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GY-21-HTU21 水分感測器 濕度 模組 Arduino

NT$ 150.00
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The HTU21D is a low-cost, easy to use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for environmental sensing and data logging and perfect for a weather stations or humidor control systems. All you need is two for I2C communication and you’ll have relative humidity readings and very accurate temperature readings as a bonus!


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