2X2 Led Matrix

Apparatus required:

1X ARDUINO UNO

4x LED

1X BREADBOARD

4X 200 OHMS RESISTER SOME CONNECTING WIRES

Step 1: Connect 4 led in parallel connection

Step 2: Connect 4 resister in the anode

Step 3: Upload program given below to Arduino

Step 4: Connect the pins to resister mentioned in the program

Step 5: Make power supply to Arduino board.

For program visit     smartuprobotics.blogspot.com