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