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Reservoir water level monitoring circuit
Source: InternetPublisher:方世玉223 Keywords: BSP electrode Updated: 2020/08/02
Only 3 water levels are shown in the picture. If you want to have more water levels, just add the same circuit .
When the reservoir water level drops to the minimum specified level (that is, lower than the C electrode ), an alarm signal is issued. KA is a DC 12V
type 522 relay.
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