Wow, great! So you can get the Google spreadsheet to request arbitrary URLs - it's just going the other way that's a problem?
You might be able to use some service like pastebin to allow the Espruino to HTTP POST data, and Google spreadsheets to GET that same data - without having to have a server.
There was a great-looking Twitter-ish kind of website that would have been perfect, but I'm afraid I can't find the link now.
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.
Wow, great! So you can get the Google spreadsheet to request arbitrary URLs - it's just going the other way that's a problem?
You might be able to use some service like pastebin to allow the Espruino to HTTP POST data, and Google spreadsheets to GET that same data - without having to have a server.
There was a great-looking Twitter-ish kind of website that would have been perfect, but I'm afraid I can't find the link now.