ESP32 device flashing

ESP32 CANx device flashing #

📥︎ Firmware files
  1. Download Flash Download Tools

  2. Connect CANx device to PC via USB while holding the programming button

  3. Run flash_download_tool.exe and select the following values:

  • chipType = ESP32S2
  • workMode = develop
  • loadMode = usb


  1. In SPIDownload tab
  • Tick the checkbox for the first entry in the list
  • Choose the required firmware.bin file and set address (after @) to 0
  • Select correct COM port as detected by the OS
  • Press Start