Configuration Template
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I'm using a Duet 2 Wifi setup that's controlling an automated liquid dispensing machine, and when I try running any command on the UI, it tells me to first set up the printer configuration.
https://configurator.reprapfirmware.org/Start
I'm unfamiliar with all of these templates, how do I decide which one I want? -
You'll want to start with custom. It'll go through a few screens worth of configuration options. A lot of them may not apply to what you're wanting to do since it's geared towards 3D printing, but you should be able to get to a working state you can customize.