BIG TREE TECH Pad 7 Manual de usuario
Shenzhen Big Tree Technology Co., Ltd.
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BIGTREETECH
Pad 7 V1.0
User Manual
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Contents
Revision History............................................................................................................................................................... 3
Product Profile..................................................................................................................................................................4
Specifications..........................................................................................................................................................4
Feature Highlights..................................................................................................................................................4
Dimensions.............................................................................................................................................................. 5
Connectivity.......................................................................................................................................................................5
Connection between Pad7, EBB36, and ADXL345........................................................................................ 8
To Replace CB1 with CM4..............................................................................................................................................9
To Remove the Bracket................................................................................................................................................ 11
To Work with a CB1....................................................................................................................................................... 13
Download OS Image............................................................................................................................................ 13
To Download and Install the Writing Software............................................................................................. 13
Start to Write OS...................................................................................................................................................13
Using Raspberry Pi Imager......................................................................................................................13
Using BalenaEtcher................................................................................................................................... 15
System Settings....................................................................................................................................................17
Setting Description.................................................................................................................................... 17
Setting up WiFi............................................................................................................................................ 17
Pad 7 Settings............................................................................................................................................. 18
Setting up Touch Feedback..................................................................................................................... 19
Setting up SPI to CAN............................................................................................................................... 21
Setting up ADXL345................................................................................................................................... 21
To Work with a CM4....................................................................................................................................................... 22
Setting up Backlight............................................................................................................................................ 22
Setting up Resolution and Touch.................................................................................................................... 22
Setting up SPI to CAN......................................................................................................................................... 22
Setting up ADXL345.............................................................................................................................................23
FAQ.................................................................................................................................................................................... 24
CAN bus Not Working......................................................................................................................................... 24
ADXL345 Not Working........................................................................................................................................ 25
Cautions........................................................................................................................................................................... 26
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Revision History
Version
Revisions
Date
01.00
Original
2023/03/25
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Product Profile
The BIGTREETECH Pad 7, a product of Shenzhen Big Tree Technology Co., Ltd.,
is a tablet equipped with pre-installed Klipper and KlipperScreen. The BTB
headers have been engineered to provide users with the flexibility to select from
various solutions, including CM4, CB1, and more.
Specifications
1. Dimensions: 185.7 x 124.78 x 39.5 mm
2. Display Viewing Area: 154.2 x 85.92 mm
3. Display: 7 inches, 1024 x 600 resolution, 60Hz refresh rate
4. Viewing Angle: 178°
5. Brightness: 500 Cd/m²
6. Input: DC 12V, 2A
7. Rated Power: 7.3W
8. Display Port: HDMI
9. Touch Port: USB-HID
10.PC Connection: Type-C (CM4 eMMC OS writing)
11. Interface: USB 2.0 x 3, Ethernet, CAN, SPI, SOC-Card
12.Core Board: BIGTREETECH CB1 v2.2, 1GB, accompanied by a SanDisk 32
GB memory card
Feature Highlights
1. The 7-inch IPS touch screen offers a wider field of view, high level of detail,
and a comfortable user experience.
2. Features a built-in speaker, which allows you to adjust the volume with the
volume buttons.
3. Having a 3.5mm headphone jack, which enables you to connect headphones
or external speakers.
4. The touch experience is enhanced with vibration feedback.
5. The built-in light sensor adjusts the backlight brightness automatically based
on the available light.
6. Incorporates the GT911 high-performance touch chip, which supports 5-point
touch.
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7. The bracket attaches securely to the back of the Pad 7 during storage and
folding, thanks to the built-in magnets.
Dimensions
Connectivity
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Light-Sensor: built-in light sensor to automatically adjust the brightness of the
backlight based on the intensity of ambient light.
RGB: Status light.
USB2.0: USB-Host peripheral interface.
USB OTG: Communication interface with the host computer.
Volume-：built-in speaker volume decrease.
Volume+：Built-in speaker volume increase.
Power-IN DC12V 2A: coming with a 12V 2A power adapter.
USB2.0*2: USB host peripheral interface.
Ethernet: RJ45 (CB1 supports 100M networking, CM4 supports Gigabit
networking).
CAN: CAN peripheral interface (MCP2515 SPI-CAN).
SPI: SPI peripheral interface (can connect to ADXL345 accelerometer
module).
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Note: It is not possible to use the CAN interface and the ADXL345
accelerometer SPI interface simultaneously due to the MCP2515 SPI to CAN
conversion.
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Connection between Pad7, EBB36, and ADXL345
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To Replace CB1 with CM4
1. Disconnect the power supply, and place the Pad 7 backside up on a flat
surface.
2. Use a 1.5 mm hex key to remove the two M2.5 x 3 flat head countersunk
screws in a counterclockwise direction.
Slide the bottom cover upwards using your fingers.
3. Use a 2.0 mm hex key to remove the four M2.5 x 10 socket head cap screws
in a counterclockwise direction.
Remove the heatsink.
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4. Use tweezers to gently lift the antenna connector highlighted in 1 to
disconnect it from CB1.
Then remove CB1.
5. Align the BTB connectors of the Pad 7 and CM4.
Press down on the CM4 until it is firmly seated in place. Please note that CM4
should be installed in the direction shown in the figure below.
Plug the antenna connector into the port highlighted in 2.
6. Cover the heatsink back onto the CM4.
Este manual sirve para los siguientes modelos
2
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