| Project |   parameter  |  Project |   parameter  |  
| Power supply |   5V/12V  |  IO ports |   4 groups  |  
| 232 serial ports |   3  |  TCP/IP network port |   1  |  
| VGA display resolution |   600*800  |  Program sockets. |   2  |  
09 Amazon Motherboard | Project |   parameter  |  Project |   parameter  |  
| Power supply |   5V/12V  |  IO ports |   1 groups  |  
| 232 serial ports |   2  |  TCP/IP network port |   1  |  
| VGA display resolution |   600*800  |  Program sockets. |   6  |  
| IO gold finger |   1  |  
Eagle13 board | Project |   parameter  |  Project |   parameter  |  
| Power supply |   5V  |  IO ports |   3 groups  |  
| 232 serial ports |   2  |  DUP/IP network port |   1  |  
| VGA display resolution |   1024*768  |  Program sockets. |   1  |  
| Storage |   256M  |  485 communication port |   1  |  
