BIGTREETECH TFT70 V3.0 Graphic Smart Display Mainboard for Creality Ender 3, Compatible with UART Serial Screen and 12864 LCD Mode

Product name: BIGTREETECH TFT70 V3.0

1. Product parameters:
Appearance size: 196*100mm
Installation size: 188*92mm
MCU: STM32F407VGT6
Screen display area: 153.84*85.776mm
Screen resolution: 800 (H)*3 (RGB)*480 (V)
Number of screen backlights: 21 white LED lights
Power input: DC 5V
Logic voltage of SD card: 3.3V and 5V (e.g. motherboard supporting MEGA2560 main control chip, higher compatibility)

2. Description of the indicator lights on the motherboard:
After the motherboard is powered on:
a. D6 red light is the power indicator: the red light is on, indicating that the power supply is normal;
b. The red light of D4 is the indicator light for SD card detection: it is always on when the SD card is inserted, and goes out after being pulled out.

3. Motherboard interface description:
a. When using the class 12864 screen mode, connect with EXP1 and EXP2 on the motherboard;
b. When using the serial port screen mode, connect to the TFT or AUX-1 on the motherboard through RS232;
c. The two modes can be switched by one key. The specific operation is: long press the encoder for about 3S until the mode selection page appears, then select the mode and press it.