ESP32 Forum

Posted: **Wed Aug 09, 2023 10:32 am**

GPIO0, GPIO45 and GPIO46 are the bootstrapping pins.
Can we use the GPIO45 and GPIO46 pins as GPIOs when GPIO0 is left unconnected?

Posted: **Thu Aug 10, 2023 3:03 am**

What chip is this on? Generally, you can use all bootstrap pins as GPIOs, you just need to make sure they're at the correct level at bootup/reset.

Bootstrapping