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[* black] The next components to install are the LEDs. Light Emitting Diodesemitting diodes are used in all sorts of electronics to provide bright, different colored lights.
[* black] The next components to install are the LEDs. Light Emitting Diodesemitting diodes are used in all sorts of electronics to provide bright, different colored lights.
[* icon_note] Note that the two leads are different lengths. Since an LED is a diode, it only allows current to travel in one direction, so it is important to install the correct lead in the correct hole.
[* red] The four LEDs belong in each of the four terminals marked LD1 through LD4.
[* black] When installing the LEDs, insert the shorter of the two leads into the hole next to the flat part of the printed circle.