==User Manual==
* The hardware design refers to the official design, please refer to: https://datasheets.raspberrypi.com/cm5/cm5io-datasheet.pdf
* Hardware Installation: [https://suptronics.com/Raspberrypi/cm5/x1500-v1.0_hardware.html X1500 Hardware], '''please click the left link to view it, and it's very important!'''
* How to make it work: [https://suptronics.com/Raspberrypi/cm5/x1500-v1.0_software.html X1500 Software], '''please click the left link to view it, and it's very important!'''