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    • DNO
    • DNO Version history
    • Disabling regen braking [DNO]
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    • Positional Servo Control [DNO / VTX]
    • Wiring for Hand Control and Radio Control
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    • Pro-150 Basic Wiring Diagram
    • DMR-203: Use with PRO-150 Controllers
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    • Inhibit Ramp Modification [4QD series]
    • Over voltage protection in the 4QD series
    • Deadband values and removal
    • How to dismantle the 4QD series
    • Testing the 4QD Base Board and MOSFETs
    • Reverse Acceptance Threshold [RAT] Modification
    • 4QD version history
    • Current limit resistors
    • Control Board Modification [Pre June 2010]
    • Use with Tacho Feedback Board
    • 4QD Series: Use with Series Wound Motors
    • Forward / Off / Reverse Mode (4QD Series)
    • Fault finding on the 4QD series
    • Reversing Latch Modification [pre issue 16]
    • Reverse Speed Modification [pre issue 17]
    • Damage from a Reversed Battery (4QD Series)
    • Mixing 4QD 150 / 200 / 300 series boards
    • Inhibit
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    • Fitting a Porter to a PDQ Power trike
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    • DMR-203 Radio Control of a Porter 5 / 10
    • Driving the Porter by Raspberry Pi
    • Pro-120 Mk2
    • Current Limiting in the Pro-120 [and others]
    • Pro-120 Mk2 History
    • Pro-120 Key Components
    • Modifying the Pro-120 for other voltages
    • Pro-120 Modification to give Uni-Directional Control
    • Pro-120 Robot Wars Version
    • Pro-120 Ignition Options
    • Earth Fuses: Why Do They Blow?
    • Pro-120 Fault Finding Tips
    • PRO-120 Ramp Reduction
    • Fitting Expansion Connector
    • PRO-120: Multiple Slaves
    • Internal Power Supply and Protection Circuitry
    • Wiring for Push Button Use
  • Installation and Wiring Diagrams
    • Accessory Diagrams
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    • DMR-203 Radio Control of a Porter 5 / 10
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    • Driving the DNO by Raspberry Pi
    • Pro-150 Basic Wiring Diagram
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  • Use of Generators with Speed Controllers
    • Guided tour articles
    • Full Bridge
    • Choosing a Controller [tour 1]
    • What Does a Motor Speed Controller Do?
    • Battery current and motor current [tour 4]
    • Half bridge [tour 6]
    • MOSFETs [tour 5]
    • Switching frequency [tour 7]
    • Regenerative braking [tour 8]
    • Current limit [tour 9]
    • Heatsinks [tour 11]
    • Thermal shutdown [tour 10]
    • Power down state [tour 13]
    • Ramps [tour 14]
    • Ignition [tour 12]
    • Inhibit switch / footbrake - 4QD series only [tour 16]
    • Forward / off / reverse mode or push-button operation [tour 17]
    • Overvoltage protection [tour 18]
    • Reversing [tour 15]
    • Gain adjustment, pots, and inputs [tour 20]
    • Joystick [aka wig-wag] [tour 21]
    • Parking brake driver [tour 22]
    • Brake light driver [tour 23]
    • Pot fault detection [tour 24]
    • High pot lockout HPLO [tour 25]
    • Undervoltage cutback [tour 19]
    • Main capacitor [tour 27]
    • Radio control interface [tour 28]
    • Reverse polarity protection [tour 26]
    • Tacho generator feedback [tour 29]
    • Voltage following [tour 30]
    • Double heading [tour 31]
    • Mosfets [failure modes and replacements]
    • MOSFET Failure Mechanisms
    • Voltages
    • 48V and Above
    • What Voltage Should I Use? [12, 24, 36, or 48V]
  • Accessories
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    • Eagle
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    • NCC
    • Fitting Expansion Connector
    • Ramp Timings (NCC)
    • Damage from Reversed Batteries (NCC/VTX)
    • Internal Power Supply and Protection Circuitry
    • NCC Speed Controller
    • VTX and NCC Operating Voltages
    • NCC Circuit Description
    • VTX / NCC Fault Finding
    • NCC Mark 2 Issue Number History
    • NCC Mark 1 Issue Number History
    • NCC Key Components
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    • Porter 40
    • Porter 40 Speed Controller
    • Porter 40: Use with PWM Input
    • PRO-120 Mark 1
    • Pro 120 Mark 1 Speed Controller
    • Current Limiting in the Pro-120 [and others]
    • Pro-120 Mk1 History
    • Pro-120 Key Components
    • Modifying the Pro-120 for other voltages
    • Pro-120 Modification to give Uni-Directional Control
    • Pro-120 Robot Wars Version
    • Pro-120 Ignition Options
    • Earth Fuses: Why Do They Blow?
    • Battery Discharge Protection: PRO-120
    • PRO-120 Ramp Reduction
    • Fitting Expansion Connector
    • Internal Power Supply and Protection Circuitry
    • PRO 120 Mark 1 - Additional Diagrams
    • Scoota
    • Scoota Speed Controller
    • UNI
    • Uni: Disabling Regen
    • Uni: POT Track Fused
    • Uni: Alternative Voltage Usage
    • UNI: Use with PWM Input
    • UNI Speed Controller
    • UNI / Egret Wiring Options
    • VTX
    • VTX Speed Controller
    • Fitting Expansion Connector
    • Positional Servo Control [DNO / VTX]
    • Waveforms and Fault Finding
    • Damage from Reversed Batteries (NCC/VTX)
    • Internal Power Supply and Protection Circuitry
    • Wiring for Push Button Use
    • VTX Modification History
    • VTX and NCC Operating Voltages
    • VTX / NCC Fault Finding

Joystick Suppliers

Joystick Suppliers

There are many companies that supply joysticks, these are some that we know of….

In the UK:

RS components

Their part number 506-3602 is a good place to start.

P-Q Controls

In Germany:

Gessmann

In the US:

CH Products

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Head Office:

4QD Ltd.
36 Greenfields
Earith, Cambridgeshire
PE28 3QH

Industrial Unit:

Unit 11 Meadow Drove Industrial Estate
Earith, Cambridgeshire
PE28 3QF

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