BIG TREE TECH TFT24-V1.1 User manual

Shenzhen BIGTREE Technology co., LTD.
BIG TREE TECH
BIGTREETECH
TFT24-V1.1
User Guide

Shenzhen BIGTREE Technology co., LTD.
BIG TREE TECH
I. Product Introduction
BIGTREETECH TFT24-V1.1 is a small volume ultra-clear 3D
printer display board. It can work in two modes. The board is
launched by the 3D printing team of Shenzhen BIGTREE
Technology co., LTD. This board can replace LCD12864 for use.
Product Advantages
1 ） ARM Cortex-M3 series STM32F105RCT6 chip with 32-bit CPU 72MHz;
2 ） Upgrade the firmware by SD card. It is easy and convenient to
operate.
3 ） This display board has higher compatibility. Users can select two work
modes, they are UART serial port screen mode and 12864 screen mode.
4 ） Serial port screen mode supports two printing modes: SD card and U disk.
Product Parameters
Appearance size: 105*46mm
Installation size: detail information in TFT24-V1.1-SI
Microprocessor：STM32F105RCT6
Power Input：DC5V
II. Indicator Information
After the board is powered on, the red power indicator light D3 will light
up, indicating that the power supply is normal. The red light D1 is SD
card detection indicator. D1 often shines on when SD card is inserted,
and the light goes out when the SD card is pulled out.

Shenzhen BIGTREE Technology co., LTD.
BIG TREE TECH
III. Interfaces on the board
Size diagram
Connection diagram
1) When using 12864 screen mode, connect the port EXP1 and EXP2 to the
motherboard. There is no touch function in this mode.
2) When using serial port screen mode, connect with TFT or aux-2 on the
motherboard via RS232. In this mode, there is touch function.
3) The two modes correspond to two different firmwares, please
connect wires according to the mode type of the flashed firmware.

Shenzhen BIGTREE Technology co., LTD.
BIG TREE TECH
IV. Firmware Introduction
Factory board will be equipped with test firmware, it can be used
directly. User can also change the firmware according to their own need.
1. Ways to obtain the firmware of motherboard
1) Get it from customer service or technical staff
2) Log in the open source website of our company to download:
https://github.com/bigtreetech
2. Firmware update
Firmware file name：
BIGTREE_TFT24_12864_(version code).bin
BIGTREE_TFT24_Serial_(version code).bin
First copy the above firmware to SD root directory, and then insert the card
into the SD card slot of the board. Next please re-power the board or press
the reset key, and wait for about 10 seconds before the update is completed.
3. For DIY board firmware, please refer to the file TFT24-V1.1-PIN.
V. Notes：
1. The name of the firmware file in the SD card cannot be
changed. (including capital and small letters)
2. Wiring process must be under the precondition of power outages.
Users must check the correct connection of the circuit and the
correct insertion of the drive before turning on electricity.Pay
attentionto thewiringsequenceanddonotinsert thewireinversely.
PleaserefertoPINfilefordetailedlineorder.
If you meet other problems in the use, you are welcome to contact
us, we will answer for you carefully. If you have any good comments
or suggestions on our products, you are welcome to give us
feedback, and we will carefully consider your comments or
suggestions. Thank you for supporting BIGTREETECH
products.