
                    For atmel, we pick up the best solutions provided by github life savers.
                    If google brings you here, you are so lucky! These life savers are angels, they have well solved your problems.
                    So do not waste time scrolling the original issue threads just to dig out solutions... 
                    Here you are, you are welcome. Then, go back to work!
                    

Just hit this with a Tevo Tornado with a MKS GEN L board and RRD Full Graphic Smart Controller trying to install Marlin 1.1.8 then 1.1.9 

Marlin Full graphic controller issues under Arduino >1.0.6

To sum up the intended way to do configuration for the En_AUTO_FAN_PIN settings is to just comment out the ones that you want to enable 

Marlin Extruder fan doesn't come on automatically.

I've tried 0 400 0 and 250 250 250 but nothing changes So here I am again 

Marlin Reprap Discount Full Graphics Smart Controller Display is Garbled

@boelle Thank you for reopening it I'm about to close it again but I will update for the benefit of others 

Marlin [BUG] TMC2209 Sensorless homing sensitivity is off

Marlin Firmware to get Creality v4.2.7 boards working perfectly
Steps to help anybody that needs to get this board working ok
Source of this how to: https://github.com/Flawioo/Creality-Ender-3-board-v4.2.7/blob/master/README.md
Visual help: https://youtu.be/OJmE9xwPk1U
Download bugfix from git hub https://github.com/MarlinFirmware/Marlin/archive/bugfix-2.0.x.zip
Download Configuration examples: https://github.com/MarlinFirmware/Configurations/archive/bugfix-2.0.x.zip
In platformio.ini
Change: default_envs = mega2560
To: default_envs = STM32F103RET6_creality
In Configuration.h apply the following settings:

In Configuration_adv.h enable the following:

Compile
In Auto Build Marlin at Visual Studio

Marlin Ender 3 v1 with 4.2.7 board

which firmware version has this

bugfix-1.1.x and bugfix-2.0.x

how can I activate the feature so I can test it? 