You are reading a single comment by @Vasily and its replies.
Click here to read the full conversation.
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.
@Vasily
I installed it on Wemos, works fine.
In the firmware .zip file there is readme file with a command line for 4MB upload.
I used that without any changes in params and it worked.