This is the gerber file for the Rev. 8 20 version of the Expansion Wing B (Vibrato, Voice Range, Delay, Distortion)
Changes in Revision 8 20
- All traces are on one side...no vias (for people who want to etch their own)
- Removed PTSM through-holes on pads
- Common pad on 1p8t rotary switches are now on the proper side!
- Moved text to make resistor placement clearer
- Big logo on back
- Removed provision for SMT capacitors on some pads
- Added text reminding the builder which way to place the caps, if they are polar