Si7021 Temperature and Humidity Sensor Module UART Interface Industrial High Precision Small Size

Manual Click here to openFeatures 1 The module integrates high quality Si7021 temperature and humidity sensor from Silicon Lab It uses dedicated digital module acquisition technology and temperature and humidity sensing technology to ensure high reliability and long term stability 2 Built in humidity humidity sensitive and temperature thermistor sensor components analog to digital converter signal processing calibration data and I2C host interface 3 Factory calibration data is stored in on chip non volatile memory which ensures that the sensors are fully interchangeable and do not require recalibration or software changes 4 Patented technology for humidity sensing using industry standard low dielectric constant polymer dielectrics creates low power monolithic CMOS sensor modules with low skew and hysteresis and excellent long term stability 5 Suitable for measuring humidity dew point and temperature the module is small in size and accurate to 0 4 C users can embed it in many highly integrated environments With millisecond measurement conversion time no need to wait between starting measurement and reading data 2 54mm pitch interface convenient for integration testing 6 The Si7021 sensor chip is connected to an 8 bit single chip STM8S through the IIC interface The STM8S leads to the UART interface and the external serial port device for data exchange The MCU has downloaded the temperature and humidity measurement program and directly connects the U