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by karmanyaahm 1201 days ago
Because the RP2040 is so dynamic, the QT/Stemma connector is two GPIO pins, even thought it can do I2C or SPI.
1 comments

Are you saying interfacing with an SD card should be possible using only 2 pins?

https://content.instructables.com/FJT/PT8T/KROXES4A/FJTPT8TK...

No, I was simply replying to:

> none of the GPIO pins are exposed, the only IO is buttons, usbc or a QT/Stemma connector.

Sorry for losing context.