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Relative humidity LED display and excessive humidity alarm circuit
Source: InternetPublisher:张三叔 Updated: 2011/09/03
The circuit is shown in the figure. It includes humidity sensor, LED point display circuit, language sound circuit, audio power amplifier circuit, etc. It is used in greenhouses, special breeding, sprout cultivation, etc. It has functions such as intuitive LED display and alarm when the preset humidity is exceeded. Latest Control Circuits Circuits
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