Hi, I am trying to send SMS messages using Adafruit Flora Arduino and A6 GSM breakout board, using Arduino libraries. A6 U_Tx and U_Rx are interfaced to Flora's pin #10 and 9, SoftwareSerial() is used. I have tried Arduino sketch 1. using only the serial port to send AT commands 2. using TinyGSM library 3. using gsm_a6 library. None of work. But there are no error messages. When I use serial port to send AT commands such as "AT", the response is gibberish. I have tried various combination of serial communication for both console and the one meant for AT commands. Kindly share your views on what could be wrong.
Your topic does not indicate a problem with the Arduino GSM Shield and therefore has been moved to more suitable category of the forum.