I'm interested in building this with only the N64 cart slot and I have a couple questions.
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Is the clock generator only needed for the SNES SA1 cartridges? I think it would be great if you could clarify why it's optional on the part's list wiki page.
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Is it okay for me to omit the PIC12F629 if I don't need SNES compatibility? Would I also omit the 100nF capacitor as well? Sorry if this seems obvious but I'm a new at this.
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The RGB LED part in your excel sheet is discontinued so you may want to update that.
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Do you have any plans to make a Digikey list for these parts? In one of your earlier forum posts you mentioned it but I don't see it on the wiki page.
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Do you have any plans to modularize the instructions and parts so that people who are only interested in building a subset of the slots can reduce cost?
Lastly thank you for posting this design. It is by far the cheapest way to backup and restore N64 cartridge saves that's still available right now.