Microcomputer Hardware Projects

 

1. Electronic Components

2. Schematic & PCB Design

2.1 CAD Software

2.1.1 KiCAD Schematic Capture & PCB Design software

http://kicad.sourceforge.net/
http://www.kicadlib.org/
http://tech.groups.yahoo.com/group/kicad-users/

2.1.2 Free PCB

http://www.freepcb.com/
http://www.freerouting.net/
TinyCAD Schematic Editor
Free LTSpice Simulater From Linear Technology
Using LTSpice as a Schematic Editor For FreePCB

2.1.3 PCB123

http://www.pcb123.com/

2.1.4 Eagle CAD

http://www.cadsoft.de/

2.1.5 Design Works

http://www.capilano.com/

2.1.6 Altium Designer

http://www.altium.com/

2.2 PCB Manufacturing

2.2.1 USA

http://www.expresspcb.com/
http://www.sunstone.com/
http://www.pcb123.com/
http://www.futurlec.com/

2.2.2 Australia

http://www.futurlec.com.au/
http://www.printnetch.com.au/
http://www.rcsradio.com.au/

3. Projects:

3.1 Flex / UniFlex Computer

3.1.1 MP-09 Compatible CPU card

  • MC68B09 / HD63B09 CPU
  • EDI8F8512C 512KByte x 2 SRAM
  • 27256 32KByte EPROM
  • AS7C256 32KByte SRAM Dynamic Address Translation
  • GAL20V8 Glue Logic
  • Master / Memory Slave

3.1.2 MP-ID Compatible Timer / Parallel I/O / Serial Port Card

  • MC68B40 Programmable Timer Module (PTM)
  • MC68B21 Parallel Interface Adapter (PIA) timer & printer port
  • MC68B50 Asynchronous Communications Interface Adapter (ACIA)
  • MC14111 Baud Rate Generator
  • MAX232 RS232 Interface.
  • DB9 RS232 Connector
  • DB25 Printer Connector
  • Slave

3.1.3 DMAF-2 Compatible Floppy Disk Controller

  • WD279X Floppy Disk Controller
  • MC68B44 Direct Memory Access Controller
  • GAL20V8 Glue Logic
  • 3.5" & 5.25" Floppy Disk Connector 34 Pin IDC
  • Slave / Master

3.1.4 I/O processor Card

  • MC68HC11F1 CPU
  • AS7C256 x 5 32KByte SRAM
  • 27256 32KByte EPROM
  • CY7C130 1KByte Dual Port RAM
  • MAX232 RS232 Interface
  • DB9 RS232 Connector
  • 16 Bit IDE Hard Disk Interface
  • Slave

3.1.5 VDU card

  • MC68B45 Cathode Ray Tube Controller (CRTC)
  • HD2116 x 2 2KByte SRAM
  • 27256 32KByte EPROM Character Generator
  • MC68B50 Asynchronous Communications Interface Adapter (ACIA)
  • PIC12C508A Microprocessor PS/2 Keyboard Interface
  • VGA DE-15 Connector
  • PS/2 Keyboard Connector
  • 80 x 25 Characters on Screen (640 x 400 Pixels)
  • 8 x 16 Pixel Characters
  • 256 Selectable Characters (8 Bits)
  • 4 x 2 Chunky Graphics (8 Bits)
  • 3 Foreground & Background Colour Attribute Bits
  • Reverse Flashing Attribute Bit
  • Character / Chunky Graphics Attribute Bit
  • Bank Selectable Character and Attribute Memory

3.1.6 Motherboard / Construction

  • Eurocard Format - 100mm x 220mm or
  • PCI Full Size Card Format  - 107mm x 312mm (0.6"H x 4.2"W x 12.283"L) or
  • PCI Half Size Card Format - 107mm x 174mm (0.6"H x 4.2"W x 6.85"L)
  • 0.8" Card Spacing
  • Single supply 5V operation
  • 50 Pin IDC Connector Ribbon Cable Bus or
  • DIN 41612B (ab) 64 Pin Connector Back Plane
  • PC AT Power Supply
  • SWTPC SS50 Compatible Bus Signals

3.2 High Voltage Low Distortion 75W Stereo Audio Amplifier

  • IRF640 / IRF9640 HEXFET Output
  • LME49830 Low Distortion Amplifier Driver

3.3 Quadraphonic 20W Audio Amplifier

  • STK461 20W Amplifier Module

3.4 Discrete 50W Stereo Amplifier

  • MJ15003 / MJ15004 Output Transistors

4. Old Discarded Projects

4.1 Flex Computer Project

4.2 SS30HC11

4.3 FLEX IDE Interface

4.4 Junk Box 6809 System

4.5 68xx(x), Flex & NitrOS-9 Bookmarks