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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
Hi,
I'm afraid the relay doesn't work offline (the relay isn't part of the server) - you'd need to use the relay that's on the Espruino website. It's very hard to host locally because you'll need to serve the IDE and also WebSockets via HTTPS with a certified key.
I think I found the problem and fixed it now, so could you give it a try again at the normal addresses? The SSL keys needed to be updated whenever the letsencrypt keys were renewed.
My understanding with WebRTC was that you still need an online service to broker the connection between the two clients? It'd be great if it could be done without that though, or with a third party. Have you used it?