User Guide
2. Connect the control board to the computer with a USB cable first
3. View the COM number on your computer
• Windows XP: Right click on "My Computer", select "Manage", select "Device Manager".
• Windows 7: Click "Start" Right click "Computer" Select "Manage" Select
"Device Manager" from left pane.
• Windows 10: Click "Start" Right click "Computer" Select "Manage" Select "Device
Manager" or ''Universal Serial Bus Controller''.
• In the tree, expand "Ports (COM & LPT)"
• Your machine will be the USB Serial CH340 (COMX), where the “X” represents the
COM number, for example COM5.