you can also check file README_flash.txt how to flash ESPs with esptool.py and wiflash
@MaBe started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
you can also check file README_flash.txt how to flash ESPs with esptool.py and wiflash