Flashforge mod for ERCF v2 featuring an entry sensor

• Pneumatic valve connector ensures filament doesn't pop-out during filament changes
• Entry sensor gives Happy Hare an additional sensor to work with during filament changes.

Installation Steps

1. Place steel ball inside
2. Screw in limit micro-switch after removing lever. (not needed)
   1. Ensure switch is facing the steel ball
3. Glue Pneumatic Valve Connector Head on top of housing.
4. Place on top of Flashforge AD5M/Pro Extruder Housing

Printing Recommendation

1. Tree Supports
2. ABS
3. 3-5 walls

Parts needed

• AC 1A 125V 3Pin SPDT Limit Micro Switch 
• Precision Steel Ball
• Pneumatic Valve Connector Head PTFE ECAS04 Component

Feel free to offer recommendations or enhancements!