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CIRCUIT.TXT
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1996-06-09
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1KB
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36 lines
Single Player Circuit Diagram
PARALLEL GAMEPAD
PORT (DB-25) 1
┌────┐ ┌───┐ (Power may need to be sourced from
DATA7 │ 09 ├──────────────┤ 1 │ +5V the PC's Game Port)
DATA0 │ 02 ├──────────────┤ 2 │ Clock
DATA1 │ 03 ├──────────────┤ 3 │ Reset
ACK │ 10 ├──────────────┤ 4 │ Data
GND │ 18 ├─┐ │ 5 │ Unused
| │ || ├─┤ │ 6 │ Unused
GND │ 25 ├─┴────────────┤ 7 │ Gnd
└────┘ └───┘
NOTE: 1) A Pullup Resistor is advised for DB-25
pin 10.
2) Use an Electrolytic Cap accross the gamepad
side of the +5v supply and GND. Use as large
a value as possible.
3) "─>┼─" = germanium diode.
Parts List qty
----------------------------------
DB-25........................ * 1
10k resistor................. * 1
100uf(or higher) Electro cap. * 1
7 Pin Header
- 0.156" (3.96mm) spacing
between pins.
- 0.045" (1.14mm) diameter * 1
round pins.
PCB to construct it on....... * 1