Air humidity measurement circuit 2
Source: InternetPublisher:JFET Keywords: Humidity measurement measuring circuit relay Updated: 2021/09/29
It uses pA741 time base integrated circuit and relay KA to form an alarm circuit when the humidity exceeds the value
. MS01 type humidity resistor is used as the moisture detection element . When the humidity exceeds the specified value, pin 6 of Az is high level,
relay KA is closed, and the alarm circuit is turned on. Adjust the potentiometer RP to determine the upper limit of humidity.
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