Microcomputer Hardware Projects
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