ONZProbe - High precision Optical Z_Probe

"OZNProbe" is a high-precision Z_Probe that uses an optical endstop and gravity, nothing else!
With "OZNProbe" I had a deviation of "0.005 mm", see the image taken from "M48" test with "MK4duo" firmware, 64 msteps, 800 steps/mm.
t has the same fixing system as the BLTouch but imho it is much more precise.
Some tests with the original BLTouch did not give me results lower than "0.03 mm".
"OZNProbe" requires an optical endstop, easily available at very low cost ($2), and some M3/M4 screws and bolt.
It's perfectly compatible with my Kossel Effector (https://www.thingiverse.com/thing:2747120) but you can easily install it in any 3D Printer.
If you use my effector this is the probe shift: "Y -18.25", "X +31.65".
When the probing is completed, obviously the key must be pulled out upwards.
In order to note lose the key I created a stand for 2020 profile (requires an M4 T-nuts).
f you have any requests I'm available to make changes, and please post your experience with this probe in