![Constant current infrared LED emitter circuit [Project]](/opendir/images/thumbs/od_2312_1_1387363456.jpg)
The crew from AnalysIR reports they have written up an article on constant current circuit for Infrared LEDs. They compare the various methods of driving IR LEDs, including a series resistor and a circuit driven by an NPN transistor, and how to design your circuit for maximum brightness.
![Constant current infrared LED emitter circuit [Project]](/opendir/images/thumbs/od_2312_2_1387363456.png) |