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Electronic Map

Step 9Lighting an LED

Lighting an LED
Now that you know a little bit about LEDs, you are ready to try lighting an LED.

1. Make sure the power switch on the battery pack is in the OFF position.

2. Insert the LED's power pin into the red wire side of the wire harness.

3. Insert the LED's ground pin into the black wire side of the wire harness.

4. Move the switch on the battery pack to the ON position. The LED should light, as shown in the figure below If it does not light, check the polarity.
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Author:steven.folkins
I am the Program Manager for Machine Science. A non-profit located in Cambridge.