Let's Make Robots!

Robot Arduino UNO & EZ-Robot WIFI , wheelchair base, independently controlled by GPS and avoid objects detector

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DigiSys's picture

You're going to have a difficult time interfacing directly to the P&G controller. The easier way is to cut the ribbon cable connecting the joystick to the interface board and feed it the same signals as the joystick itself. You'll have to tap into the pot for speed control.

That's my plan for my yardbot project based on the Pride Jazzy Select power chair base. I'm replacing the joystick with the remote from a cheap toy truck. Since you replace the original controller you probably don't need this info but others reading might be interested.

Can't wait to see how your project turns out.



Hi, Michel

I have a similar project in my boxes... I am actually trying to decode the CAN controller of the wheel chair.

did you have result in that aera?

Thanks .



Canadian Robot's picture

HI François, No unfortunately after much testing and many comments I finally decided to use a 2X25 Sabertooth and it works very well!

Now my project works very well and I am working on the GPS side

Good luck, thanks

Sisco's picture

I am working on a very similar project. I would love to hear how your project is coming along.


ignoblegnome's picture

Patrick posted on the Fundamentals of a GPS guided vehicle, which you may find helpful.

Canadian Robot's picture

Thanks Pat, very appreciated !


Easy Enough

  1. Power Supply (5V)
  2. Left/Right Output 1
  3. 0V
  4. Fore/Aft Output 1
  5. Fore/Aft Output 2 (If Avail)
  6. Power Supply / 2 – (2.5V Output Ref.)
  7. Left Right Output 2 (If Avail)
  8. Not Connected

Pin Out

If you need to build a longer cable:
Cable:         1mm flat ribbon cable 28 awg

Ends:          Mouser #: 649-98414-G06-08LF
Receptical:  Mouser #: 649-89361-708LF

Canadian Robot's picture

HI, thanks but my connector is a round one ?? Please can you give me more detail ?


What model is the P&G Joystick you are going to emulate?  Should be on a sticker ont he bottom of the joystick, the first set...

Canadian Robot's picture

HI, I have also a INVACARE controller MKIV GB with a Joystic MKIV A do you know that one ?