Get accurate environmental readings for your next project with the AHT21 Temperature and Humidity Sensor. This compact breakout board is a cost-effective yet reliable solution for measuring ambient temperature and relative humidity. It communicates over a standard I2C interface, making it a breeze to connect to your favorite microcontrollers like Arduino, ESP32, or Raspberry Pi. Thanks to its wide operating voltage range, it offers great flexibility for different power setups. It’s a fantastic choice for building a personal weather station, controlling a smart home HVAC system, or monitoring conditions in a greenhouse. Just solder the included pins and you are ready to start collecting data.
Feature & Specs:
Model: AHT21
Operating Voltage: 2.2V – 5.5V DC
Communication Protocol: I2C
I2C Address: 0x38
Temperature Range: -40°C to 85°C
Temperature Accuracy: ±0.3°C
Humidity Range: 0-100% RH
Humidity Accuracy: ±2% RH
Connection: 8-pin unpopulated header
Fun Stuff To Work With:
Build a desktop weather station.
Create an automated smart greenhouse.
Log environmental data for a terrarium.
#AHT21 #TemperatureSensor #HumiditySensor #I2C #SensorModule #BreakoutBoard #Arduino #ESP32 #RaspberryPi #DIYElectronics #WeatherStation


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