Parts List

• Arduino microcontroller
• MakerShield kit
• R1: 330 ohm resistor (orange, orange, brown stripes)
• R2: 330 ohm resistor (orange, orange, brown stripes)
• R3: 1KΩ resistor (brown, black, red stripes)
• SW1: pushbutton switch
• LED1: red LED
• LED2: green LED
• Battery1: 9VDC battery pack

Figure 5-1. The Arduino NOT Logic Gate