Home Page › Forums › Raspberry Pi Shields › GSM/GPRS Shield
This topic contains 1 reply, has 2 voices, and was last updated by Metin 6 months, 4 weeks ago.
I bought GSM/GRPS shield and tried to send text with AT commands.
Device tells that Call ready SMS ready
Then i put AT+CMFG=1 ok AT+CSCS=”GSM” ok AT+CMGS=”+358123456789″ > text ->push ctrl+z
I end up getting CMS ERROR:226
Device connected to raspberry pi 3 model b+ with usb.
This error: SMS connection broken
Because of power, Please attach your shield on raspberry pi at the same time.
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