Rotary encoder on Reprap smart controller is not working · Issue #6820 · MarlinFirmware/Marlin · GitHub
![Amazon.com: OSOYOO 3D Printer Kit with RAMPS 1.4 Controller + Mega 2560 Board + 5pcs A4988 Stepper Motor Driver with Heatsink + LCD 12864 Graphic Smart Display Controller with Adapter for Arduino RepRap : Industrial & Scientific Amazon.com: OSOYOO 3D Printer Kit with RAMPS 1.4 Controller + Mega 2560 Board + 5pcs A4988 Stepper Motor Driver with Heatsink + LCD 12864 Graphic Smart Display Controller with Adapter for Arduino RepRap : Industrial & Scientific](https://m.media-amazon.com/images/I/61h--8zYaoL.jpg)
Amazon.com: OSOYOO 3D Printer Kit with RAMPS 1.4 Controller + Mega 2560 Board + 5pcs A4988 Stepper Motor Driver with Heatsink + LCD 12864 Graphic Smart Display Controller with Adapter for Arduino RepRap : Industrial & Scientific
![3D Printer Marlin Firmware, Basic Configuration Setup Guide | Airtripper's 3D Printer and Arduino Blog 3D Printer Marlin Firmware, Basic Configuration Setup Guide | Airtripper's 3D Printer and Arduino Blog](http://airtripper.com/wp-content/uploads/2013/01/ramps-1-3-click-encoder-pin-connections-300x225.jpg)
3D Printer Marlin Firmware, Basic Configuration Setup Guide | Airtripper's 3D Printer and Arduino Blog
![Steppers not moving in any direction on Ramps 1.4 (Page 1) — Help/Repair/Maintenance — SoliForum - 3D Printing Community Steppers not moving in any direction on Ramps 1.4 (Page 1) — Help/Repair/Maintenance — SoliForum - 3D Printing Community](http://a.pololu-files.com/picture/0J4225.600.jpg)
Steppers not moving in any direction on Ramps 1.4 (Page 1) — Help/Repair/Maintenance — SoliForum - 3D Printing Community
![Amazon.com: OSOYOO 3D Printer Kit with RAMPS 1.4 Controller + Mega 2560 Board + 5pcs A4988 Stepper Motor Driver with Heatsink + LCD 12864 Graphic Smart Display Controller with Adapter for Arduino RepRap : Industrial & Scientific Amazon.com: OSOYOO 3D Printer Kit with RAMPS 1.4 Controller + Mega 2560 Board + 5pcs A4988 Stepper Motor Driver with Heatsink + LCD 12864 Graphic Smart Display Controller with Adapter for Arduino RepRap : Industrial & Scientific](https://m.media-amazon.com/images/I/51fzqZaMHPL._AC_SY350_.jpg)
Amazon.com: OSOYOO 3D Printer Kit with RAMPS 1.4 Controller + Mega 2560 Board + 5pcs A4988 Stepper Motor Driver with Heatsink + LCD 12864 Graphic Smart Display Controller with Adapter for Arduino RepRap : Industrial & Scientific
![Amazon.com: Eiechip® CNC 3D Printer Kit for Arduino Mega 2560 R3 + RAMPS 1.4 Controller + LCD 2004 + 6X Limit Switch Endstop + 5 A4988 Stepper Driver 3D Printer Interface & Driver Modules : Industrial & Scientific Amazon.com: Eiechip® CNC 3D Printer Kit for Arduino Mega 2560 R3 + RAMPS 1.4 Controller + LCD 2004 + 6X Limit Switch Endstop + 5 A4988 Stepper Driver 3D Printer Interface & Driver Modules : Industrial & Scientific](https://m.media-amazon.com/images/I/71s2gZASzwL._AC_UF894,1000_QL80_.jpg)