PCB Circuit Board Reverse Engineering Old Library

The old libraries from PCB Circuit Board Reverse Engineering, or very old (pre-1.6) layout files may have incorrect pin numbering since there was no concept of pin numbers when they were created. Circuit card duplication uses the order of appearance of the pin definitions in the layout or library file if it uses the old format, but there is no guarantee that it will be correct for these old objects.

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 PCB Board Reverse Engineering. (use the ‘generate object report’ in the Info menu to see what PWB Duplication 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 PCB Reverse Engineering, but this will take time.

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