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    help with AUTOMATIC WATER-LEVEL CONTROLLER project

    first i would thank you .the output of TSOP 1738 is high when ir is blocked i reed the datasheet of it
  2. S

    help with AUTOMATIC WATER-LEVEL CONTROLLER project

    i searched for AUTOMATIC WATER-LEVEL CONTROLLER project and i found this project but there are things i can't understand it first what is the usage of the capacitors 11 and 12 and how the ic 556 get triggered when the when the float interrupt IR sensor and how the output get high always...
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