The parts list:
Item | Amount |
---|---|
7406 | 1 |
74LS14 | 1 |
74LS86 | 1 |
1 kohm 1/4 W resistor | 3 |
100 nF ceramic capacitor | 3 |
8-wire cable | 0,5 m |
2-wire cable | 0,5 m |
6-pin female DIN connector | 1 |
DB25 male connector | 1 |
DB25 connector shell | 1 |
DB15 male connector | 1 |
DB15 connector shell | 1 |
piece of perf board | 1 |
small plastic case | 1 |
The schematic:
The +5 V supply voltage can be obtained from PC joystick port pin 1. You'll of course also need to connect the signal ground to LPT port pins 18-25 and DIN6 connector pin 2.
The complete device might look something like this:
With case open: