Circuit diagram and programming for the FORCE SENSING RESISTOR SQUARE

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  • #11883

    [email protected]
    Participant

    Hello everybody |
    I purchased the resistive plate and I am working on ARM 7.. I need help for interfacing diagram (supply voltage, circuit,etc) and also the programming for calibration. So that I can make it somewhat linear. I hereby attached the datasheet for the reference.
    Thank you in advance

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    #11888

    Ligo George
    Keymaster

    Hi,

    I will give you some guidance. You can connect the FSR in series with a resistor (10K) across the supply (VCC and GND). You can connect the center point to the ADC input.

    Now you can easily read the ADC values which will change depending upon the applied force. You can only get the variation of force by this. For calibration you need to do a lot of practical tests. There is no short cut.

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