The latest articles on DEV Community by sly user (@slyuser). https://dev.to/slyuser https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F1252297%2F663480c4-fb8d-4a54-a4b8-0255107360eb.png https://dev.to/slyuser en sly user Wed, 14 Aug 2024 05:06:01 +0000 https://dev.to/slyuser/reading-temperature-and-humidity-data-from-dht11-sensor-with-arduino-46hj https://dev.to/slyuser/reading-temperature-and-humidity-data-from-dht11-sensor-with-arduino-46hj <p>The article provides a guide on how to use a <a href="https://www.slyautomation.com/blog/dht11-with-arduino/" rel="noopener noreferrer">DHT11 temperature and humidity sensor</a> with an Arduino. It details the necessary components, wiring, and code required to read and display data from the DHT11 sensor on the Arduino's Serial Monitor. </p> <h3> Key Points: </h3> <ol> <li> <strong>Components Needed</strong>: Arduino (e.g., Uno), DHT11 sensor, jumper wires, breadboard (optional), and a resistor (optional).</li> <li> <strong>Wiring</strong>: Connect the DHT11's data pin to Arduino's digital pin 2, VCC to 5V, and GND to ground.</li> <li> <strong>Code</strong>: The article provides an Arduino sketch that reads temperature and humidity values from the DHT11 sensor using the DHT library. The data is displayed on the Serial Monitor every 2 seconds.</li> <li> <strong>Error Handling</strong>: The code includes a check to ensure valid readings, printing an error message if the sensor fails.</li> <li> <strong>DHT11 Specs</strong>: The sensor measures humidity (20%-80% with ±5% accuracy) and temperature (0°C-50°C with ±2°C accuracy) with a resolution of 1°C and 1% RH.</li> </ol> <p>To use the setup, upload the sketch to the Arduino, open the Serial Monitor, and observe the readings.</p> <p>For a detailed guide on using the <a href="https://www.slyautomation.com/blog/dht11-with-arduino/" rel="noopener noreferrer">DHT11 sensor</a> with Arduino, including step-by-step instructions and code explanations, read the full article at <a href="https://www.slyautomation.com/blog/dht11-with-arduino/" rel="noopener noreferrer">https://www.slyautomation.com/blog/dht11-with-arduino/</a>.</p> arduino beginners programming tutorial