Liquid level automatic controller circuit diagram 4

Published:2011/8/4 2:29:00 Author:Ecco | Keyword: Liquid level , automatic controller | From:SeekIC

The liquid level automatic controller circuit is composed of the power supply circuit, liguid level detecting control instruction circuit, starting control circuit, and it is shown. Power supply circuit is composed of the power transformer T, bridge rectifier and filter capacitor C. Liquid detecting control instruction circuit is composed of electrodes a ~ c, six NOT gate IC (D1 ~ D6), resistors R1, R2, relay K, color light-emitting diode VL and diode VD. R1 and R2 use 1/4W carbon film resistors or metal film resistors. C selects the aluminum electrolytic capacitor with voltage in 25V.



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