A Charliplexed LED heart circuit is being controlled by an Arduino system and can be useful in times of Valentine’s Day. A Charliplexed LED heart circuit is being controlled by an Arduino system and ...

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 ...

Here’s an Arduino library that will let you drive a very large number of LEDs. [Elco Jacobs], an electrical engineering student, is the author of the library. He has a work-study job that has him ...

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When first learning about and building electronic circuits, the first things all of us come across are passive components such as resistors, capacitors, and inductors. These have easily-understandable ...

Anyone who has ever hacked around in their PC will have been hit with an urge to take their tinkering to the next level and create a custom-built device, but few actually try - believing such things ...