Watch the video to learn about Constant Current Sources.

Try the circuit!: EveryCircuit Constant Current

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<p>As this is a guide for beginners in electronics you should use real examples.</p><p>If a beginner connected three different colour LEDs across a 3 volt power supply with no resistors as per your example the current flow would be very different to your example, you may even destroy one or more LEDs..</p>

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Bio: Simply Electronics YouTube is a channel created to Inspire, Educate and Entertain new and experienced Electronics Enthusiasts. Join me in the exploration of the world ... More »
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