Replace Tronxy Melzi Board with Ramps 1.4 - Working 5 Button Display Panel using Marlin 1.1.8
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Finally, got Ramps 1.4 working with Tronxy 5 button display panel. Combined multiple sources to create attached guide, hoping it helps some people out. Attached Excel file includes pinouts and photos showing how to wire the 5 button display panel with Ramps 1.4. In Marlin 1.1.8, simply enable Zonestar option around line 1531. Connect EXP1 on display panel to Aux-2 on Ramps 1.4, then turn on Zonestar option and upload firmware. Double-check 5v and gnd connections to get them right. Also, hook up A1 (display board pin 2) to A12 (Ramps 1.4 D66), or keypad buttons won't work properly.
With this file you will be able to print Replace Tronxy Melzi Board with Ramps 1.4 - Working 5 Button Display Panel using Marlin 1.1.8 with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Replace Tronxy Melzi Board with Ramps 1.4 - Working 5 Button Display Panel using Marlin 1.1.8 .