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• #2
You definitely can (assuming it's a 3.3v friendly shield, which it should be), however I'm not 100% sure how easy it will be.
There are a bunch of modules for Quectel modems: http://www.espruino.com/Search?kw=quectel
And this is another NB-IoT modem, so should hopefully work: http://www.espruino.com/QuectelBG96
If the instructions there work, you could then just use the MQTT module from http://www.espruino.com/MQTT alongside it
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• #3
This is what I needed. Thank!
Hello. I have a Quectel BC68 in Arduino shield. How can I use it to connect to the MQTT broker?