Bodnar 12-Bit Joystick Board

Bodnar 12-Bit Joystick Board
Bodnar 12-Bit Joystick BoardBodnar 12-Bit Joystick Board12-Bit Joystick Board Pin Release
Suitable for converting gameport devices to USB, retrofitting existing gaming devices or building your own.
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Product Information

Suitable for converting gameport devices to USB, retrofitting existing gaming devices or building your own. 



How to use

Push-in terminals for all connections
No more soldering or screwdriving. Push in to connect. Press tab and pull out to disconnect.

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

Support for up to 16 rotary encoders
A pair of digital inputs can be connected to rotary encoder. All main types supported (1, 2 and 4 pulses per detent)

8 analog inputs with true 12-bit resolution and independent wiring
4096 steps of resolution. Even 1/4 of this range is still 1024 steps!
To support true 12-bit performance each analog inputs has independent set of +5v and GND terminals, oversampling and sophisticated signal filtering

Check data sheet of component you wish to connect for the correct pin out

8-direction POV hat switch

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

Product Downloads


Encoder Configuration Software:

LED on Button Press Wiring Diagram:

PCB Template in .dxf Format: