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Step 3Light!
Similar to the previous section, lets put in all 16 LEDs.
Now, this is minutely tricky! Because LEDs have positive (longer) and negative (shorter) terminals it's important to orient them correctly (or nothing will work, etc.) Check out the picture for orientation. This is a good way to learn a bit about schematics: you can follow the connections on the schematic to to see which end of the LED runs to the resistor -- then check the wires on the board itself.
Again it may help to bend the wires after you've stuck the LED into the board so it doesn't fall out. (And be careful not to break anything and all that.)
Before soldering double check that all the LEDs are oriented correctly. After soldering cut off the excess wires.
Now, this is minutely tricky! Because LEDs have positive (longer) and negative (shorter) terminals it's important to orient them correctly (or nothing will work, etc.) Check out the picture for orientation. This is a good way to learn a bit about schematics: you can follow the connections on the schematic to to see which end of the LED runs to the resistor -- then check the wires on the board itself.
Again it may help to bend the wires after you've stuck the LED into the board so it doesn't fall out. (And be careful not to break anything and all that.)
Before soldering double check that all the LEDs are oriented correctly. After soldering cut off the excess wires.
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