I'm upgrading to Marlin, but also do not have all the components to assemble a new printer, I am taking the opportunity to study his code. So far I've only used to repetier.
Following some topics, could set the end-stop, and temperature sensor. For freshness even wanted to put a boot message before you start and show the default screen monitoring.
My LCD is a 20X4 and did not think anything about it, for larger lcd found quite something, like this one:
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My doubt is possible to do this that my lcd? if so in what file should I change?