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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.
@Gordon
Thanks - yes, I sell the Shims on Tindie. I'm about the only person that does them, but lextronic in France do also sell the general purpose adaptor board: http://www.lextronic.fr/P37074-circuits-imprimes-dadaptation.html
Great news that you got it working. Have you tried making your own key/certificate? I think it's possible Google does some kind of key-checking, and blocks the same key being used from multiple places.