This is documentation of the low-level behavior of the VanTurtle DIY Fan Controller and the interfaces it exposes. If you have any questions not addressed here, please shoot us an email!
Installation guide
Step-by-step instructions for wiring and installing the controller.
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Communicating with the fan controller
Detailed overview of the protocol used to communicate with the controller from your microcontroller. Includes addressing and the read and write operations to registers.
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Using the expansion options on the controller
The controller comes with multiple different headers aimed at making tinkering as easy as possible. This goes into detail on what each header does and how you can best use it in your projects.
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Differences between RJ45 and RJ11 ports
Plus and Deluxe fans expose different control options through ports intended for wall-mounted control panels, each offering different levels of functionality.
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Alternative uses for the second port
If you are only using one fan, the DIY controller’s second port can be repurposed for advanced fan control, 12V signal switching, or controlling other devices like inverters that use RJ11-style remote inputs.
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