#define EXTRUDER_AUTO_FAN_SPEED 255 // 255 = full speed * temperatures go above EXTRUDER_AUTO_FAN_TEMPERATURE. * Extruder auto fans automatically turn on when their extruders'
Configure the Hotend Heat Sink Fan (FAN2/PB15) to turn on at full speed when the hotend is above 50 deg C. The Part Cooling Fan (FAN0/PC6) is controlled by the slicer / gcode commands. Hotend Heat Sink Fan, to cool down the hot end Part Cooling Fan, to cool down the extruding filamentĮlectronic Enclosure Fan, to cool down the stepper motor drivers The fan pins are defined in file Marlin/src/pins/stm32g0/pins_BTT_SKR_MINI_E3_V3_0.h: //Ĭonnect the fans as per the table below: Port However, the firmware must be configured accordingly and in particular, it must know which fan is connected to which port to control each fan according to its function. The 3 ports are functionally equivalent therefore you could connect any fan to any port. There a 3 fan ports, FAN0, FAN1, and FAN2. One of the main difficulty with the SKR MINI E3 is to get the fans to work properly. You can download my Marlin configuration files for the SKR Mini E3 V3 on GitHub. In the sections below, I provide some details about the configuration changes specific to the SKR Mini E3 which are not very well documented… SKR Mini E3 V3 Marlin Configuration The easiest way would be to start from my configuration files, which are know to work, and to update what you need. Otherwise, you will need to update the configuration files for your 3d printer configuration, compile & flash the firmware. Download Klipper Firmware for the SKR Mini E3 V3 on GitHub. Download Marlin firmware for the SKR Mini E3 V3 on GitHub. If you happen to have a BondTech BMG extruder + E3D V6 hotend + BLTouch, you can download directly the firmwares below: The HOTEND HEAT SINK FAN requires a JST 2 pins connector (in the Creality mainboards, it is connected directly, without a connector)īigTreeTech SKR Mini E3 Mainboard Wiring Creality V4.2.7 Mainboard Wiring Creality V1 Mainboard Wiring SKR Mini E3 V3 Firmware. The polarity +/- of some connectors (e.g. It has the same physical size & mounting holes. 
The SKR Mini E3 V3.0 is almost a direct replacement of the Ender 3 mainboards. Thank you for supporting the channel! SKR Mini E3 V3 Installation & Wiring
As an Amazon Associate I receive a small commission (at no extra cost to you) if you make a purchase after clicking one of the affiliate links. What You Need BIGTREETECH SKR Mini E3 V3.0ĭISCLAIMER: Some links are affiliate links. How to install Klipper on the SKR Mini E3 V3.
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