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GPIO12 (distance sensor) breaks flashing #1

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bluecube opened this issue Dec 7, 2020 · 2 comments

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bug electronics

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bluecube commented Dec 7, 2020

The board cannot be flashed correctly when the distance sensor is connected, because GPIO12 is a strapping pin (MTDI).

bluecube added bug electronics labels

Owner Author

bluecube commented Dec 25, 2020

Maybe swap it with SDA or SCL?

Owner Author

bluecube commented Mar 3, 2023 •

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It appears that GPIO12 can be freed up by setting the permanent fuse:
https://docs.espressif.com/projects/esptool/en/latest/esp32/espefuse/set-flash-voltage-cmd.html

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