Geeetech

Hi all, I'm not able to control the speed of the extruder cooling fan. I am using firmware Marlin 1.1.8. The fan is allways running at full speed, even when the extruders are cold. Trying with RepetierHost fails, although direct use of gcode M106 does not work. The fan is connected to the correct so...

OK, I found a similar problem here, so I ground off the noses of the connectors and put the cables in the bases front to back. Then the display works as a normal LCD 2004 and also the controller works. >>> I just recognised that it only works, if there is a I2C Interface connected to the dispaly. I ...

OK, I found a similar problem here, so I ground off the noses of the connectors and put the cables in the bases front to back. Then the display works as a normal LCD 2004 and also the controller works. >>> I just recognised that it only works, if there is a I2C Interface connected to the dispaly. I ...

Hi, I have an unknown LCD2004 display and controllboard.
I don't know what kind of type I should select under Marlin. I allready tried some without success.
Can anybody identify this board by the pictures?
thx

Hi, I have an unknown LCD2004 display and controllboard.
I don't know what kind of type I should select under Marvin. I allready tried some without success.
Can anybody identify this board by the pictures?
thx