CMOS image sensors have become a cornerstone of modern imaging technology, integrating photodiodes with on-chip signal processing to convert light into precise electronic data. Central to their ...