forked from ultimachine/Ramps 1.4 and GermanRepRap/Ramps-1.4.2
#####RAMPS 1.4.3 Change log
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Works with 12/24V
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Capacitors updated to operate at 24V
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Improved MOSFETs, swapped to Infineon IPD036N04L G
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Lower RDSon, 3.9mOhm vs 16mOhm at Vgs = 5V
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SMD, good heat dissipation via PCB
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Higher current capability
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Selectable Logic-Level Voltage
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Jumper to select between 5V and Arduino IOREF
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Allows easier modification to run RAMPS on Arduino Due
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Additional 12/24V Auxiliary output
#####RAMPS 1.4.2 Change log
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Standard blade fuses instead of thermal fuses increasing the heat resilience.
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Current carrying improved by increasing the thickness of the cooper at the PCB from 35 to 70 micro meters.
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Suppression caps added to each end-stop to avoid spurious signals.
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Added an additional connector to XY, E1 and E2 to connect a second stepper motor.
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Connector for external reset added.
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Labeled D8, D9,D10 with Heatbed, Extrude 1, Fan and Extruder 2.