Blog posts tagged with 'DHT22'

Measuring Temperature and Humidity with DHT22 and Arduino
Measuring Temperature and Humidity with DHT22 and Arduino

Our earlier DHT-and-ESP32 article put temperature and humidity readings on a web page; this project keeps things simpler and standalone, reading the…

Wiring DHT11 and DHT22 to ESP32 and Displaying Values on a Web Server
Engineering illustration: Wiring DHT11 and DHT22 to ESP32 and Displaying Values on a Web Server

Displaying temperature and humidity readings from a DHT sensor on a self-refreshing web page generated by an ESP32 board.

Logging Sensor Data to an SD Card with NodeMCU
Engineering illustration: Logging Sensor Data to an SD Card with NodeMCU

Store temperature and humidity sensor readings in a text file on an SD card connected to NodeMCU for later review.