User Guide

Click “INSTALL”
Wait until it shows “Driver install success”
Download from U disk. Double-
click to start installation.
Driver Installation
To Determine your Machine's COM port
• For Windows XP: Right click "My Computer"→
Select "Manage"→ Select "Device Manager".
• For Windows 7: Right click "Computer"→ Select
"Manage" → Select "Device Manager" from left
pane.
• For Windows 10: Right click “This PC"→ Select
"Manage" → Select "Device Manager" from left
pane.
• In the tree, expand "Ports (COM & LPT)“ , your
machine will be the USB Serial Port (COMX),
where the “X” represents the COM number, for
example COM6.
• If there are multiple USB serial ports, right click
each one and check the manufacturer, the
machine will be “CH340”.
How to Use Grblcontrol (Candle)
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