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2025-02-12 18:08:13

Wanda on Nostr: catgirl pro tip: when designing a GPIO controller, make sure it has a way to set a ...

catgirl pro tip: when designing a GPIO controller, make sure it has a way to set a pin to output without having it immediately drive a (non-negotiable) 0 on it.

I particularly like how, on the board I am looking at, they connected this GPIO to an (active-high) voltage regulator enable pin.
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