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You are here: Home / Topics / how to interface strip froce sensing resistor with microcontroller 8051

how to interface strip froce sensing resistor with microcontroller 8051

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Projects › Projects › how to interface strip froce sensing resistor with microcontroller 8051

  • This topic has 2 replies, 2 voices, and was last updated 12 years, 3 months ago by Teh Choo Chin.
Viewing 3 posts - 1 through 3 (of 3 total)
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    Posts
  • March 2, 2013 at 6:39 am #2157
    Teh Choo Chin
    Participant

    Hi,

     

    Currently i was using strip force sensing resistor and microcontroller 8051 board for my final year project. My problem is how to interface the strip force sensing resistor with 8051 ? Is this project difficult to program ? Thanks.

    March 2, 2013 at 5:22 pm #9222
    AJISH ALFRED
    Participant

    Hi,

    Connet your sensor to an ADC and then interface the ADC to the 8051. Not that much difficult, you can find a lot of examples of interfacing ADC with 8051 from the web.

    March 18, 2013 at 9:30 am #9339
    Teh Choo Chin
    Participant

    Hi,

     

    The strip force is like normal resistor. It connect with LED then when press the strip the LED will light up. My strip force range is 10g-1kg. Now the problem is when i step on the strip, the LED still will light up. Below is my program:

     

                 ORG 0000H
                 MOV R1, #00000000B
     
    TEST:   ORL P3, #0FFH
                 JNB P3.0, CASE1
                 AJMP TEST
      
    CASE1: MOV A, R1
                  MOV P1, A
                  XRL A, #00001111B
                  MOV P1, A
                  AJMP TEST

     END 

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