Compare DHT22, AM2302, AM2320, AM2321, SHT71, HTU21D, Si7021, BME280
![Compare DHT22, AM2302, AM2320, AM2321, SHT71, HTU21D, Si7021, BME280](https://www.kandrsmith.org/RJS/Misc/Hygrometers/many_sensors.jpg)
Experimental comparison of many different commonly available low cost hygrometers.
![](https://www.kandrsmith.org/RJS/Misc/Hygrometers/many_rh_diff_b.png)
Compare DHT22, AM2302, AM2320, AM2321, SHT71, HTU21D, Si7021, BME280
![](https://www.vanwerkhoven.org/images/esp8266-sensing-co2-temp-rh-pressure/970ce57f.jpg)
ESP8266 sensing CO2 + Temp + RH + Pressure
![](https://i.redd.it/s2rm3y0rp0db1.jpg)
Who would have thought taking an accurate temperature would be so hard? : r/esp8266
![](https://jpralves.net/img/2017/03/PM96_Attiny85WirelessWeatherSensor.jpg)
attiny85 wireless weather sensor
![](https://europe1.discourse-cdn.com/arduino/original/4X/f/2/2/f223d00521fa9f341732038f5843321c5522cf52.jpeg)
Compare different i2c temperature and humidity sensors (SHT2x, SHT3x, SHT85, ..) - #36 by enjoyneering - Sensors - Arduino Forum
![](https://jpralves.net/img/tags/s/sht71.jpg)
SHT71
![](https://xdevs.com/doc/RPi/img/rpi_bme.jpg)
Using BME280 temperature/humidity/pressure sensor with Raspberry Pi
![](https://www.kandrsmith.org/RJS/Misc/Hygrometers/many_surface.png)
Compare DHT22, AM2302, AM2320, AM2321, SHT71, HTU21D, Si7021, BME280
![](https://res.utmel.com/Images/Article/26260f4b-a03b-49ac-9b9b-3ee6512e651a.jpg)
A Guide for DHT22 Humidity and Temperature Sensor: DHT22 vs DHT11