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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
I haven't tested with the old one - it should still work though. As I recall there weren't huge changes between the two modules - definitely not as far as data handling is concerned.
Having said that, the new one does seem to be more reliable at keeping the network connection up, so it might be worth upgrading. It's not that bad now you can do it through the Pico, it's just a faff to install the esptool software