The eagle file is 4-layer pcb. The actual board is 2-layer.
QuoteThe eagle file is 4-layer pcb. The actual board is 2-layer.What! I know there's been some argy bargy about the posted files not being the actual files, but to go from 4 layers to 2 layers doesn't seem practical. That would be a total re-lay of the board to arrive at an inferior product._____Rob
All the vias seem go through.
QuoteAll the vias seem go through.I could still be 4 layer, many fab houses don't allow blind or buried vias or charge more for them so many (most?) people just use through vias.We have discussed the movement of that chip and other inconsistencies between the released CAD files and the real thing before. It has never been resolved AFAIK._____Rob
Even though Arduino published different eagle file in purpose, i could understand. There are so many copies of Arduino board which infringe Arduino trademark. It is too easy for those factories to make the copies. If Arduino publishes different CAD files, the copy boards become different. For arduino, that is a good way to protect themselves.
I mean, 2-layer could also work.
For arduino, that is a good way to protect themselves.
I have the [sarcasm]paid version of eagle[/sarcasm] and I can see all 4 layers, Top, Route 2, Route 15, Bottom. The 2 inner layers are GND and power plain respectively.
In this case it takes us a few days (or weeks when the factory forgets to tell us they made changes) to update the files distributed online.