esp32c3 pin 20/21 disable bootload and startup chatter

brebisson
Posts: 32
Joined: Fri Dec 22, 2023 9:44 am

esp32c3 pin 20/21 disable bootload and startup chatter

Postby brebisson » Fri Mar 07, 2025 10:25 pm

Hello,

I am using an esp32c3 super mini board.

I have some external stuff connected on pins 20 and 21...

Unfortunately, it looks like there is some chatter there at boot time, and/or when I connect the esp to the USB...

Is there a way to disable these other peripherals using these pins (what is using them BTW?)

I am developing using esp-idf throught visual studio code.

Thanks,
Cyrille

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