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Arduino 2560 T1 connection not working

Posted by leomireles007 
Arduino 2560 T1 connection not working
May 16, 2016 10:26PM
I have a folger tech i3 prusa 3d printer, and it was working properly until after a print, then I started to get the hot end temperature readings for bto the hot end and the heated bed. So when I heated the bed nothing would happen. But when I heated the hot end both temperature readings started to rise. The thermistors are in good shape and after switching connections I realized that the T1 connection on my 2560 board is the one misfunctioning. I have been messing with the firmware configuration.h file but I can't get itbto work. Any suggestions?
Re: Arduino 2560 T1 connection not working
May 17, 2016 08:38AM
Go to pins h file and switch the pins from T2 to become the new T1, unless you are using dual extruder.
Re: Arduino 2560 T1 connection not working
May 18, 2016 01:47AM
Do you think you could show me where in the code that is located? I took a look at it but I could barely understand it.

Edited 1 time(s). Last edit at 05/18/2016 01:47AM by leomireles007.
Re: Arduino 2560 T1 connection not working
May 18, 2016 02:46AM
in latest marlin [github.com]

ie in the file pins_RAMPS_14.h

#define TEMP_0_PIN 13 // ANALOG NUMBERING
#define TEMP_1_PIN 15 // ANALOG NUMBERING

and a bit lower down

#define TEMP_BED_PIN 14 // ANALOG NUMBERING

t0 is pin 13
t1 is pin 14
t2 is pin 15

Just swap these as needed..

ie to swap t1 and t2 change the following
#define TEMP_1_PIN 14 // ANALOG NUMBERING
#define TEMP_BED_PIN 15 // ANALOG NUMBERING
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