SunFounder 3in1 Kit
With electricity, you can create works with light, sound, and motion. You can light up an LED by connecting the long
pin to the positive terminal and the short pin to the negative terminal. The LED will break down very quickly if you do
this, so you need to add a 220* resistor inside the circuit to protect it.
The circuit they form is shown below.
You may have questions this time: how do I build this circuit? Hold the wires by hand, or tape the pins and wires?
In this situation, solderless breadboards will be your strongest allies.
2.3. How to build an Arduino Project 77
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