Schematic
Component Placement
Board Layout
Schematic, Board Layout and PIC microcontroller program direct download.
coin.sch - 4shared.com - online file sharing and storage - download
coin.brd - 4shared.com - online file sharing and storage - download
coin.asm - 4shared.com - online file sharing and storage - download
Note:
-Schematic and board layout are Eagle formated files.
-In pic program you can edit the delay lines for triggering calibration.