Agricultural automatical water feeder circuit diagarm 7

Published:2011/6/16 6:02:00 Author:Lucas | Keyword: Agricultural , automatical, water feeder | From:SeekIC

The agricultural automatical water feeder circuit is composed of the power supply circuit, water level detection circuit and control circuit, and the circuit is shown as the Figure 1. Power supply circuit is composed of the power transformer T, rectifier diodes VD1 ~ VD4, filter capacitors C1, C2 and integrated three-terminal regulator IC. Detection circuit consists of the upper electrode H, lower electrode L, variable resistor R2 and transistors V1 and so on. Control circuit consists of transistor V2, relay K1 and other components. R1, R3 and R5 ~ R7 select 1/4W carbon film resistors; R2 uses small full-sealed variable resistor.



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