Haven Single Key Input
Hardware: Keyboard
Haven Hardware · 1983 · Pound sterling 4.95
Small board that is soldered inside the Speccy that eliminates the 'keyword' feature, instead giving single letter entry.
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In the magazines 1
Sinclair User #10Jan 1983 · p.24
MODULES FROM HAVEN Haven Hardware no longer offers the ZX-81 colour board due to the lack of a satisfactory modulator but will sell the circuit diagram for £4.95. Haven sells three other modules. A single-entry key module can be soldered on to the ZX-81 or Spectrum, although the connections are different. It is ideal for those with an external keyboard with a few spare keys on it. It costs £2.95 as a kit and £4.95 made up but not fitted. The beeper is a standard oscillator which operates every time a key is pressed. It costs £8.90 and £7.50 as a kit. The third offering is an inverse video module but it tends to be unstable. Haven Hardware is at [redacted].
Haven Hardware Modules
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