Led Matrix Schaltplan. Attach the 8 pin headers to feed power to the leds be sure to place a 200 ohm resistor in line with each positive power lead. In this project we will learn about led matrix displays and two different projects on arduino 8 8 led matrix interface.
This way you can save a lot of pins on the arduino and keep your program quite simple. The tricky behind the display is multiplexing and the idea is the same as withe the 8x10 led matrix. A matrix defines a rectangular or square consisting of intersecting rows and columns.
The first project will be a simple interface between arduino and 8x8 led matrix to display information even scrolling information and images can be displayed and the second project will be an advanced project where the 8 8 led matrix is controlled through an android device.
The rgb led consists of three different led s from the name you can guess that these led s are red green and blue. The rgb led consists of three different led s from the name you can guess that these led s are red green and blue. Now this time we have 3 shift registers which multiply the number of outputs and save lots of arduino pins. 9 columns by 3 rows.
