I have the following 3G module to use with Udoo for 3G internet connectivity https://learn.adafruit.com/adafruit-fona-3g-cellular-gps-breakout/overview I would like to know how I would connect to the internet through Udoo, for example using Android and retrofit. I know i can send bidirectional data between arduino and udoo, but it is not quite obvious how to send network calls through arduino from Udoo. Thanks
I think it has a serial interface, even USB. Why not connected it directly to the Android part with serial port or USB? I don't know how tho address the module then from Android as I don't know Android but it should be easier than going through the Arduino first.
well, i may try that, but the issue is that i connect to the internet via the 3G modem by AT commands, i am not sure how to address this with android
If I read the specifications I see that one of the features of the module you have is: Read "computer" = Udoo Quad. So your 3G module could perhaps be connected with USB and you can access it from Android with AT commands.
I suppose the module could act as a network device when mounted to the Udoo and you just have to do nothing special. It depends if the drivers of the Udoo will recognize your 3G module as a network device.