Please refer to the following firmware link：https :
//github.com/bigtreetech/BIGTREETECH-SKR-mini-E3/tree/master/hardware/BTT%20SKR%20MINI%20E3%20V1.2

If your motherboard is B IGTREETECH-SKR-mini-E3 V1.0, please check the BIGTREETECH-SKR-mini-E3 V1.0 document in the firmware and hardware files.

If your motherboard is BTT SKR mini E3 V1.2, please check the BTT SKR mini E3 V1.2 document in the firmware and hardware files.

Refer to the main differences of BTT SKR mini E3 V1.2:

https://github.com/bigtreetech/BIGTREETECH-SKR-mini-E3

关于TFT35-E3 V3.0：https ://www.biqu.equipment/collections/lcd/products/btt-tft35-e3-v3-0-display-touch-screen-two-working-modes

About TFT35 V2.0：

• Appearance size：110 * 60mm

• Installation size ：105 * 55mm

About TFT24 V1.1

“ TFT24 V1.1（Standard configuration）”：

1PC BIGTREETECH TFT24 V1.1 Screen

1PC Touch screen cable

2PCS Ordinary LCD cable

“ TFT24 V1.1（for Ender3）”：

1PC BIGTREETECH TFT24 V1.1 Screen

1PC Touch screen cable

1PC Special Ender 3 Original 12864LCD cable

Product name: BIGTREETECH SKR MINI E3

Motor driver: integrated TMC2209-UART

Microprocessor: ARM Cortex-M3 CPU

Input voltage: 12 / 24V

Appearance size: 100 * 70.25mm

Compatible: Ender3, Ender5 printers

Support display: TFT28, TFT35, Ender3 original LCD12864

Motor drive interface: XM, YM, ZM, EM, 4 channels

Temperature sensor interface: TH0, THB, 2 channels 100K NTC (thermistor)