Materials Required
1. Arduino UNO:- https://amzn.to/3JAGG9M 2. 9V Battery:- https://amzn.to/3mIgUr0 3. 220 Ohm Resistors (12) :- https://amzn.to/3mLfDj0 4. Breadboard:- https://amzn.to/3ZIzKNa 5. Male to Male Jumper Wires (13):- https://amzn.to/3ZGMnIN 6. Red LED's (12):- https://amzn.to/3lbcl8f