AllSpice demonstration repo
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AllSpiceUser aec58ab790 Merge pull request 'Fix reference designator position and alignment' (#23) from develop into main
Reviewed-on: #23
5 months ago
.allspice Add check for correct branch 9 months ago
Firmware@2f9e3b771e Add firmware submodule 2 years ago
.gitattributes Add linguist detectable to *.cmp 6 months ago
.gitignore add *.gif to .gitignore 6 months ago
.gitmodules Add descriptions to submodules 9 months ago
Archim.OutJob Capture new outjob 6 months ago
Archimajor.PcbDoc Increase width of +5V trace 6 months ago
Archimajor.PrjPcb Create variant to test range of motion 9 months ago
Archimajor.SchDoc Increase size of subckt labels 6 months ago
Archimajor.csv Add ESD protection to endstops 9 months ago
Connectors.SchDoc Increase motor label size for readability 6 months ago
EndStops.SchDoc Remove extra endstop channel 6 months ago
Fans.SchDoc Remove MCU control of fan 2 6 months ago
Microcontroller.SchDoc Align input buffers 6 months ago
Mosfets.SchDoc Remove mosfet ch, change R30 to 10K 6 months ago
Motors.SchDoc Move testpoints for readability 6 months ago
Power.SchDoc Increase size of subckt labels 6 months ago Update '' 6 months ago
Thermistors.SchDoc Align thermister channels for readability 6 months ago
Thermocouples.SchDoc Move layout notes for readability 6 months ago
USB.SchDoc Increase bias current for optofet 6 months ago Add URL to license 6 months ago



3D printer motherboard, designed by Ultimachine. Features include:

  • 5x integrated 256 microstep motor drivers
  • 6x PWM Mosfet outputs
  • 4x thermistor inputs
  • SPI (Serial Peripheral Interface)
  • ** Removed infinite loop on self-calibration.
  • ** Added open load test


General Specifications

Input Power Supply: 12V - 24V DC, 16A+

Operating Temperature Range (est.): 0dC ~ 70dC




Bill of Materials



Changed heat bed fuse holder to yellow to differentiate channels.


*NOTE: This does not represent actual data from the Rambo/Archimajor PCBA