RAM/EPROM Option for ZX-G
32K RAM and four 2716 EPROMs. ZX-G required.
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Timex/Sinclair 1000
Romark Screen Pads
Paper pads for planning print, print at and plot functions.
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Sea War
Each player has three submarines. Higher scores result in more hostile features, including submarines, warships and helicopters. One or two players.
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.
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4-channel Relay Box
Use with Thurnall I/O board to switch low-current household equipment.
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8-way Transistor Driver
Use with Thurnall I/O board to switch low voltage devices.
8-way Transistor Driver Read More »
8-way Indicator Unit
8 LED output; displays binary equivalent of the data on one port of the Thurnall I/O board.
8-way Indicator Unit Read More »
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.