Tranferable Positionning Unit (TPU) v2

[25/06/23] Panda version for agopengps : https://www.thingiverse.com/thing:6095115

The Transferable Positioning Unit (TPU) is specifically designed for versatility of use and to be easiest as possible to transfer from a vehicle to another or even to use by hands.

More exactly, as farmer, I made it to have a GNSS auto-guidance system that can be changed of machine as fast as possible with minimum complexity in use. For this reason the TPU is intended to use with the TASU (https://www.thingiverse.com/thing:5376265).
The usual logic with autoguidance is to equip each vehicle, 4 tractors mean 4 equipments.
The TPU aim is to get rid of this logic, because if there is 2 drivers for the 4 tractors it mean that at the same moment 2 autoguidance equipment are useless!

Only stay on the vechicle the steering sensor and the steering motor if you don’t use some integrated steering valve’s called “GPS pre-equiment”.

In term of function the TPU is made of a step dowm regulator supplying