• Yes, it should definitely be possible. D28/29 are the default UART pins (espruino will use them for the console if they are connected to a UART at power on) but actually you can use any pins on the Puck for it.

    There isn't currently a library for SMS messaging via AT commands, but there are a few posts on the forum showing what commands to send - and I'm open to making a library for it because I think it'd be pretty useful.

    And yes - at least on SIM800 there's a pin for power on/power off - so Puck.js could use that to turn GSM on or off (in fact I think sometimes it can even be done with a serial command)

  • Were you thinking of making a library for sending SMS? What would be the advantage/difference of having a library for it?

    Noob question, I know...

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