Agricultural automatical water feeder circuit diagarm 15

Published:2011/6/14 5:49:00 Author:Lucas | Keyword: Agricultural, automatical water feeder | From:SeekIC

The agricultural automatical water feeder circuit is composed of the water level detection control circuit, sound and light alarm circuit and power supply circuit,and the circuit is shown as the chart 1. Power supply circuit is composed of the power switch s, power transformer T, rectifier diodes VD1 ~ VD4, fuse FU, filter capacitor C and the three-terminal voltage regulator integrated circuit IC. Water level detection control circuit consists of water level detection electrodes A ~ H, transistors V1 ~ V6, relays K1 ~ K3, diodes VD5 ~ VD7 and resistors R1 ~ R3. Sound and light alarm circuit is composed of the lights HL1, HL2, HA, and alarm control contacts K1 ~ K3. R1 ~ R3 select 1/4W carbon film resistors or metal film resistors.



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