How To Make An Mini IOT Weather Station

Let's make a little portable IoT weather station for under $20 using Arduino and the Blynk library! It uses the 433Mhz transmitter so if you want you can use multiple clients like a LCD screen in your living room and another in your kitchen. I made the code simple enough that most people can hack it to do whatever they want... Lets get started making!
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By Austin Detzel
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Let’s make a little portable IoT weather station for under $20 using Arduino and the Blynk library! It uses the 433Mhz transmitter so if you want you can use multiple clients like a LCD screen in your living room and another in your kitchen. I made the code simple enough that most people can hack it to do whatever they want… Lets get started making!

You will need the following parts:

  • 433Mhz Tx and Rx
  • Arduino Uno
  • Arduino Ethernet Shield
  • Arduino Nano
  • DHT11
  • 4x AAA battery pack
  • Wires
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Code
Code snippet #1
Code snippet #2

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