Member Since: October 26, 2009

Country: United States

  • Pay attention to the datasheet for this sensor. When it says 5k load resistor minimum, it means it. Also, you need to switch this unit from a low heat voltage(1.4v) to a high heat voltage(5v) cyclically to achieve the desired results. In my testing I found that just leaving the heater on high gave diminishing sensitivity until I turned off the heater for a few minutes.

  • Have you wired in the backlight? That tutorial doesn't include wiring pins 15 and 16 on the lcd. I have hooked the backlight up to a pwm output so that I can turn it on and off via sketch.
    Hope this helps.

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