For now, refer to the following pdf file.

- For voltage regulation, you'll have to find the LM38T05 spec sheet. - The LEDs have a current limit, so what component should you use to limit the current? - The optoisolator spec sheets are here, {{Basics:PS2501.pdf | here}, and {{MCT6.pdf | here}. They should all work the same. I believe that the PS2501 (or maybe the MCT06) has a nice example circuit so you can see how the pull-down resistors should go (to effectively create pull-down voltage dividers).

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