Automatic sprinkler controller circuit diagram 5

Published:2011/6/16 5:24:00 Author:Lucas | Keyword: Automatic , sprinkler controller | From:SeekIC

The automatic sprinkler controller circuit is composed of the power supply circuit and humidity measurement and control circuit, and the circuit is shown as the Figure. Power supply circuit is composed of the power transformer T, rectifier diodes VD1 ~ VD4, filter capacitors C1 ~ C3 and three-terminal integrated regulators ICl, IC2 and so on. Humidity measurement and control circuits is composed of the humidity detector, NOT gate integrated circuit IC3 (Dl, D2), transistor V, Relay K and the external components. R1 uses l/2W carbon film resistor: R2 ~ R5 select l/4W carbon film resistors. RP1 ~ RP3 use small synthetic carbon film potentiator.



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