Arduino - DHT22 - Relay
![Arduino - DHT22 - Relay](https://arduinogetstarted.com/images/tutorial/arduino-dht22-relay-wiring-diagram.jpg)
Learn how to use Arduino to control the relay based on the temperature read from DHT22 sensor. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with Arduino. Find this and other Arduino tutorials on .
![](https://esp32io.com/images/cover/esp32-dht22-relay.jpg)
ESP32 - DHT22 - Relay
![](https://cdn2.botland.store/119448/gravity-snap-on-10a250vac-magnetic-relay-for-arduino-and-esp32-dfrobot-dfr0996.jpg)
Gravity - snap-on 10A/250VAC magnetic relay - for Arduino and
![](https://www.aideepen.com/cdn/shop/products/DHT22-AM2302-DHT11-AM2320-Digital-Temperature-Humidity-Sensor-Module-Board-For-Arduino-Ultra-low-Power-High_a6a01081-8ede-4ab4-8a75-5ac78c32c657_grande.jpg?v=1577264189)
DHT22 AM2302 DHT11 AM2320 Digital Temperature Humidity Sensor
![](https://miro.medium.com/v2/resize:fit:1400/1*lY6TrR_DNwwz-usDcD729Q.png)
Extension of fully automatic watering with DHT22 temperature and
![](https://europe1.discourse-cdn.com/arduino/original/4X/e/a/3/ea3395e8b6ed2f612e2d44baf6fa3378616e4e27.jpeg)
Issue: Relays Not Responding Properly (Upd: Help on Electrical
![](https://arduinogetstarted.com/images/tutorial/relay-pinout.jpg)
Arduino - Relay Arduino Tutorial
Arduino IoT Cloud con ESP32, Relé (relay) y Sensor DHT22. Guía
![](https://lastminuteengineers.com/wp-content/uploads/featuredimages/tutorial-for-controlling-ac-devices-with-one-channel-relay-module-and-arduino.webp)
In-Depth: Interface One Channel Relay Module with Arduino
![](https://esp32io.com/images/tutorial/esp32-dht11-sensor-lcd-wiring-diagram.jpg)
ESP32 - Temperature Humidity Sensor - LCD
![](https://diyables.io/images/products/4-channel-relay-module-pinout.jpg)
DIYables 4-channel Relay Module 5V for Arduino, ESP32, ESP8266