LISTing Newsletter November 1985

Date: November 1985
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Articles

Title Description Computers
A Test Drive of the Zebra Floppy Disk Drive Systems Timex/Sinclair 2068
Big Keyboard 2068 A circuit diagram for a “Keyboard Interface Circuit” is printed below. The construction method is your choice. (A PC Board for the cartridge slot is a nice idea) I have not included details on re-wiring a keyboard (see March 85 Listing Pg. 18), but used the connection names used in the March issue. All the Timex/Sinclair 2068
Centronics Printer Port - AERCO Style Schematic for a parallel printer interface using the Zilog Z80-A parallel input/output chip (PIO). Timex/Sinclair 2068
Computer Interfacing Techniques in Science
I/O Ports: Centronics Port Timex/Sinclair 2068
Letters to LIST
Library Tape #4
Meeting Notes
Pot Pourri Timex/Sinclair 2068, Type-in program
Protection Schemes Timex/Sinclair 2068
Tasword/MTerm Timex/Sinclair 2068, Type-in program
Time-X-change
Try This: London Bridge Timex/Sinclair 2068, Type-in program
ZX81 Schematic
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