BIG TREE TECH TFT50 V3.0 User manual

Shenzhen BIGTREE technology co., LTD.
BIG TREE TECH
BIGTREETECH
TFT50 V3.0
User Guide

Shenzhen BIGTREE technology co., LTD.
BIG TREE TECH
Ⅰ.Introduction
BIGTREETECH TFT50 V3.0 is a display screen with middle size, two
operation mode and super clear launched by the 3D printing team of
Shenzhen BIGTREE technology co., LTD., which can perfectly replace
LCD12864.
1. Features：
1. MCU: ARM 32 bit and 120MHz STM32F205/207VCT6 of Cortex-M3
series.
2. More convenient operation: upgrading the firmware by SD card.
3. Stronger compatibility: two working model, UART screen and screen of
12864 types.
4. UART screen supporting SD card and U disk.
5. Having WIFI port, plugging WIFI module can achieve WIFI function.
6. Having filament runout detection function port (FIL-DET).
7. Having function port for automatic shutdown after printing(PS-ON)；
8. LCD12864 mode including EXP1、EXP2、EXP3，EXP1and EXP2 is for LCD
screen of ordinary motherboard, and EXP3 is for LCD screen of E3 series(like: SKR
MINI E3、SKR E3 DIP etc.).
9. TFT touch screen: UART screen RS232 port.
10. Having 2 UART port for users DIY.
2. Parameters：
Appearance size: 149*77.5mm
Installation size: 141*69.5mm
More details from BTT TFT50 V3.0 -SIZE-TOP.pdf and BTT TFT50 V3.0
-SIZE-BOT.pdf documents
MCU: STM32F205/207VCT6
Screen display area: 110.88*62.832mm
Display resolution: 480（RGB）*272
Backlight: 12 white LED lights
Power input: DC 5V
Logic voltage of SD card: 3.3V and 5V (like: supporting motherboard with
control chip MEGA2560, with stronger compatibility)

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Ⅱ. Description of motherboard indicators
Motherboard with power:
D6 red light is power indicator: the red light is on, indicating power supply.
D4 red light is SD card indicator: the light is on when plug SD card, go out
after pulling out.
IV. Interface Instruction
1. Picture of Size

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2. Picture of PIN
Explanation:
1. Connecting EXP1 and EXP2 on motherboard when using screen of
12864 types.
2. Connecting the TFT or AUX-1 on motherboard by RS232 when using
UART screen mode.
3. Two model switch: press the encoder about 3S until the mode selection
page appears, then select the mode and press it.
V. The firmware description of
motherboard
There is firmware in the motherboard which set in factory for testing. You can
use it directly or can upgrade it through our open source website.
1. Ways of getting firmware
Connecting customer service or technicians.
Log in the open source website: https://github.com/bigtreetech
2. Method of firmware upgrade
Name form of firmware file as following:
BIGTREE_TFT50_V3.0.version number.bin
Please copy the firmware into the root directory of SD card. Then, plug it into the
interface of screen. Next, power it and press the RESET button. Last, it will
successfully copy in 10S
3. Please refer to BTT TFT50 V3.0-PIN.pdf for firmware of motherboard DIY

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VI. Notes
1. The name of firmware in SD card can’t change. (Including the letters)
2. We should pull the plug before connecting the screen to printer for ensuring
safety and avoiding damage of module. Please check cables and drivers in correct
place before plugging it in. It may cause burning and damage if cables are wrong
connecting.
3. Please do not connect the wrong interface when wiring. You can get more
detail from PIN document.
If you encounter other problems, please contact us. We will definitely answer your
questions patiently. If you have any good suggestions on our products, please give us
feedback. We will consider them seriously. Thank you for choosing BIGTREETECH
products!