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Review on 🌑️ HiLetgo 2pcs Si7021 Temperature Humidity Sensor for Arduino GY-213V-SI7021 - Industrial High Precision with I2C Interface by Major Callaham

Revainrating 1 out of 5

Not suitable for Si7021 in temperature and humidity

The devices I received reports that it is Si7020, not the advertised Si7021. While they're pretty much identical in spec, the 20's aren't as accurate as the 21's with moisture. I rate them one star because they don't give you what you paid for.

Pros
  • Humidity range: 0-100% RH (recommended 20-80% RH)
Cons
  • Almost everything is fine