planter fertilization tube blockage alarm

Published:2011/7/25 1:04:00 Author:chopper | Keyword: planter, fertilization tube, blockage alarm | From:SeekIC

This example describes the planter fertilization tube blockage alarm,which can send the sound and light alarm signal to alert the staff to process timely when the fertilizertube is jammed. The principle of circuit The planter fertilization tube blockage alarm circuit is formed by the transistors V1-V5,the potentiometers RP1-RP4,relay K, indicator light HL,buzzer HA,power switch S and battery GB,which is shown in figure 4-106.



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