define PIN for FAN control for Dual Extruder on Arduino RAMPS1.4

Hi Rpetier,

I have upgrade mi Kossel Printer DLT180 for dual extruder with the Firmware 0.92.8, but after i have download a new configuration.h file I have found that:
.....
#define NUM_EXTRUDER 2
#define MOTHERBOARD 33
#include "pins.h"

// ################## EDIT THESE SETTINGS MANUALLY ################
// ################ END MANUAL SETTINGS ##########################

#undef FAN_BOARD_PIN
#define FAN_BOARD_PIN -1
#define BOARD_FAN_SPEED 255
#define FAN_THERMO_PIN -1
.....

and then a question: is it possible configure  an alternative PIN to control a fun during printing of small sections ?

Thanks very muche for your great work and support. 
Alberto

Comments

  • Sure you can. You also do not need to overwrite FAN_BOARD_PIN. That is just the default, but in config tool you select the pin to use and below named pins you find all digital pin numbers. If I rememeber right the extender uses pins 4 and 5.
  • Hi Repetier

    thanks, I have selected Digital PIN 5 on Print Cooling Fan Pin and I have attach a mosfer driver on this (servo Block on RAMPS)

    Then a I have download a new configuration.h and compile it: it seems OK

    I have also put a small donation for your great work

    Thanks very much
    Alberto
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