1X ARDUINO UNO
4X 200 OHMS RESISTER SOME CONNECTING WIRES
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Step 1: CONSTRUCTION:
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.
Step 2: Program:
Step 3: Program:
For program visit smartuprobotics.blogspot.com