SENSIRION SHT21 temperature sensor service manual(1)(1)
Update: 30 September, 2023
SHT21 is the new generation of Sensirion humidity and temperature sensors, which is embedded in a DFN package with reflow soldering, small size and low power consumption, and has excellent long-term stability. The sensor is calibrated and tested, and an electronic identification code is stored in the chip. The resolution of the sensor can be changed by entering commands, the sensor can detect low battery status, and output checksums to improve the reliability of communication.