• Everyone,

    I am struggling with my Waveshare GSM-Module to establish M2M communication (http://www.waveshare.com/wiki/GSM/GPRS/G­PSShield%28B%29).

    There're two serial ports on this device. The GSM-Shield itself and some separate connections for the SIM808 to connect directly to it. However I could not get it to work. Even on Arduino.

    Has anyone done this before? Does anyone use this module?

    kind regards,
    Alex

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