This is a circuit which introduces the concept of input / output programming. The output being 4 LED's and the input being a push button. After completing it you have a great platform to experiment with concepts like if functions and booleans.
Arduino X 1 LED X 4
Jumper Wire X 6
Resistor 330 Ohm X 4
Tactile Push Button X 1
To see how to wire a circuit and an example program check out the Video
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