Tag Projects for: 'DHT21'
DHT21 Digital Temperature and Humidity Sensor With Arduino

In this tutorial we will learn how to use DHT21 Humidity and Temperature Sensor with Arduino and display the values on the OLED Display. Watch the video! Step 1: What You Will Need Arduino Uno or any other Arduino board DHT21 sensor Breadboard Jumper wires OLED Display Visuino software: Download here Step 2: The Circuit Connect …