The Wolfram Language provides native support for connecting to Arduino Uno devices and for reading and writing data to shields and extensions.

"Arduino" — Arduino analog and digital I/O and autonomous code execution

DeviceOpen — open a connection over a serial port

DeviceRead — read from any digital or analog pin

DeviceWrite — write to any digital or analog pin

DeviceConfigure — upload code for a function in raw or SymbolicC form

DeviceExecute — execute a function on the Arduino or specify its scheduling