Here is a pinout for an ESP32 Dev Kit. This is common module used for FluidNC controllers, but other version will work on controllers designed for them. This is a good reference of the capabilities of ...

In such a case, use an external power supply. There is no dedicated VIN pin to power WHITEBoard DevKitC through pinout. However, pin 5V can be used to power DevKitC with REGULATED 5V DC. Do not use ...