Description
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The HR202 Humidity Sensor is a resistive-type sensor that changes resistance with relative humidity. It is widely used in electronic hobby projects and low-cost monitoring applications. The module provides an analog signal output for microcontrollers.
Specifications:
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Operating Voltage: 5V DC
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Output: Analog voltage
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Humidity Range: 20% – 90% RH
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Accuracy: ±5% RH
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Response Time: <5s
Features:
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Simple and low-cost solution
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Analog output for easy interfacing
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Compact PCB design
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Works with Arduino, ESP8266, ESP32
Applications:
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DIY weather monitoring
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Indoor humidity tracking
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Smart plant care
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Educational electronics kits
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