I can get my MKR GSM 1400 to do everything except send an SMS and I'm looking for some guidance. I'm using the sketch below (unmodified example sketch). I'm using a Li-Po battery in addition to any power provided by the USB port. I input the mobile number in +15551212121 format and the program retur…

MKR GSM 1400 Will Not Send SMS

Dozie October 27, 2021, 10:28am 4

@clearwater1 Try connecting a 5V5A external supply to VIN/GND and try sending SMS again.

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