Data Sheet

ESP32-DevKitC Pin Layout (click to enlarge)
Note on C15
The component C15 may cause the following issues on earlier ESP32-DevKitC V4
boards:
The board may boot into Download mode
If you output clock on GPIO0, C15 may impact the signal
In case these issues occur, please remove the component. The figure below shows the
location of C15 highlighted in yellow.