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Despite all my efforts and web crawling I can not install the necessary driver to connect my Arduino uno R3 to the GPRS shield from seeedstudio. I have attempted downloading the VCP driver from http://www.ftdichip.com/Drivers/VCP.htm I have tried the solution offered here https://learn.sparkfun.com/tutorials/how-to-install-ftdi-drivers/mac for Yosemite and beyond through the AppleUSBFTDI driver as well as the solution offered by FTDI's script. Any help will be greatly appreciated. Please let me know if I can provide any more information.

  • Shields do not require PC/Mac drivers. – Chris Stratton Feb 10 '15 at 5:56
  • in order to use the GPRS shield you must be able to connect through the /dev/tty.usbserial#### port which requires a driver. – 97prime Feb 10 '15 at 14:47
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    No. The USB serial connection is provided by the Arduino, not the shield, and the naming pattern for an Uno on OSX will not be tty.usbserial### but rather something else (tty.usbmodem### perhaps?). IIRC an Uno does not require a driver on OSX though older/unofficial FTDI based boards do. – Chris Stratton Feb 10 '15 at 15:01
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The USB serial connection is provided by the Arduino, not the shield, and the naming pattern for an Uno on OSX will not be tty.usbserial### but rather something else (tty.usbmodem### perhaps?).

If I recall correctly, an Uno does not require a driver on OSX though older/unofficial FTDI based boards (as well as unofficial boards based on yet other fixed function chips) do require drivers.

(On Linux it is typically /dev/ttyUSB# for fixed function and /dev/ttyACM# for an Uno, both using kernel module drivers shipped with most distributions. On Windows they are all COM# and drivers are typically required)

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