- Arduino microcontroller
- MakerShield kit
- R1: 1KΩ resistor (brown, black, red stripes)
- R2: 330Ω resistor (orange, orange, brown stripes)
- PB1: pushbutton switch
- LED1: RGB (red, green, blue) LED
- Long test wire
Figure 15-1. A Logic Tester with an RGB LED
Parts List
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