Home Page › Forums › Raspberry Pi Shields › Send USSD EC25-E
This topic contains 1 reply, has 2 voices, and was last updated by Saeed 11 months, 1 week ago.
Will be happy if you can help me with sending USSD commands from the EC25-E module.
Which port to use? /dev/ttyUSB3 is busy with the connection. tried ttyUSB2 but no luck..
Hi, Could you please elaborate the error you are receiving?
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