Zeetah VI PCB assembly

After the PCB order had been submitted I created the BOM and ordered the parts from Mouser for delivery a couple of days before the PCB. I tried hard to reduce the number of different parts. One big change from Zeetah V (ZV) to Zeetah VI (ZVI) was that I changed all parts from 0603 to 0402 except when the power or voltage required the larger part. This made fitting the parts for ZVI easier but also made routing 0.2mm traces with 0.2mm space a little harder. This meant that there were very few ZV parts I could use on ZVI. (more…)

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Zeetah VI Mechanical and Electrical design

I missed discussing a couple of items in the last post: How are we going to attach the motor/axle brackets to the board and how do we handle the gap between the hub/gear and the bracket. Our original thought was to reduce mechanical complexity of the bracket, we wanted to support having axles that go between both brackets on the mouse.

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