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Interfacing (DSI, CSI, I2C, etc.) • Re: Why in gods name is there no reverse voltage protection on gpio

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is 30c too much cost to protect a 90€ piece of equipment?
TLDR; Yes.

As others have said, it's more HW than you think, let's say $1 total. That actually reduces functionality but is also a price every single buyer has to pay, even when they have absolutely no need for it. I think we are up to about 80M SBCs sold, that $80M extra costs, that either we would have had to absorb, or people would have had to pay. Features vs price is a balancing act that we have been quite good at over the years.

So, yes, it is too much.

Statistics: Posted by jamesh — Mon Mar 24, 2025 8:59 am



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