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Tuesday, May 21, 2013

Connecting printrbot's printrboard with my RepRap graphics LCD Controller

Introduction

Based on an article in blog.think3dprint3d.com.
The Printrboard is a based on the Teensylu which is itself a derivative of the Sanguinololu; the main difference is the use of the AT90USB1286 instead of the Atmel ATmega1284P.


Wiring of the RepRap Graphics LCD Controller with Fan Output

The Controller comes with a 20pin ribbon cable. The Table shows how to connect it.

PrintrBoard PCB

Ribbon cable wire number
Printrboard Pin Label
Marlin Pin
number
Marlin Pin
name
 1
MISO
23
MISO_PIN
 2
5V


 3
SCK
21
SCK_PIN
 4
MOSI
22
MOSI_PIN
 5


 6
 GND


 7
 SCL

 8
 A2
40
SDSS
 9
 A3
41
LCD_PINS_RS
 10
 PC1
11
LCD_PINS_D4
 11
 TX1
2
ENC1
 12
 SDA
1
LCD_PINS_ENABLE
 13
 RX1
3
ENC2
 14
 PD4
4
LCD_PINS_D7
 15
 PE1
9LCD_PINS_D5
 16



 17
5V 


 18
GND


 19
5V 


 20
GND 



Firmware changes will follow...



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