Looking for a simple circuit to control the light intensity of Light Emitting Diodes (LEDs) or similar lighting sources? Here is an Arduino based circuit with three independent pulse width modulated ...

[Alex] needed a project for his microcomputer circuits class. He wanted something that would challenge him on both the electronics side of things, as well as the programming side. He ended up ...

Power LEDs are becoming more and more commonplace as bedroom light sources for a number of reasons. The greatest advantage of LED light sources, in my opinion, is that they last for a very long time.