Pro Micro Web Updater (from the compiler)

eeprom option:
  1. Wait firmware hex file from compiler
  2. Click flash button
  3. Reset your Pro Micro to enter bootloader
  4. Select serial port appeared
  5. Wait flashing complete
Copyright (c) 2021 のぎけす屋
Based on sekigon-gonnoc/promicro-web-updater
Modified by @ikeji 2025