Arduino Weather Station 

Standard LCD - 16x2 White on Blue

DHT11 Temperature & Humidity Sensor (4 pins)

Real Time Clock (RTC)

Arduino UNO

<h3 >Intro</h3>I built an Arduino Weather Station. It uses a DHT 11 (it will also work with DHT21 DHT22).<figure><img src=https://projects.arduinocontent.cc/334a0dff-3d5e-40a4-9b07-1f246ac3a673.png /><figcaption>DHT 11 Sensor</figcaption></figure><h3 >Video</h3>I explain everything in this video. So it might be easier for you if you watch it! <div class="se-component se-video-container __se__float-none" contenteditable="false" style="width: 100%;"><figure style="width: 100%; height: 56.25%; padding-bottom: 56.25%; margin: 0px;"><iframe frameborder="0" allowfullscreen="" src="https://www.youtube.com/embed/2sYKcozjvXA" data-proportion="true" data-percentage="100%,56.25%" data-size="100%,56.25%" data-align="none" style="width: 100%; height: 100%;" data-index="0" data-file-size="0" data-origin="100%,56.25%"></iframe><figcaption contenteditable="true"><div> TechMaker</div></figcaption></figure></div><h3 >First Sketch</h3><figure><img src=https://projects.arduinocontent.cc/d9081cd2-5504-448c-8c9f-9fb4c2b9c40b.png /><figcaption> </figcaption></figure>The first sketch displays the sensor values to the Serial Monitor.Sensor:<ul ><li >pin 1 - 5</li></ul><ul ><li >pin 2 - 5v</li></ul><ul ><li >pin 3 - GND</li></ul><h3 >Second Sketch</h3><figure><img src=https://projects.arduinocontent.cc/0d2d787f-5aa1-4f47-8751-4fb2a19efdfa.png /><figcaption> </figcaption></figure>In this sketch we are going to display the values onto an LCD. I used an I²C LCD for this project.Sensor:<ul ><li >pin 1 - 5 </li></ul><ul ><li >pin 2 - 5v </li></ul><ul ><li >pin 3 - GND</li></ul>LCD:<ul ><li >SDA - A4 </li></ul><ul ><li >SCL - A5 </li></ul><ul ><li >GND - GND </li></ul><ul ><li >VCC - 5V</li></ul><h3 >Third Sketch</h3><figure><img src=https://projects.arduinocontent.cc/5d4ddea4-38b2-42e9-92f0-6b4f12da5e3c.JPG /><figcaption> </figcaption></figure>The final sketch also displays a realtime clock to the LCD. It uses a DS1302 module. For more information about this clock you can check out the Arduino clock I made in a previous project.<div class="se-component se-video-container __se__float-none" contenteditable="false" style="width: 100%;"><figure style="width: 100%; height: 56.25%; padding-bottom: 56.25%; margin: 0px;"><iframe frameborder="0" allowfullscreen="" src="https://www.youtube.com/embed/F7adQBgrucw" data-proportion="true" data-percentage="100%,56.25%" data-size="100%,56.25%" data-align="none" style="width: 100%; height: 100%;" data-index="0" data-file-size="0" data-origin="100%,56.25%"></iframe><figcaption contenteditable="true"><div>More information about the clock here!</div></figcaption></figure></div>Sensor:<ul ><li >pin 1 - 5 </li></ul><ul ><li >pin 2 - 5v </li></ul><ul ><li >pin 3 - GND</li></ul>DS1302:<ul ><li >RST - 2 </li></ul><ul ><li >DATA - 3 </li></ul><ul ><li >CLK - 4</li></ul>LCD:<ul ><li >SDA - A4 </li></ul><ul ><li >SCL - A5 </li></ul><ul ><li >GND - GND </li></ul><ul ><li >VCC - 5V</li></ul><h3 >Code </h3>The code can be found by the CODE part of this project. Libraries are in a map. You have to first unzip the map. Then install them.First sketch Upload the sketch: TEST. Libraries needed: Adafruit_Sensor-master, DHT-sensor-library-master .Second sketchUpload the sketch: LCDLibraries needed: NewliquidCrystal, Adafruit_Sensor-master, DHT-sensor-library-masterThird sketchUpload the sketch: LCDCLOCKLibraries needed: DS1302, NewliquidCrystal, Adafruit_Sensor-master, DHT-sensor-library-master<h3 >Subscribe </h3>If you like these kinds of videos you might also want to see all my upcoming work. Then you can subscribe to my channel right here: <a href="https://www.youtube.com/redirect?q=http%3A%2F%2Fbit.ly%2FTechMakerYouTube&redir_token=j1RAFOlCHi04FcU7meOPJQO9tsl8MTQ4Mzg3MzYyNEAxNDgzNzg3MjI0">http://bit.ly/TechMakerYouTube</a>

Arduino Weather Station

I built an Arduino Weather Station. It uses a DHT 11 (it will also work with DHT21 DHT22).\r\n