nanoDLP

musty

Member

Registered: 2019-11-20

Posts: 10

Ramps doesn't cotrol UV LEDs

Hi everyone,
I ambuilding a SLA printer with rpi3 and mega+Ramps board. I have installed marlin for muve3d and I use nanodlp generic version on dashboard. Z axis and endstops work good. But I can not control UVLED's. How can I turn on/off uv leds? I have select board as 33 in Marlin. I have changed distribution to muve3d also but it didnt work. Now i selected Nanodlp generic version.

bigfilsing

Member

Registered: 2016-11-20

Posts: 306

Re: Ramps doesn't cotrol UV LEDs

Typically on ramps boards the UV LEDS are connected to fan output and controlled by Gcode = M106 to turn on & M107 to turn off

musty

Member

Registered: 2019-11-20

Posts: 10

Re: Ramps doesn't cotrol UV LEDs

I tried it but does not work. Then i found out it. In marlin; go to pins.h file. And change FAN pins for motherboard 33 from 4 to 9. Then it works
Thank you everyone

Last edited by musty (2019-12-22 15:40:21)

bigfilsing

Member

Registered: 2016-11-20

Posts: 306

Re: Ramps doesn't cotrol UV LEDs

That's strange. It should have worked as standard.  Of course if you've used a modified version of Marlin it may have been changed.  As you specified you're using "motherboard 33" tells me your using an old version of Marlin. the later versions of Marlin ( 1.9) don't need any modification as there's a setting in config that allows Marlin to send NanoDLP the feedback it requires.
Good luck