Board specifications:
Size: 110x58mm
Input voltage: 5V DC
Installation size:103.76 * 49.43 mm
Notes:
1. When using 12864 screen mode, connect the port EXP1 and EXP2 to the motherboard.
There is no touch function in this mode. (If you want to use the
SKR MINI E3 or SKR E3 DIP, just connect EXP3 to the motherboard.)

2. When using serial port screen mode, connect with TFT or aux-2
on the motherboard via RS232. This mode has touch function.

3. Two work modes can be changed by one key. Press the rotary
encoder for about 3 seconds until the mode selection page
appears, then press the encoder after selecting

Onboard LED information:
- Red light D2 is the power indicator; it is on when the board is powered.
- Red light D1 is SD card detection indicator; it is on when a SD card isinserted.

Firmware:
The screen will be shipped with a test firmware, it can be used directly. The firmware is customizable according to your needs.
You can find the needed firmware files on our Github page: Please search BIGTREETECH at GitHub

Firmware update method:
Firmware file name： BIGTREE_TFT35_V3.0.1(version number).bin
Fonts & icons folder name: TFT35
First copy the above firmware and TFT35 folder to SD root
directory, and then insert the card into the SD card slot of the board.
Next, boot the board or press the reset key, then wait for
firmware, fonts and icons update is completed.
For customizable firmware, please refer to the file TFT35-V3.0-PIN.
Notes:
1. The firmware file name in the SD card cannot be changed, including capitalization.
2. Ensure that all wires and connectors are correctly plugged in before power-on.