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LCD and an arduino

  1. Jul 26, 2014 #1
    Hey guys so I'm working on a project with an Arduino. I need the Arduino to read from a LCD to tell it what the voltage of a capacitor is. If the voltage is to low I would like it I switch the circuit on to charge the capacitors back up. Anyone know where a good starting point would be?

    Thank you,
    Zig.
     
  2. jcsd
  3. Jul 28, 2014 #2
    How is the LCD getting the values to display?
    IS there a way you could instead redirect this signal right to the chip?
     
  4. Jul 28, 2014 #3
  5. Jul 28, 2014 #4
    It would almost certainly be order of magnitudes simpler to use the chips built in AtoD than trying to read off of that LCD.
     
  6. Jul 28, 2014 #5
    Ok well that is good to know. Thank you for your help!!
    Zig
     
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