Vegetable greenhouse humidity detection automatic ventilating with cricket chirped circuit

Published:2011/4/20 4:31:00 Author:Nicole | Keyword: vegetable greenhouse, humidity detection, automatic ventilating, cricket chirped | From:SeekIC

The circuit is as shown. It consists of temperature detection circuit, schmidt trigger circuit, SCR control ventilating circuit, voice phonation circuit and AC depressurization rectifier circuit. It can detect the high humidity environment, when the relative humidity beyond the set value, the circuit will send out cricket chirp, and start discharge fan to operate, ventilate.



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