Robot Arm MK2 Plus Plus

Remix with some improvements on Robot Arm MK2 Plus.


- Added endstops for doing auto home on start up.
- Change the stepper_gear for what i belive a better design

https://www.youtube.com/watch?v=KWlp6t5YVgw

Stepper Gears BOM and instructions
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- 3 x screw M3 x 5 mm

- Just replace the stepper gears with the new ones and use the M3 screws

Endstop mounting BOM and instructions
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- 3 x endstop switchs with 2 long cables soldered to allways open pins
- 2 x screw M2.5 x 8 mm
- 1 x screw M3 x 8 mm
- 2 x screw M3 x 10 mm
- Super Glue (if using varm_endstop_v1 to glue a litle tab on metalic part of switch)


- Step 1 - Place the endstop switch on mainarm_endstop and hold it with an M2.5 screw
- Step 2 - Mount the mainarm_endstop on mainarm_endstop_support and hold it with an - M3 screw
- Step 3 - With the mainarm_endstop_support placed verticaly at the front of varm side of the arm_base, mark the two holes to drill.
- Ste