HUB12 ESP32 Board

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  • You will need a USB-TTL adapter bridge board or cable, to interface or program ESP32 via the serial interface

To communicate with ESP32 normally, connect

  • TXD->RXD, RXD->TXD, +5V=+5V, GND=GND
  • remove IO0-GND jumper, IO0 LED should be off

To program ESP32:

  • Connect the same serial interface
  • Put IO0-GND jumper ON, IO0 LED should be ON
  • press reset button to enter into flash mode
  • Upload arduino demo code

See more on demo video here: