High limit of temperature animal bleating alarm and automatic ventilation cooling control circuit

Published:2011/5/16 3:50:00 Author:Nicole | Keyword: temperature, bleating alarm, ventilation cooling | From:SeekIC

The circuit is as shown, it consists of upper temperature limit detection circuit, call alarm circuit, relay control fan lowering temperature circuit and AC depressurization power supply circuit. IC1 adopts CMOS large scale language integrated circuit KD-56021, it stores four kinds of animal sounds: sheep, cattle, chicken, dog.



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