Tevo Tarantula filament runout sensor

I designed this filament sensor holder based on this design:

https://www.thingiverse.com/thing:2665162

See the comments for further instructions of installation and flashing the firmware.

I made a new disign because I couldn't feed new filament trough without unscrewing the case. so I made this case that can be mounted under the extruder. With a tool the filement can be fed trough because of the open front design. The cable runs into the frame trough a gap I made. So that all looks nic