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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.
@Manxome
Here are a few more links:
What is LoRa?
SX1272 Datasheet
Unfortunately that module is $70 USD on Digikey, unlike the $10 ones in the first post or this one from Alibaba.