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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.
@net-tobi
Thank you. I attached the most recent version of the sim900 lib.
Regarding the problem that Espruino hangs do you think that has something todo with Serial1 as discussed here?
http://forum.espruino.com/conversations/255152/#comment12325361
I experienced that when I first connect the pico to USB and then start the sim900 module the problem doesn't exist. I'll try to set USB.setConsole() in onInit tomorrow and check if that solves the problem.
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