Introduction: What Are Diodes? (Interactive!)
Watch the video to learn about Diodes and what they do.
Try this circuit!: EveryCircuit Diodes
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(Please note: Due to the direction of electron flow in the circuit, the diode symbol does not properly reflect the direction in which current is blocked, as current would actually flow in the reverse directions shown in this video.
This is only due to the circuit using electron flow instead of conventional current flow; to be explained in a later video.
But, aside from the slight visual inaccuracies, the video still clearly shows the diode conducting current in only one direction, and opposing current in the other. This is the main point I aimed to get across)