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  1. Replies
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    If you need guinea pigs I will gladly offer to...

    If you need guinea pigs I will gladly offer to help. No code abilities and very much a beginner in electronics but I can offer encouragement. I have had hearing aids for years and also need more...
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    Thank you very much. Paul

    Thank you very much.

    Paul
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    Take a look at the code that I used for my EMG...

    Take a look at the code that I used for my EMG keyboard. It may help you with the code when you have to hit multiple buttons at a time to get different outputs....
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    Take a look at the "projects" section of this...

    Take a look at the "projects" section of this site and you will find similar devices. The good thing about the teensy is that it is recognized as an HID. I did a chord HID keyboard using EMG as an...
  5. Thread: Cruise control

    by PaulH
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    I think that I should look at one approach at a...

    I think that I should look at one approach at a time.

    How can I "tap" into the throttle position sensor without affecting the voltage sent to the ecu?

    I am able to log the TPS voltage through...
  6. Thread: Cruise control

    by PaulH
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    2,600

    Doh! Sometimes, okay most of the time I am an...

    Doh! Sometimes, okay most of the time I am an idiot. You are correct, this is not a drive-by-wire. Time for some warm milk then bed.

    Thanks again for your comments!

    Paul
  7. Thread: Cruise control

    by PaulH
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    2,600

    This car does not have an ETC. It is a "drive by...

    This car does not have an ETC. It is a "drive by wire" throttle body, there is no motor or gears involved. There is no input from the ecu to control the throttle, it is linkage and wire. The...
  8. Thread: Cruise control

    by PaulH
    Replies
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    Thank you Paul! Just to clarify, can I use the...

    Thank you Paul!
    Just to clarify, can I use the teensy2 to read directly from the OBD-II port or do I need additional hardware? I will use a basic OBD connector to physically connect the teensy to...
  9. Thread: Cruise control

    by PaulH
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    2,600

    Perhaps I should look at getting the readings...

    Perhaps I should look at getting the readings from the OBD-II port. There are libraries in arduino for reading various OBD-II parameters and one which is included is the throttle position. ...
  10. Thread: Cruise control

    by PaulH
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    2,600

    Yes, that is my biggest concern. RPM is sent to...

    Yes, that is my biggest concern. RPM is sent to the ecu in a similar manner so the concern with unintentional alteration of the sensor's signal applies to practically all of the OBD-II readings. It...
  11. Thread: Cruise control

    by PaulH
    Replies
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    2,600

    Cruise control

    I want to be able to read the analog signal 0-5v, from a throttle position sensor (basically a pot). The signal is used by the car's ecu so the method I use to get the signal to the teensy 2 cannot...
  12. Analog Interrupt on assistive device on Teensy 2

    I have read through most of the posts relating to the comparator function but I do not believe this is the direction I should go in.

    I am using analog inputs EMG sensor boards as input for a...
  13. I managed to merge the mouse control as well as...

    I managed to merge the mouse control as well as the text generating codes together but I overlooked the need for a few changes. While trying it with the EMG sensors I noticed that I really had to...
  14. Well, with the help of my tutor I now have the...

    Well, with the help of my tutor I now have the mouse control. I am still tossing around ideas that will wok best but for now this is what I have (using Paul's timing method). Left thumb flex then...
  15. Okay, I started learning about arrays two days...

    Okay, I started learning about arrays two days ago and the gears are slowly starting to turn. Would an array be able to let me do the following:

    if sv0 state changes then move mouse left
    if sv1...
  16. Thanks for the encouragement Paul, I am having a...

    Thanks for the encouragement Paul, I am having a blast learning how to do this.

    Quick question, is there a way to use something like a "mousemap" function that would work the same way the "keymap"...
  17. Sensors are in,board is finished, and code has...

    Sensors are in,board is finished, and code has been modified to include three character sets plus mouse control (not included for testing) and toggling through character sets. I am going to look at...
  18. Just a quick update. Figured out how to toggle...

    Just a quick update. Figured out how to toggle different character sets as well as a mouse function. Sensors arrived so I have to turn my attention to putting together a suite of assessment tools...
  19. Well, after struggling to implement Paul's...

    Well, after struggling to implement Paul's approach I went and got a tutor to help me out. My tutor took a slightly different approach so the next session I will ask him to help me understand and...
  20. Thank you Paul, When I get home from work I will...

    Thank you Paul,
    When I get home from work I will start with two inputs and gradually increase to 5. I truly appreciate your explanation of the process as I know what needs to be done, just not how...
  21. Brilliant!!! That was what I was looking for. ...

    Brilliant!!!

    That was what I was looking for. Thank you very much.
    I managed to increase the inputs to 5 and to generate a different letter for each input. Wow, that was the most progress that...
  22. The following code gave the "a" as a continual...

    The following code gave the "a" as a continual output. I changed to serial print in case I made a mess of things (which is quite often!).
    I added the delay to slow things down.

    Teensy++2
    Is...
  23. Thank you Paul, I will play around with that and...

    Thank you Paul, I will play around with that and see how it goes.

    Take care!

    Paul
  24. Thank you for your help Michael. I understand...

    Thank you for your help Michael.
    I understand that the way that I am doing this may not be the best but for me it is the easiest way for me to visualize what is going on as I am completely...
  25. Assistive device- chord EMG input for virtual keyboard

    Purpose (started 30 years ago!) was to design a device that would allow people with amputations, arthritis,etc. to use EMG as an input for a virtual keyboard.

    Just over a year ago I learned...
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