Ardavan Enhanced Character Display
The intelligent controller includes an SD card reader, 6 PUSH-BOTTOM KEYS, rotary encoders and a 20-character × 4 line LCD display. You can easily connect it to your RAMPS 1.4 board using "smart adapter" included. This panel connect your RAMPS 1.4, you do not need your computer, your SD card intelligent controller power supply. All further operations, such as calibration, the axis movement can be done only with a rotary encoder intelligent controller. 3D design print without a computer, just use the G code design stored on the SD card.
MODEL: : AECD RV 1.0
Blue Backlight with white words
Left, Right, Up, Down ENTER and ESCAPE buttons
Screen contrast adjustment
Arduino Reset button
The buttons are connected to only one analog input pin through resistors to give a different voltage for each button, thus saving on input/output pins. Reading the buttons is easy.