Tutorial for LEDs and Transistors


Tutorial for LEDs and Transistors

Nice tutorial about LEDs and Transistors.

An LED is the device shown above. Besides red, they can also be yellow, green and blue. The letters LED stand for Light Emitting Diode. If you are unfamiliar with diodes, take a moment to review the components in the Basic Components Tutorial. The important thing to remember about diodes (including LEDs) is that current can only flow in one direction.

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