I have a separate Arduino connected on a separate serial port that controls the

I have a separate Arduino connected on a separate serial port that controls the power to the entire system via relays. I would like to incorporate control buttons to that Arduino into my ChiliPeppr dashboard.

Can I have some suggestions on where to start?

Take a look at the macro posted a few days ago. It’s exactly what you need. It’s called “Send Serial to CNC and Arduino/Other Serial Device” and it’s in the “Book” pulldown menu in the macro as example code.

https://plus.google.com/116405162018667156471/posts/SPfTDrBWWCM