Connector - Vectrex Controller9 PIN UNKNOWN CONNECTOR| Pin | Description |
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| 1 | Button 1 | | 2 | Button 2 | | 3 | Button 3 | | 4 | Button 4 | | 5 | Horizontal Pot | | 6 | Vertical Pot | | 7 | +5V | | 8 | GND | | 9 | -5V |
The joystick potentiometers work by voltage division between -5V and +5V.Actually, it uses a couple of resistors on each side to make it more like -3.4V to 3.4V. Vertical Pin 6: | Voltage | Direction | | -3.4 V | Down | | 0 V | Center | | +3.4 V | Up | Horizontal Pin 5: | Voltage | Direction | | -3.4 V | Left | | 0 V | Center | | +3.4 V | Right |
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