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Auto cooling fan on custom pin

Posted by mstitdk 
Auto cooling fan on custom pin
February 01, 2018 11:44AM
Is is posible to code that FW turn on a fan on a custom pin when extruder is above 80 degrees or something

like:

#define EXTRUDER_AUTO_FAN_TEMPERATURE 50
#define EXTRUDER_AUTO_FAN_SPEED 255 // == full speed
Re: Auto cooling fan on custom pin
February 01, 2018 11:51AM
and the reason why I don't use:

#define E0_AUTO_FAN_PIN -1 //er lig med linje:208 i pins_ramps.h
#define E1_AUTO_FAN_PIN -1
#define E2_AUTO_FAN_PIN -1
#define E3_AUTO_FAN_PIN -1
#define E4_AUTO_FAN_PIN -1
#define EXTRUDER_AUTO_FAN_TEMPERATURE 50
#define EXTRUDER_AUTO_FAN_SPEED 255 // == full speed

Is that I S3D use M106 to controle fan speed when bridging and other stuff. unless I can use a custom gode to tricker part cooling and fan speed
Re: V 1.1.8 & a Laser cooling fan on custom pin
February 01, 2018 01:43PM
Currently I'm using Marlin 1.1.0 - RC6 for a printer that I have attached a Laser to.
I have been using M106, M107 and D9 (connection) for laser on, off and power control. I see that in
Marlin 1.1.8 M3, M4 and M5 have been set up for spindle / Laser control. Is there
any advantage of M3, M4, M5 over using M106/107? I know that I would need to
switch to a 5V PWM pin but is there anything else?

thanks
Re: V 1.1.8 & a Laser cooling fan on custom pin
February 01, 2018 01:57PM
Quote
kd6hq
Currently I'm using Marlin 1.1.0 - RC6 for a printer that I have attached a Laser to.
I have been using M106, M107 and D9 (connection) for laser on, off and power control. I see that in
Marlin 1.1.8 M3, M4 and M5 have been set up for spindle / Laser control. Is there
any advantage of M3, M4, M5 over using M106/107? I know that I would need to
switch to a 5V PWM pin but is there anything else?

thanks

What....?!?!?!?
Re: Auto cooling fan on custom pin
February 01, 2018 05:05PM
Sorry, looks like I got a little lost, not sure how I sent it to this post but I did.
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