Leviathan Extension Board
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The Leviathan Extension Board is a plug and play PCB that expands the feature set of the original Leviathan controller board. It adds:
2x Integrated TMC5160 stepper drivers
2x Fan ports with flyback protection, 12V/24V selectable voltage, and tachometer inputs
2x Thermistor ports with 2k2 ohm pullup resistors
1x Piezo Buzzer