Level Shifting and Tablet Building …

circuitfloor1Figure 1: The new tablet uses re-purposed materials on the circuit board floor.

This project is more involved than a simple exercise in converting 3.3 and 1.8 volt logic levels.  It also involves building yet another homemade tablet.  I have four of them now (2 Pi2’s, a C1, and a C1+).  The fifth one (being this XU4) will be the most powerful of the bunch.  So, in figure two we can see I’m beginning to lay out the new tablet…

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