some mods of https://github.com/eamars/OpenTrickler
- easier to clean
- slide solution did not work for me
- powder volume reduction
- powder hopper is removeable for storage
- easier to clean
- slide solution did not work for me
- fixed place for the display
- within footprint of the trickler
- PCB included in the shield
- power supply included in the shield
- all wires in the shield
- one power supply for trickler and scale (!!! 12V !!!)
