Blynk Board Arduino Development Guide
Contributors:
jimblom
Install FTDI Drivers
The Blynk Board uses a specialized chip called an "FTDI" to convert USB data to a more simple serial interface. It's over this serial interface that the Blynk Board downloads new code.
If you've never used an FTDI-based device before, you'll probably need to install drivers on your computer. Our How to Install FTDI Drivers tutorial should help get your drivers installed, whether you're on a Mac, Windows, or Linux machine.
Once you've installed the drivers, your Blynk Board should show up on your computer as either COM# (if you're on a Windows machine) or /dev/tty.usbserial-######## (if you're on a Mac/Linux computer), where the #'s are unique numbers or alphabetic characters.