Rain alarm schematic circuit diagram

  
FIG. 1 is a circuit diagram of it, it is in the audio circuit from the resistance between the two leads to a probe to rain alarm. Fig. 2 with CCL to make a probe connected to t
Rain alarm schematic circuit diagram - schematic

he audio circuit, when the rain drops on the probe, the circuit is turned on, the sound will be issued. The alarm can also be used as a variety of water alarm device. Figure 1 Figure 2




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