Articles (1)
| Title | Author(s) | Publication | Date |
|---|---|---|---|
| Letters: Interfacing the ZX81 Interfacing using a variety of relays. | Radio Electronics | April 1985 |
| Title | Author(s) | Publication | Date |
|---|---|---|---|
| Letters: Interfacing the ZX81 Interfacing using a variety of relays. | Radio Electronics | April 1985 |