I needed a multichannel line tracker sensor module for an upcoming ... Next is the YL-73 schematic I drew after a thorough examination. I could not find it with a quick search, so I made my own (ha ha ...

The awesome find is an 8×8 IR array sensor on a breakout board… the hack is all in what you do with it. Already taken by “LED fever,” [Xose’s] mind immediately fixated on an 8×8 IR array ...

At the heart of the circuit lies a CNY70 reflective opto sensor module. The sensor contains a phototransistor and an infrared LED. The LED emits infrared light, and the phototransistor works as a ...