ESP8266 NodeMCU with HTU21D Temperature and Humidity Sensor
In this user guide, we will learn to interface HTU21D Temperature and Humidity Sensor module with ESP8266 NodeMCU. Firstly, we will introduce you to HTU21D sensor including its pinout, features, and interfacing with the ESP8266 board. Secondly, we will install the Adafruit HTU21D library in Arduino IDE to access the sensor data. Lastly, we see … Read more