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Method for input configuration? — Parallax Forums

Method for input configuration?

ArchiverArchiver Posts: 46,084
edited 2004-01-25 05:55 in General Discussion
I've built a controller that will automatically choke the generator
at our cabin via a standard servo. (Using the BS1)

I have (3) pins left, and I am looking for a method to 'modify' the
distance the servo travels. I can hard code it, but I would like to
be able to put the devide into some kind of test mode, and allow user
input to determine the degree of swing.

I need some brainstorms, anyone?


TIA,

-John

Comments

  • ArchiverArchiver Posts: 46,084
    edited 2004-01-25 02:32
    Attach the arm to a pot and use the POT instruction to read it. With a
    bit of empirical testing you can use this data to know the choke arm
    position. You can use the other pins as nudge inputs to set the limits
    of the position.

    Do I get a cookie for solving your problem?

    -- Jon Williams
    -- Applications Engineer, Parallax
    -- Dallas Office

    Original Message
    From: ufi911 [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=aqcxGWLsYCfT-Qw6XqPtSF1fx0-hr3z5LHJMOV1bs-g43RDZsan0nmUhtX9BqvA7KU2tXtIZYlz8]john@l...[/url
    Sent: Saturday, January 24, 2004 7:51 PM
    To: basicstamps@yahoogroups.com
    Subject: [noparse][[/noparse]basicstamps] Method for input configuration?


    I've built a controller that will automatically choke the generator
    at our cabin via a standard servo. (Using the BS1)

    I have (3) pins left, and I am looking for a method to 'modify' the
    distance the servo travels. I can hard code it, but I would like to
    be able to put the devide into some kind of test mode, and allow user
    input to determine the degree of swing.

    I need some brainstorms, anyone?


    TIA,

    -John
  • ArchiverArchiver Posts: 46,084
    edited 2004-01-25 02:51
    Sorry ... on a mad dash to the corner store for some ice cream I
    realized that the pot is completely unnecessary -- you have control of
    the servo position via PULSOUT so you don't need any additional
    feedback. So, hook up two inputs to nudge the position. To store a
    value you can use a third button or press the original two at the same
    time.

    -- Jon Williams
    -- Parallax

    Original Message
    From: Jon Williams
    Sent: Saturday, January 24, 2004 8:32 PM
    To: basicstamps@yahoogroups.com
    Subject: RE: [noparse][[/noparse]basicstamps] Method for input configuration?


    Attach the arm to a pot and use the POT instruction to read it. With a
    bit of empirical testing you can use this data to know the choke arm
    position. You can use the other pins as nudge inputs to set the limits
    of the position.

    Do I get a cookie for solving your problem?

    -- Jon Williams
    -- Applications Engineer, Parallax
    -- Dallas Office

    Original Message
    From: ufi911 [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=HlEb2_x_fC43HgA3_UaqbGrmifIZQ_aDrEZ0TodqcZADtyjoU2ZIOmT8x4x6V_8trTEtX0KCwQ]john@l...[/url
    Sent: Saturday, January 24, 2004 7:51 PM
    To: basicstamps@yahoogroups.com
    Subject: [noparse][[/noparse]basicstamps] Method for input configuration?


    I've built a controller that will automatically choke the generator
    at our cabin via a standard servo. (Using the BS1)

    I have (3) pins left, and I am looking for a method to 'modify' the
    distance the servo travels. I can hard code it, but I would like to
    be able to put the devide into some kind of test mode, and allow user
    input to determine the degree of swing.

    I need some brainstorms, anyone?


    TIA,

    -John
  • ArchiverArchiver Posts: 46,084
    edited 2004-01-25 02:52
    Very good idea Jon. And quick as usual.

    You lost me on the cookie part, but I'll tell you what, you can have
    one of the cookies Yahoo.com left on my computer!

    Thanks again,

    -John

    --- In basicstamps@yahoogroups.com, "Jon Williams" <jwilliams@p...>
    wrote:
    > Attach the arm to a pot and use the POT instruction to read it.
    With a
    > bit of empirical testing you can use this data to know the choke arm
    > position. You can use the other pins as nudge inputs to set the
    limits
    > of the position.
    >
    > Do I get a cookie for solving your problem?
    >
    > -- Jon Williams
    > -- Applications Engineer, Parallax
    > -- Dallas Office
  • ArchiverArchiver Posts: 46,084
    edited 2004-01-25 05:55
    I agree Jon, I don't need the pot, I just thought maybe I hadn't
    explained my use clearly. Your nudge buttons were the answer I was
    looking for. I was trying to make it way too complicated.

    And the trip to the store for ice cream explains the cookie comment!

    Thanks again,

    -John

    Original Message
    From: Jon Williams [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=5okTEgbclFn6sF7lf3ndsPuLf72rCoiGpd9ScYjPmJJvbnRwbcudQGzFE3unbgq1mXBM-lGVOoUh3tG2]jwilliams@p...[/url
    Sent: Saturday, January 24, 2004 8:52 PM
    To: basicstamps@yahoogroups.com
    Subject: RE: [noparse][[/noparse]basicstamps] Method for input configuration?

    Sorry ... on a mad dash to the corner store for some ice cream I
    realized that the pot is completely unnecessary -- you have control of
    the servo position via PULSOUT so you don't need any additional
    feedback. So, hook up two inputs to nudge the position. To store a
    value you can use a third button or press the original two at the same
    time.

    -- Jon Williams
    -- Parallax
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