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1 Player, 3 Button Version Using a Joypad
This is the easiest setup to make, and it's what I initially built, although in the end I went for a keyboard only solution
Components
7 x 1K Resistors
2 x 7404 (Hex Inverters)
1 x 4066 (Quad Bilateral Switches)
4 x Diodes (1N4001)
3 x 14pin DIL Sockets
(Click for a more legible version)
1 Player, 3 Button Version Using just the Keyboard
Components
10 x 1K Resistors
2 x 7404 (Hex Inverters)
3 x 4066 (Quad Bilateral Switches)
5 x 14pin DIL Sockets
The complete circuit diagram looks like this
(Click for a more legible version)
