5 – Update Firmware
Grbl v1.1f comes preinstalled on the control module. Should it become necessary to replace the delivered firmware with
a newer one, this is also possible at any time thanks to the built-in bootloader.
CH340 device driver
For Windows 7 users, the CH340 driver must be installed first in order to communicate with the control board. For
Windows 10 users, this driver is automatically installed the first time the control board gets connected to the computer
via a USB connection.
Download Update-Archive
Now download the appropriate firmware for your CNC milling/engraving machine, preferably directly from the
manufacturer's website. Usually this is an archive file. It contains both the required firmware file of type ".hex" and the
"xloader" program required for transfer. If the xloader is not included in your update archive, you can also find it on the
Internet by searching for "xloader arduino".
Hint:
SainSmart is not liable for damage to the control module or other modules and devices connected to it resulting from
improper or incorrect firmware installation. SainSmart is also not liable for any other damage to persons or property.
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