|Current Prototype||Fourth Prototype||Third Prototype||Second Prototype||First Prototype|
Based on the fourth prototype the current prototype, like the fourth-prototype, displays some slight overall modifications as can be seen from Figure 1, below. A who new electrical system has been designed and implemented. The new electronics have the same functions are the previous version execpt that the new system is more compact. There have also been a lot of mechanical and modifications to the system as well.
Figure 1: Top View of the System