I am building a printer where there's really no good place to stick an LCD screen. I planned to have no LCD at all, and just use Marlin's "auto-print" feature, where you insert an SD card and reboot and it automatically prints. But I'm afraid to commit to that.
I'm thinking about making a portable LCD "control pendant" that I could just plug into the printer if I needed to control something. I would be using a TFT35 LCD screen in serial-port mode. I believe there's 5 wires to connect it, RX, TX, 5V, GND, and RST.
The question is, can I just put a 5-pin socket on the printer, and plug / replug the LCD screen in whenever I want? Or will Marlin crash when I do it from a power surge on the RST line? Or maybe if I plug the LCD in without rebooting Marlin, will Marlin just automatically detect it and work, or would I have to plug it in and reboot?
I'm thinking about making a portable LCD "control pendant" that I could just plug into the printer if I needed to control something. I would be using a TFT35 LCD screen in serial-port mode. I believe there's 5 wires to connect it, RX, TX, 5V, GND, and RST.
The question is, can I just put a 5-pin socket on the printer, and plug / replug the LCD screen in whenever I want? Or will Marlin crash when I do it from a power surge on the RST line? Or maybe if I plug the LCD in without rebooting Marlin, will Marlin just automatically detect it and work, or would I have to plug it in and reboot?