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SKR2 & BTT_TFT35 v3.0 E3


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I recently purchased a BTT SKR 2 getting Marlin installed and mostly working, but I can not get the BTT TFT that was ordered as a Bundle to work in the BTT TFT mode. it works ok in the "Marlin" mode, but for the life of me I can not get the TFT side to work.

I have set in my Configuration.h;

#define SERIAL_PORT -1 //have tried 0,1,2

#define BAUDRATE 115200 

#define SERIAL_PORT_2 1 // have tried 0,1, 2
#define SERIAL_PORT_3 3 // Have tried 0, 1 and -1

and set;

what is the magic combination for this, is there additional conf files needed?  I'm at my wits end!

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"1. Please make sure that serial port 1 is enabled in the marlin firmware

#define SERIAL_PORT 1

, and the baud rate is set to 115200

2. Please confirm that the wiring between the motherboard and the touch screen corresponds to
   Motherboard Touch Screen

3. Make sure the baud rate of the touch screen is also 115200"


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  • 1 month later...

Where did you get all this information on how to configure everything? I am trying to set up the same config but I have the opposite problem.  Marlin won't work but the touch screen does seem to work.  It just says "Marlin Mode" in orange.  I have SKR2, Klipper, TFT35 3.0 E3.  Thank youspacer.png

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  • 3 weeks later...

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