A Selection of Electronic Designs

by Alan Edmonds

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Logic

Logic Board

Controls a range of thermal printers and label applicators.  Used with Power and LCD boards.

  • Hitachi 6303
  • 32KB EPROM
  • 256KB paged RAM for graphics (battery backed)
  • 8KB RAM for settings (battery backed)
  • Real Time Clock
  • RS485 serial port
  • Layers: 4
  • Year: 1992 onwards
  • Company: RHS International Ltd
  • Work done:
    • Electronic design
    • PCB layout
    • Firmware

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