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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.
@allObjects
Did you install and start the Espruino Web IDE in Chrome?
In the IDE in top left corner, you see a yellow/kaki Connect icon. Clicking/tapping it shows you the list of USB ports, from which you pick the one that obviously got successfully installed.
The Connect icon will turn green, and in the console, Espruino will print a banner including the installed firmware.
Espruino is now at you service!
PS: This button press on or briefly after plugging in/powering on is only for reset or flash. You do not need that to just get Espruino connected and talking to the IDE.