Analog Joystick with pushbutton 
Datasheet
This is a joystick very similar to the 'analog' joysticks on PS2 (PlayStation 2) controllers. Directional movements are simply two potentiometers - one for each axis. Pots are ~10k each. This joystick also has a select button that is actuated when the joystick is pressed down.
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Joystick Panel Dimensions (mm) and Electrical Connections
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Joystick Technical Data
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Handle Operating Angle
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± 30º (60º overall); X & Y Axis
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Center Return Accuracy
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±5%
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Handle Pattern
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360º (omni-directional)
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Max. Operating Force
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<20 mN
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Weight
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6 grams
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Life Span
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100,000 typical
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Joystick Potentiometer Specifications
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Element
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Carbon Film
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Resistance
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10K ohms ±30%
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Operating Temperature
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-55ºC ~ +125ºC
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Power
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0.1W @ 70ºC
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Electrical Angle
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50º w/6º center constant zone
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Maximum Wiper Current
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1mA
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Maximum Voltage
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30 VDC
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Life Span
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100,000 operations (typical)
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Joystick Pushbutton Switch Specifications
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Type
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SPST - Momentary - Push to activate
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Power
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12V, 50mA
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Life
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100,000 operations
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