Arduino – Weather Station with BMP180

Following on from this post, I have added a second sensor and developed the code further.

Here is the BMP180 (link to data sheet hosted with Adafruit), its a bosch sensor which will measure pressure and temperature – I bought from China via ebay – x2 sensors cost $2.96 delivered.

I outputted both the DHT22 and the BMP180 temperatures in the serial monitor to check to see how close they were – not too far out.

The board now looks like this:

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Arduino – Simple weather station

I recently picked up a clone Arduino Uno from China via ebay along with some sensors and other bits and pieces to learn a bit about Arduino – First project a simple weather station.

For wiring instructions and arduino Libraries I used Adafruit, DHT22 here and 16×2 LCD here.

Then cobbling together some code from here which I made a few changes to:

  • Changed Fahrenheit to Celsius
  • Added a degree’s Celsius character
  • Changed the LCD and DHT22 Pins
  • Changed the error code to “looking”
  • Added a five second delay as the humidity reading was flickering on the display
  • Added the F as described in the comments – see bottom of post

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