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  1. #1
    imported_737nut
    Guest

    8/8/8 phidget help

    Hello,
    I have an interface on my that outputs analog 0-4.5volt signal at 5mA max. Can i hook that into the analog input of the 8/8/8? Will it see it as pot, or something different? Here is the qote from the manual,
    Analog outputs may be assigned to airplane attitude or some likes variables. The output range is
    0÷4.5Vdc; if assigned to a bi-directional variable (i.e. pitch or bank), the neutral position will be at
    half of full-scale voltage (2.25Vdc). Analog outputs have a low current drive capability (5mA max)
    and requires external electronic amplification circuits to be used on transducers or indicators. Use
    of analog outputs is dedicated to expert users; do not attempt to use analog output if you don’t
    have an adequate electronic and technical knowledge.
    If it will work, i need a wire schematic to hook up the 1/8 mini plug

    Thanks,
    Rob
    Rob

  2. #2
    phidgets
    Guest

    Sounds Okay

    Hi Rob,

    What you want to do sounds okay to me. This Analog tutorial has the proper info in it so you can understand how to wire up to the Analog input.

    http://www.phidgetsusa.com/tutorials...analog_FSR.asp

    Matt

  3. #3
    imported_737nut
    Guest
    Thanks, but will the 5volt from the Phidget interfear with the 0-4.5 output of the signal? I completely understand the hooking up of the pot, or varible resistor but not voltage to voltage. Hope that makes sense? Here is a copy of thier output pinout,
    +5V 1 2 +5V
    ANALOG OUTPUT 1 3 4 ANALOG OUTPUT 2
    ANALOG INPUT 1 5 6 ANALOG INPUT 2
    ANALOG INPUT 3 7 8 ANALOG INPUT 4
    ANALOG INPUT 5 9 10 ANALOG INPUT 6
    DIGITAL INPUT COLUMN 1 11 12 DIGITAL INPUT COLUMN 2
    DIGITAL INPUT COLUMN 3 13 14 DIGITAL INPUT COLUMN 4
    DIGITAL INPUT COLUMN 5 15 16 DIGITAL INPUT COLUMN 6
    DIGITAL INPUT COLUMN 7 17 18 DIGITAL INPUT COLUMN 8
    DIGITAL INPUT ROW 1 19 20 DIGITAL INPUT ROW 2
    DIGITAL INPUT ROW 3 21 22 DIGITAL INPUT ROW 4
    DIGITAL INPUT ROW 5 23 24 DIGITAL INPUT ROW 6
    DIGITAL INPUT ROW 7 25 26 DIGITAL INPUT ROW 8
    DIGITAL OUTPUT 1 27 28 DIGITAL OUTPUT 2
    DIGITAL OUTPUT 3 29 30 DIGITAL OUTPUT 4
    DIGITAL OUTPUT 5 31 32 DIGITAL OUTPUT 6
    DIGITAL OUTPUT 7 33 34 DIGITAL OUTPUT 8
    DIGITAL OUTPUT 9 35 36 DIGITAL OUTPUT 10
    GND 37 38 GND
    GND 39 40 GND

    Rob

  4. #4
    phidgets
    Guest

    +5

    You wouldn't use the +5 from the interface. You would connect the ground to your ground and the output signal of your thing to the analog input of the jack on the 8/8/8.

    You would ignore the +5 out on the 8/8/8 because you already have your power source

    Matt

  5. #5
    imported_737nut
    Guest
    Great, Thanks!!

    rob

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