Thank you in advance for taking the time to let us know about your Ideas. We truly value your input and discuss each Suggestion as a team. It would be most helpful if you could include a use case for your Idea (how it will solve a problem, or add to the usefulness of Cayenne as a proto-typing solution). Thanks!
Arduino has built in USB to serial converter so we value on Arduino serial monitor through USB port of Arduino which must be connected to your system
How can I use that for my board?
I used this feature for send messages from my pc to Arduino, in my case a node.js app for drive actions in Arduino, like digital output or digital read.
This same way you can connect any programming language to your arduino, trough Serial Communication…
Watch my case: