youyeetooRJ comes pre-installed with Android 15
Unpack the box, remove the development board, and connect the power supply, as shown below:
Connect to an HDMI monitor; the display screen is as follows:


Download and install the driver from the download page Download, click to jump
Download and install the driver from the download page Download, click to jump





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youyeetooRJprovides the following debugging methods: Serial Port Debug, ADB
Preparation
Install the CH340 driver Download materials, click to jump
Hardware Connection

Open the software and configure it as follows:
Serial Port Parameter Configuration
Baud Rate: 1500000
Data Bits: 8
Stop Bits: 1
Parity: None
Flow Control: None
Install RK Driver Assistant Download, click to jump
Install RKDevTool Burning Tool Download, click to jump

The ADB software is located in PATH\RKDevTool\RKDevTool_Release\bin path;
Add it to Windows In the environment variables; Open the PowerShell terminal, type adb shell, and you can log in to the adb terminal.