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Find your machine, below, and click on the appropriate link for the latest firmware and instructions.

If you click on one of the links and are taken to a Github page, use the green Code button at the top to download the latest version, (unless specified otherwise in the instructions).


Please read the Maslow-specific instructions.

There are two common types of Maslow, built with two different Arduino boards:

Tip: Coming from GroundControl/WebControl with an original Maslow Mega? Read this forum post for help upgrading firmware.

Note: the firmware for the Arduino Due underwent significant changes in September, 2020. If your firmware was installed before this point, it is actually a Grbl machine (below) and does not have support for the Maslow-specific features, like correcting for chain-sag effects (rounding) that happen in the corners of the stock.


Tested On

  • SainSmart Genmitsu 3180 Pro (Baud Rate: 115200)

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