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.