• It's a shame the v40 firmware doesn't support it. I believe that is the firmware built into all Espruino WiFi boards.

    You should be able to update the firmware using the code at http://www.espruino.com/ESP8266#use-espr­uino

    (The pins you need are in https://github.com/espruino/EspruinoDocs­/blob/master/devices/EspruinoWiFi.js#L1)

    but it's a slow old process as you have to use Espruino as a USB-Serial bridge. You can read out the firmware first which gives you a good way of detecting if what you're doing is working without risking bricking anything :)

    You could actually just use a separate USB-TTL converter and stick it into the correct holes in the ESP8266 and do it that way though?

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