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Monitor current and forecasted weather data with littleBits and a little coding. These customizable
and modular weather boxes display current temperature, the forecasted high and low temperatures for the day, and the forecasted conditions for the day (i.e. sunny, cloudy, precipitation).

***Note: To complete this project, you will need to know how to work with APIs. The cloudBit’s API documentation can be found here. The Weather Underground's API documentation can be found here.


Make this project with littleBits
littleBits is the easiest and most extensive way to learn and prototype with electronics. We are making hardware limitless with our award-winning, ever-growing library of electronic modules, ranging from the very simple (power, sensors, LED) to the very complex (wireless, programmable). This project uses the littleBits cloudBit (TM). The cloudBit lets you connect any device to the internet, turning any object into an internet connected device in a snap – no soldering, wiring or programming required. Instructions for setting up the cloudBit can be found here.

How they work:

We wrote a short program that gets information from Weather Underground and sends that data through the littleBits cloud to a cloudBit. Every 30 minutes the program asks Weather Underground for the current temperature and the forecasted high, low, and conditions for New York, NY. Then it converts this information into a voltage* which is sent to each cloudBit, adjusting the angle of the servos (the servos must be set to turn mode for this to work). We've posted the code for our program here.

*The program does not specify the volts, rather it sends a value from 0 to 100 which tells the cloudBit what percentage of the total power (5v) to output.

Bits You Will Need:

littleBits cloudBit™ x 4

littleBits Servo x 4

littleBits Split x 1

littleBits USB Power x 3

littleBits Wire x 3


Other Materials Used:

1/4" wood (we used cherry) x 1

11/8" black acrylic x 1

11/8" Masonite (aka hardboard) x 1

11/8" white acrylic x 1

double sided tape x 1

M2 x 8mm Machine screws x 4

White acrylic paint x 1

Wood finish of your choice (we used Danish Oil) x 1

Wood glue x 1

Tools

Clamps

Laser Cutter

Sand Paper

Screwdriver

Files You Will Need:

Black_Acrylic_Templates.pdf

Cherry_Templates.pdf

Masonite_Templates.pdf

White_Acrylic_Templates.pdf

Step 1: Set Up Your CloudBits

Set up your cloudBits if you haven’t done so already. Instructions for setting up the cloudBit can be found here.

Step 2: Assemble the Case

Add a little glue to the edges of each plate (A­1 through A­6) and press fit them together. You’ll want to use some masking tape or clamps to hold the plates together while the glue dries.

Be sure to wipe away any excess glue that squeezes out when you press the plates together.

Step 3: Glue on the Wooden Panels

Glue the wooden side panels onto the edges of the case and clamp until the glue dries

Step 4: Finish the Wooden Panels

If you would like to add a finish to your wooden panels, sand them once the glue has dried, then apply the finish. We sanded them first with 150 grit sandpaper, then 220 grit. After wiping off the dust, we applied Danish Oil according to the manufacturer’s instructions.

Step 5: Add Graphics to the Display Panels

To get the white graphics painted on the black acrylic, we first etched the images onto the acrylic sheet using a laser cutter. Before we peeled the protective paper of the sheets, we gave the etched portions a couple of coats of white acrylic paint. Once the paint was dry, we peeled of the paper to reveal our graphics.

Step 6: Mount the Servo

Mount the servo motor on acrylic plate C­3 using the two #4 machine screws. Glue C­2 to the top of C­3. Glue the mounted servo to the back of C­1, the display panel.

Step 7: Attach Arrows

Using the xxx screw, attach the arrow to the servo. If you plug the servo into a power module, the servo will go to its 0% power position and hold there. Align the arrow to 0 degrees and tighten the screw.

Step 8: Add Faceplates to the Case

Place some double sided tape or glue dots to the back of the acrylic plate (C­1) and the label plates (A­7). Press each into place on the case.

Step 9: Add the Circuit

Create the circuits shown in the image and add them to each case. We used the adhesive shoes to hold the circuits in place.

Step 10: Create Your Code

Write the program that will read the data from the Weather Underground API and pass that information on through the littleBits cloud to each of your cloudBits. You can check out our example on gitHub.

*Note: You will need your own API key for Weather Underground. To get your cloudBit's access token and bit ID, look under the bit's settings in Cloud Control.

Cool!
<p>very nice. almost as nice as chocolate pickle pie! :)</p>

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Bio: littleBits makes an open-source library of electronic modules that snap together with tiny magnets for prototyping, learning, and fun. littleBits consists of tiny circuit-boards with ... More »
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