| 16-line Programmable I/O Port |
Interface to one Thurnall device. Uses Zilog PIO. Fully decoded, so it doesn’t conflict with other devices. Interfacing to more than one device requires the Thurnall motherboard. |
Timex/Sinclair 1000 |
| 4-channel Relay Box |
Use with Thurnall I/O board to switch low-current household equipment. |
Timex/Sinclair 1000 |
| 8-way Indicator Unit |
8 LED output; displays binary equivalent of the data on one port of the Thurnall I/O board. |
Timex/Sinclair 1000 |
| 8-way Switch Unit |
Provides a byte-wide input interface to the Thurnall I/O board. |
Timex/Sinclair 1000 |
| 8-way Transistor Driver |
Use with Thurnall I/O board to switch low voltage devices. |
Timex/Sinclair 1000 |
| Joystick |
Required the Thurnall I/O board to interface to the computer. |
Timex/Sinclair 1000 |
| Motherboard |
Expansion board for use with other Thurnall modules. Required to connect more than one device to the I/O board; connect up to four Thurnall modules. |
Timex/Sinclair 1000 |
| Sound Unit |
Programmable sound unit with built in loudspeaker, allow programmable generation of a whole range of rounds from music to special effects. |
Timex/Sinclair 1000 |
