68008 Dartboard control pcb. By Lee Davison.
The dartboard control pcb.


Hardware.

The dartboard control pcb is a 68008 based single board computer. As it comes it has the following features.
  • 68008 running at 8MHz
  • 64k bytes of EPROM
  • 8k bytes of (battery backed) RAM
  • 68681 DUART providing two independant RS232 channels
  • Two 68230 Parallel Interface/Timers
  • 8 bit A to D and D to A
  • Three 75518 VFD drivers providing 96 VFD segment/grid drivers
  • UNL2003 high current/voltage driver
  • TBA820M audio amplifier for tone output
  • Software I2C interface
  • Onboard rectifiers and regulators requiring only a 12v AC input
    • Documents.
  • Preparing the board.
  • Powering the board.
  • Modifying the board.
  • Software for the board.
  • Making a COM port lead.
  • Diagrams, components and pinouts for the board.
  • Memory map.
  • I2C Bus interface.
    • This board was available from Greenweld. Just go to Electronic, PCBs and it was item Z5844.
    Last page update: 17th February, 2005. e-mail me