Printed Wiring Board Reverse Engineering Library Parts
In the process of Printed wiring board reverse engineering, Be aware that a few of the old library parts may still be incorrectly implemented regarding pin-numbering. All of the DIL (Dual- Inline-Pins) parts are correct and most of the others are too, but you should verify the pin numbering of any non-DIL part before using an old library part from Printed wiring board Reverse Engineering. (use the ‘generate object report’ in the Info menu to see what
Printed wiring board Reverse Engineering thinks a pin’s number is) All of the old library names begin with a ~, so you can easily identify them. The old libraries also may contain other sorts of errors, including incorrect pin spacing, silkscreen overlapping solder areas, etc. Check carefully any element in the old library before using it! As the new library grows, the old library will be paired down to at least remove all of the elements with errors from Printed wiring board Reverse Engineering, but this will take time.
Printed Wiring Board Reverse Engineer can make your own element definitions graphically now. Simply draw vias for the pins, lines on the solder and/or component layers for surface-mount pads (they must be either horizontal or vertical), and lines and arcs on the silkscreen layer for the silkscreen outline from Printed Wiring Board Reverse Engineering. You should name (N key) each via and copper line with the pin number. Once you are happy with the geometry, select everything that is to become part of the element, then choose ‘convert selection to element’ from the Select menu. Afterwords you can make pin (or pad) one square if you like from Printed Wiring Board Reverse Engineering, and give the element its various names.
You can also give the pins and pads their functional names. Note that the element mark corresponds to the position you click after choosing the conversion from the menu, so decide where the mark goes and make sure it falls on a grid point before you request the conversion. If the vias/lines are not named if Printed Wiring Board Reverse Engineering, then the pin numbering will correspond to the order in which they were placed.
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