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Hdc1080 temperature measurement 51 single chip microcomputer
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Hdc1080 is a digital humidity sensor with integrated temperature sensor, which can provide excellent measurement accuracy with ultra-low power consumption. Hdc1080 supports a wide range of operating power supply voltages and offers low-cost and low-power advantages over competitive solutions for a wide range of common applications. The code can measure the temperature value of hdc1080
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51 Ultrasonic Sensor
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The serial port reads the ultrasonic sensor data. Ultrasonic sensor is a kind of sensor that converts ultrasonic signal into other energy signal (usually electrical signal). Ultrasonic wave is a mechanical wave whose vibration frequency is higher than 20kHz. It has the characteristics of high frequency, short wavelength, small diffraction phenomenon, especially good directivity, and can become a ray and propagate directionally. Ultrasonic has great penetration ability to liquid and solid, especially in the solid with opaque sunlight. When the ultrasonic wave touches the impurity or interface, it will produce significant reflection and echo. When it touches the moving object, it will produce Doppler effect. Ultrasonic sensors are widely used in industry, national defense, biomedicine and so on.
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