Dip Switch is a simple Arduino project that demonstrates digital input and output using a 3-way DIP switch and 3 LEDs. When a switch is flipped ON, the corresponding LED lights up.

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This colorful little DIP switch dongle from [Glen Aikins] makes for a fun alternative solution. Do want. The build is simple, relying on a rainbow-colored 8-pin DIP switch as the core of the project.