BU0836X 12-Bit Joystick Board

Price: 49.99GBP



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A USB joystick interface board with simple push in wire connectors to connect buttons, potentiometers, sensors, rotary encoders and switches to a PC or Mac.

Build your own gaming device, whether it be a flight panel, button box, pedals, joystick, robot controls and more......the list is limited by your imagination.

Also suitable for converting gameport devices or connecting real life controls to turn them into a USB device suitable to be used by almost any simulation or game software without the need of installing any drivers.


8 analog inputs with 12-bit (4096 steps) resolution each
32 button / 16 rotary encoder inputs
8-way "point-of-view" hat switch input


Length 4.84" / 123mm
Width 1.95" / 49.5mm
Height 0.63" / 16.1mm
Recommended Wire Size 24AWG to 20AWG
Mounting Screw Hole Size M2.5 or #3-56 - DO NOT ENLARGE THE MOUNTING HOLES

With 93 wire terminals onboard, it is only 50% bigger than a credit card

Connection to PC

The PCB has a standard USB B type connector for connection to PC or Mac. No drivers are required. Plug it in and use straight away.

Fully self-contained interface

Natively supported by Windows  10/ 8/ 7/Vista/XP/2000 32/64 bit and Mac OS X. Also works on Android devices via USB link. - Forget drivers - just plug it in and it's ready to go.

Unique serial number helps Windows remember each device - Ever unplugged a joystick and had Windows lose calibration settings? This controller retains settings even if plugged in a different USB port or if you use two and swap them over.
Also allows you to connect and use more than one at a time.

Analog inputs filtering - Digital processing removes noise from axes position reports while preserving extremely fast response.

Powered by USB bus (+5V - 500mA) so no external power supply is needed - You can even light LEDs between the button input and +5V connector to illuminate your panel or switches when input is switched on. See downloads section for diagram.

Full-speed 12Mb USB connection.

Compatible with any game that can detect and use generic joysticks - MS Flight Simulator, X-Plane, rFactor, iRacing and other driving Games etc.

Proudly designed and made in the UK.

Operating Instructions

Push-in terminals for all connections - No soldering or screw driving. Push in wires to connect. Press tab and pull out to disconnect.

32 independent digital inputs for buttons and switches - No matrix, no diodes and no daisy-chaining. Each input has its own two terminals for GND and button input(GND can also be shared between inputs if necessary)

BU0836X Push Button Wiring
BU0836X ON-OFF-ON Toggle Switch Wiring

Support for up to 16 rotary encoders - A pair of digital inputs can be connected to a rotary encoder. All main types supported (1, 2 and 4 pulses per detent. Check the datasheet of your encoder to find out which type you have). Once connected, download our encoder software in the product downloads tab and set the pair of inputs to the encoder mode you require. Always use negative number for the first input, ie. 1-2, 3-4 etc.

BU0836X Rotay Encoder Wiring

8 analog inputs with true 12-bit resolution and independent wiring

You must only connect potentiometers with the USB cable unplugged from the device.

4096 steps of resolution.
To support true 12-bit performance each analog inputs has independent set of +5v and GND terminals, oversampling and sophisticated signal filtering.

BU0836X Potentiometer Wiring

8-direction POV hat switch. - Connect a hat switch like ours - (click here) to these inputs or make your own by connecting any four buttons of your choice. Diagonal directions are made by pressing two directions together ie, UP and LEFT = NW

BU0836X Hatswitch Wiring

Can I be turned into keyboard or other device? - Mapping button presses or potentiometers to other functions such as mouse/keyboard or hat switch controls can be done emulated using third party software such as Joy2Key. Look in the downloads tab for alternative software solutions.

Check data sheet of component you wish to connect for the correct pin out - The PCB is labelled clearly to show where each pin from your component should connect.

Once you have connected everything you need - Connect to a PC or Mac using a standard USB A to B cable and the device will be recognised as a generic game device named - BU0836X. You can then either calibrate or assign your controls using your chosen game or software as you would with any other game controller. That's it!

Construction tips

What to do with unused inputs?
Unconnected buttons will appear as not pressed - just ignore them
Unused analog inputs are automatically disabled. They will appear as soon pots are connected and BU0836X is powered up. In other words, if they are not connected - you will not see them.

Which pots are the best?
Any value from 1kOhm to 100kOhm will work fine. If you don't know where to start, get 10kOhm ones
Use linear pots (taper B.) Avoid non-linear, log pots with tapers A, D or Y used in audio level controls
Any pot would work but the best ones are industrial quality Spectrol (Vishay) and Bourns. They have life expectancy of few million shaft revolutions.
Good wiring helps. For ultimately clean signal use shielded wires and ground the pot's case if it's metal
Try to use as much of pot travel range as possible.

Standard Firmware for V2 boards ( shipped after August 2016 )

Standard Firmware for V1 boards ( shipped before August 2016 )

Renaming Firmware - BU0836X_1 to BU0836X_15, plus BU0836X Stick and BU0836X Pedals.

Encoder Configuration Software

LED on Button Press Wiring Diagram

Wiring two potentiometers to one output. ( For rudder pedals etc )

PCB Template in .dxf format

DIView.exe - For Accurate Calibration

Recommended Third Party Software

Keyboard and Mouse Emulation / Scripting Software




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