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 ...

and fortunately they are easy to use with our favorite Arduino microcontroller. 8×8 LED Matrix module have many applications in real life, such as various types of electronic display panels. The LED ...

So where it was once advantageous to opt for serial connected LED arrays for display backlighting, today the concept of using parallel circuit configurations is a viable alternative.