Brief photodiode component making a light dependent current source circuit

Photodiodes are used reversed biased (RB). They allow a certain amount of current to flow through them based on the amount of light falling on them while RB. This will be true under varying loads as long as there is enough voltage from the power supply. Some photodiodes can also be used as mini solar cells under bright light.

Diagram

Simple photodiode light dependent current source circuit schematic diagram by electronzap electronzapdotcom
Simple photodiode light dependent current source circuit schematic diagram by electronzap electronzapdotcom

Affiliate link ads. Noticed that Amazon has these after making the video.

  I bought some of these from a different Amazon seller that isn’t doing Prime delivery and asking for more $$$ right now. Not as cheap as the ones used in this video, but they are better. I looked at them in https://youtu.be/PVp7o5z8_9I video.

Video

Quick photodiode component makes a light dependent current source circuit demo by electronzap

Updated video:

BPW34 photodiode as a light dependent current source component by electronzap electronics

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  • Information on this site is not guaranteed to be accurate. Always consult the manufacturer info/datasheet of parts you use. Research the proper safety precautions for everything you do.