People were reporting problems with WiFi on newer Wemos esp8266 V3 board. Boards with lower version (<3) seem to work fine. I have several of these boards and I've try on 3 of those. Sorry, no luck.
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.
People were reporting problems with WiFi on newer Wemos esp8266 V3 board. Boards with lower version (<3) seem to work fine. I have several of these boards and I've try on 3 of those. Sorry, no luck.