Visual programming for not programmers

Temperature sensor and humidity HTU-21 (GY-21)

Characteristics of humidity sensor and temperature GY-21 HTU21

— Uses I2C interface
— Humidity measurement accuracy: ± 2%
— Temperature measurement accuracy of ± 0.3 c
— Runs from 0 to 100% humidity but this sensor is not recommended for harsh conditions where possible contact with water (e.g., rain).
— Power the sensor from 3.3 V
— Only one HTU21D sensor may be placed on the i2c bus at the same time

The unit is configured using the editor