Gigabot revision history

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Mechanical

Filament Spool

  1. Filament spool topside - GB2-002 to GB2-005
  2. Filament spool lowered- GB2-006 to GB3-380
  3. Filament spool holder 3D printed GB3-380 to current

Electrical Enclosure

  1. Single fan hole in electrical box right side- GB2-002 to GB2-015
  2. Single fan hole in electrical box bottom side- GB2-016 to GB2-025
  3. Dual fan holes in electrical box. Right and bottom sides - GB2-026 to Current
  4. Power supply vent added to enclosure door GB3-332 to Current
  5. Motor driver cooling duct inside enclosure GB3-360 to current

Wheels

  1. V-Groove Wheel Axle bolt changed from M5 x 25 to M5 x 30 - GB-248 to current

Viki Enclosure

  1. Metal enclosure GB2-001 to GB2-365
  2. Printed plastic enclosure GB2-365 to Current

Electrical

Heated Bed standard on all Gigabots GB2-165 to current

12 volt system- GB2-002 to GB2-014

  • Recommended Motor Driver Vref in 12V system
  • X motor driver - 0.84 volts
  • Y motor driver - 1.2 volts
  • Z motor driver - 1.0 volts
  • Ext motor driver - 0.84 volts

24 volt electrical system- GB2-015 to Current

  • Recommended Motor Driver Vref Voltage in 24V system
  • X motor driver - 0.84 volts
  • Y motor driver - 1.1 volts
  • Z motor driver - 0.8 volts
  • Ext motor driver - 0.84 volts

Firmware

      • Please Note: Below serial number are approximate. Please check your firmware version using the following steps [1]

V1.0 - GB-002 to GB-004

V2.0 - GB-005 to GB-014

V3.0 - GB-015 to GB-025

V3.1 - GB-026 to GB-030

V3.2 - GB-031 to GB-041

V3.3 - GB-042 to GB-209

V3.52 - GB-210 to GB-247

V3.61 - GB-248 to GB-298

V4.1.0 - GB-299 to GB-340

V4.1.2 - GB-341 to GB-370

V4.1.3 - GB-371 to current

Firmware changes from 4.1.2 to 4.1.3

SD buffer increased from 16 to 32
Out of filament detection routine homes axis before and after changing filament
Change filament command added to Viki menu
Added Viki menu to control extrusion of Right hand extruder
Reduce splash screen time on Viki screen for more responsive feel

Firmware changes from 3.2 to 3.3

Configration.h

line 145 #define TEMP_SENSOR_BED -1 (was #define TEMP_SENSOR_BED 0)
line 181 #define PID_MAX 255 (was #define PID_MAX 127)
line 331 #define min_software_endstops false (was #define min_software_endstops true)
line 363 #define .... {118.4,118.5,4029.9,1850} (was #define DEFAULT_AXIS_STEPS_PER_UNIT {118.4,118.5,4029.9,1701})

Configration_adv.h

line 18 #define WATCH_TEMP_PERIOD 40000 (was commented out)
line 19 #define WATCH_TEMP_INCREASE 10 (was commented out)
line 58 #define TEMP_SENSOR_AD595_OFFSET 9.0 (MJF)
line 59 #define TEMP_SENSOR_AD595_GAIN 1.45 (MJF)

Pins.h

line 2164 #define TEMP_BED_PIN 11 (was #define TEMP_BED_PIN 1)

Firmware changes from 3.1 to 3.2

  1. define INVERT_X_DIR true
  2. define INVERT_Y_DIR true
  3. define INVERT_Z_DIR false
  4. define INVERT_E0_DIR true