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Sorry if this is simple, but I'm having a hard time figuring it out (serial is foreign to me, and I couldn't find much insight in the help file or Arduino docs).

I'm trying to use an Arduino board link to trigger a handful of relays controlled by Max (which I believe will be acting essentially as a standard serial port). Ultimately by using the serial object, I want to have a bang switching the relays on and off.

Where do I need to start serial object wise?

serial-object-and-arduino

are you using the usb version of the arduino, or the serial?

if usb, make sure to install the drivers that come with it.

Thanks for the reply. I'm using the usb version, and all the drivers are working (I can program it outside of Max)

I was just wondering what I have to send the serial object to address the digital pins (to trigger relays) on the Arduino board?

Serial Object and Arduino