2. Physically Constructing the Weather Station

To make the weather station, you will need all of these things:


These are:

  • A Raspberry Pi with an SD card (preferably either with NOOBS software on or an already installed operating system)


  • A Raspberry Pi case (this is the Pibow, available here)


  • A breadboard (we’ve used the AD-100 breadboard from Maplin)


  • A paddle board and breakout cable (ours is from Cyntech)


  • A temperature sensor (this one is the Bosch BMP085 sensor)


  • Four different coloured wires


To assemble the weather station:

1. Put together the case:

A. First put pieces 0, 1 and 2 down, orienting them correctly so that the numbers lie on top of each other. The case will be held together with pins – these are in a later step.


B. Place the Pi onto the case (it should sit just inside of piece 2)


C. Put on pieces 3, 4 and 5. It may be easier to put these on individually.


D. Attach the rainbow cable to the Pi by firmly pressing it onto the pins at the top right, being careful not to bend them. Orientation is important – make sure that the blue wire is at the top and the “J” on the black connector is at the bottom, where “J” is circled in red in this picture to make it clearer:


E. Place piece 6 on top of the Pi. The cable should fit under the piece comfortably, as shown


F. Place piece 7 and the final clear piece.


G. Put the screws into the corners and tighten the nuts until the case is secure (the screw may not fit in the hole nearest to the rainbow cable . It is ok to leave this screw out, as the case will hold together)


2. Attach rainbow cable to the orange and green circuit board if it is not already connected

Just press the cable’s connector down over the paddle board’s pins and it should stay in place.

photo 4

3. Put blue temperature and pressure sensor onto AD-100 Breadboard

The pins should be in Row F, Columns 12-17 as shown (Note: the sensor used here has been soldered with labels facing downwards. If your sensor has been soldered with the pin labels facing upwards instead, you will need to change where your wires go. The connector labels have been added to the picture below the next step to help.)


4. Attach AD100 Breadboard to the orange and green circuit board using the wires.

When attaching the wires to the breakout board, you must press down the orange clip and insert the wire before letting go. If inserted correctly, the clip will stay slightly lowered and the wire will not come out if you gently pull it. You may want to use a pen or a blunt pointed object to help you push down the clips. This diagram is here to help you, or you can use the written instructions below it.

Column 17 is the ground connection. Connect the black wire from “GND” (Row 17 Column A) on the Breadboard to the “GND” connection on the Breakout board.

Column 12 is the power. Attach the red cable from “VCC” (Column 12 Row B) to the “3V3” connection on the Breakout board, opposite the cable.

Column 13 is the data transmitter. Attach the blue cable from “SDA” (Column 13 Row C) to the “SDAO” connection on the Breakout board, on the same set of connections as the power cable.

Column 14 is the clock which keeps track of transmitted data. Attach the yellow cable from “SCL” (Column 14 Row D) to the “SCLO” connection on the Breakout board.

Your Pi Weather Station hardware is now set up to run, and should look a little like this:

Now you can go to the next page and start the Pi so you can begin to set up the software!


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