Things you should know about this sensor:
- Uses the I2C interface
- Typical humidity accuracy of ±2%
- Typical temperature accuracy of ±0.3C
- Operates from 0 to 100% humidity but this sensor isn’t recommended for harsh environments where it could come in contact with water (such as rain).
- 3.3V sensor – use inline logic level converters or 10k resistors to limit 5V signals
- Here’s the datasheet
- Only one HTU21D sensor can reside on the I2C bus at a time
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