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Thread: Modular system for assisting people with cerebral palsy

  1. Lightbulb Modular system for assisting people with cerebral palsy

    Hi everyone, some months ago I asked some questions about assisting technologies and here it's the system I'm developing right now for people with cerebral palsy (or anyone who can only control his head or gaze) It combines an Arduino with a USB host shield for controlling a pair of servos moving mechanically the joystick of a powered wheelchair. It can be controlled with a DualShock3, buttons, face, gaze, etc...

    Another module lets the users feed themselves also with many input devices:

    Buttons are connected to 4 digital inputs, Dualshock3 is connected to the USB host shield and the facial and gaze tracking uses a GUI that sends serial data through USB from a computer to the Arduino. If anyone could help me, I'm right now trying to simplify the hardware and just connect all the input devices to the Arduino, so I would just need to send serial data to the Arbotix of the PhantomX Reactor.

    The thing is that I would like to send serial data directly using the TX and RX of the Arduino. That's very easy using Arduinos, but I'm not sure which would be the best option in the Arbotix. I just want to use wires to keep the cost as low as possible. Any ideas or help? Thank you very much.
    Last edited by dburongarcia; 01-31-2014 at 02:30 PM.

  2. Re: Modular system for assisting people with cerebral palsy

    I just created a project here with a full description:

    Also the question about the serial communication is being discussed here:

  3. #3

    Re: Modular system for assisting people with cerebral palsy

    I applaud you, well done and for such a noble cause.

  4. Re: Modular system for assisting people with cerebral palsy

    Hi CasperH, thanks! I've finished the new energy source module. I ditched the inverter and now use 4 step down regulators, 3 for each different system: 1 x 12V (robot/screen) 1 x 19V (laptop) 1 x 5V (Arduino/servos) 1x12V (switches/security/fan/lights) I also made a waterproof box for everrything, with 3D printed plugs for all the modules and individual switches. It's so cool now! Hopefully I'll finish V2 soon and with this more robust version go open source at last!

  5. Re: Modular system for assisting people with cerebral palsy

    This is not the kind of project I am used to see around here, it goes beyond any expectations. Congrats, and thank you for taking the time to help others. I think this system will improve the life quality of many people

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