Controlling an LED
The hardware equivalent of hello world is an LED flash, which is a great test to ensure that everything is working and that you have wired it correctly. To make it a little more interesting, I've suggested using an RGB LED (it has red, green, and blue LEDs combined into a single unit), but feel free to use separate LEDs if that is all you have available.
Getting ready
You will need the following equipment:
- 4 x DuPont female to male patch wires
- Mini breadboard (170 tie points) or a larger one
- RGB LED (common cathode)/3 standard LEDs (ideally red/green/blue)
- Breadboarding wire (solid core)
- 3 x 470 ohm resistors
Each of the previous components should only cost a few dollars and can be reused for other projects afterwards. The breadboard ...
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