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HDC2010: Reading data from HDC2010

Part Number: HDC2010

Hello,

We are using HDC2010 for sensing Humidity, and Temperature. We have connected the sensor to the I2C bus, and Linkit Smart 7688 act as the Master. We are running a C code to read the value of Temperature , and Humidity from the sensor. We are using i2c_write to set the register, and then i2c_read to read the value in corresponding register. So, first, we read data from register 0x00, then 0x01, and similarly the humidity values. But currently we are getting all the values as 0. We have also tried to use Aardvark I2C/SPI Host Adapter to read the registers, and still get 0. Are we doing something wrong? Please find the hardware connection diagram below.