Professional Electronics
109 Chesney Ln., Columbia, SC 29209
Products
| Name | Description | Computers |
|---|---|---|
| 3 Port I/O board | Programmable 8255 PIA. Space for analog-to-digital converter, relays, clock chip, etc. Expansion connector for RAM pack. | Sinclair ZX80, Timex/Sinclair 1000 |
| Centronics Printer Interface | Uses ports A and B of the I/O board. Printer commands and machine language programs are stored in an 8K memory area not used by computer. Professional Electronics I/O board required. | Timex/Sinclair 1000 |
| Custom Programmed 2K ROMs | Service to store BASIC or machine language programs in EPROMs. For use with Professional Electronics’ printer interface board. | Timex/Sinclair 1000 |
Books
Periodicals
Documents
Downloads
Articles
| Title | Description | Computers |
|---|---|---|
| Resources (Sync v2 n1) | Listing of new user groups, books and other resources. |
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