KaDee Style Magnetic Uncoupler

A OO gauge model railway uncoupler for KaDee style couplings, uses an SG90 servo to move a panel containing a pair of 20x10x3 N52 magnets close to and away from the track from below.

box designed to work with a baseboard depth of 15mm ( 9mm ply, 5mm XPS & 3mm cork), blender file provided to allow adjustments