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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
@Jean-Philippe_Rey thanks - I'll make sure I update the RN2483 page to mention the replacement part number.
@larry the issue is that the SX127x JS driver only handles transmit/receive of simple LoRa packets. To get on LoRaWan you need to implement the LoRaWan protocol on top of that functionality.
There is an existing library in C that others seem to use, so add do that you'd have to have some knowledge of C and how to extend Espruino. However it should be possible to implement it all in JS (without any C coding) - it's a matter of going through the LoRaWan spec and implementing it. I believe there's some stuff about which frequency you send on, how often you send, when you turn on the radio to receive, and then you need to encrypt the data as well.
I wouldn't worry about modules though - if someone got a working Espruino source file that will connect to LoRaWan I would happily go through and turn it into a module for them! :)