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Step 8Schematics & Layout
The testing of the prototype is finished so I could start finalizing the layout of the boards..
After making some minor changes to the schematics I tried a couple of variants of the placements of the parts between the USB-connector and the displays.
When I settled on a variant I printed the layout on a piece of paper and stuck the components thru the paper to get a better visual image of how dense the layout was. It seemed to be OK so I double checked the schematics against my prototype to see if there were any discrepancies.
In retrospect I realize that it would have been better to include the locations of the vias on this printout. With the vias visible I probably would have noticed that the USB connector might short circuit some of them.
After making some minor changes to the schematics I tried a couple of variants of the placements of the parts between the USB-connector and the displays.
When I settled on a variant I printed the layout on a piece of paper and stuck the components thru the paper to get a better visual image of how dense the layout was. It seemed to be OK so I double checked the schematics against my prototype to see if there were any discrepancies.
In retrospect I realize that it would have been better to include the locations of the vias on this printout. With the vias visible I probably would have noticed that the USB connector might short circuit some of them.
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