Installing drivers for servo motor controller board
To "upload" a program from your PC to RAPIRO Board with Arduino IDE, you need to install proper driver for your operating system.
Connect your RAPIRO Board to your PC with USB cable, then you will see a message popup on your PC. In a little while, download and install starts automatically. Once the driver is installed, your operating system recognize the RAPIRO Board as a COM port.
Microsoft Windows 8.1
Same as other Windows drivers. Connect your RAPIRO Board to your PC with USB cable, it will start to download and instal automatically. If it doesn’t work, disconnect the RAPIRO Board. Go to FTDI Drivers page and download/install driver for Windows 8.1, then connect RAPIRO Board again. Once the driver is installed, your operating system recognize the RAPIRO Board as a COM port.
Mac OS X
Go FTDI Drivers page and download driver for Mac OS X. You will see dmg file when download is completed. Double click to open the dmg file. There must be 2 files in the opened dmg. Check your OS X version and choose proper driver for your OS X version. It seems that the driver for 10.7 is compatible to 10.8 and 10.9.
If you encounter a message like can’t be opened because it is from an unidentified developer., click OK to close the window. then control key + click the icon to show context menu and select Open. You see same message again, but this time you have Open button so click it. While in the installation process, you might be asked your password. Once the driver is installed, your operating system recognize the RAPIRO Board something like /dev/cu.usbmodem<number>, where <number> is depends on PC you are using.
There is a driver for Ubuntu 11.10, kernel 3.0.0-19 on FTDI Drivers Page.