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Basic water level ( switches as alternative)

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Basic water level ( switches as alternative)
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Assuming that the surface of a finger has less than 10Mohms (R1) of resistance, draw a circuit that will turn on an LED when finger touches(S1 with 8Mohms) across a two-wire contact point.

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Profile image for rb2019

RB2019

14 Circuits

Date Created

3 years, 10 months ago

Last Modified

3 years, 10 months ago

Tags

  • led
  • comparator
  • lm741
  • easy

Circuit Copied From

COmparator3A

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