I got this esp32 microcontroller: https://www.amazon.se/gp/product/B09FJZQDVW with pinout: https://raw.githubusercontent.com/AchimPieters/esp32-homekit-camera/master/Images/ESP32-38%20PIN-DEVBOARD.png 1) How can I power this from vin? Can I connect 5v to the the V5 connection or is that an output? 2...

I will drive multiple a4988 drivers running nema17 from esp32 This i pretty much my setup but instead of 3.3 volt I will use 5v for the esp32 power supply and 12 volt for the stepper motor supply https://cdn.hackaday.io/images/4997571490134825649.png I have calculated the a4988 current limit to appr...