
Shenzhen Big Tree Technology Co., Ltd.
BIGTREETECH
2/26
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