Flood Alarm

  
Using a few bipolar transistors, this circuit acts as a flood alarm. When liquid touches the probes, leakage current biases Ql,
Flood Alarm - schematic

Q2, and Q3 (a dc-cou-pled amplifier) into conduction, which activates the relay. The contacts can be hooked into the alarm system.



Recommended videos


  • How to Make a Simple Water Level Indicator Alarm at Home
    Duration: 6:40.
  • Make a Water Level Indicator at Home ( Hindi / Urdu )
    Duration: 4:20.
  • Arduino Water Detection Alarm Project
    Duration: 16:08.

News


    .