Make Code Thermometer

I have been starting to mess around with programming for the Adafruit’s Circuit Playground Express. Here is my first program to use the multicolor LEDs (neopixels) on the board to display the current temperature. The temperature is rounded to the nearest ten. Each light represents 10 degrees (1 light => 5 degrees Fahrenheit).

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Below is a link to launch the simulator. You can make it fit the screen by adjusting the width of your browser. Click the A button to activate the thermometer for five seconds. Adjust the temperature by clicking and dragging on the red thermometer in the top right.  This is the link in case you want to edit the program: (




Day 3/4 Sewing Up Science

Today we will be modifying an existing program to run on your Gemma Arduino. You will want to use Firefox for visiting the programing site. Please visit my page to find the STEM-U code here: 

You can find the templates for the STEM-U Lesson Plan on the Center for School of Tomorrow here:

RAFT Kit Standards

Next Generation Science Standards for engineering in grades 3-5

House keeping:
Please take the Post Survey here:
Please take the strand post assessment:

Helpful Resources for Sewing Up Science


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SparkFun’s Great Big Guide to Paper Circuits

Dr. AnnMarie Thomas and the Playful Learning Lab’s Squishy Circuits Page (St. Thomas University)

Utah Stem Action Center Classroom Grants up to $1500 Due October 2, 2015

Adafruit Tutorials
You have all the supplies to make this light sensitive heart.

E-textile Monster from Jessica


Please feel free to share any suggestions in the comments below.

Day Two of Sewing Up Science Workshop

Yesterday we explored parallel and series circuits with copper tape, through-hole LEDs, CR2032 button batteries, and card stock. Today we will revisit these circuits using conductive and non conductive dough. Before hooking up your squishy circuit, watch the following video.

This page from the creators of our squish circuit kits provides videos showing how to make conductive and insulating doughs. They have additional information on safety precautions and how to apply Ohm’s law. Thank you Dr. AnnMarie Thomas and the Playful Learning Lab at St. Thomas University for developing and sharing these materials.

Let’s see what happens when we try to make a series and parallel squishy circuit. How might you be able to integrate a squishy circuit into a lesson you already teach?

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Next we will begin to create some e-textiles. You may say, “what is an e-textile?” An e-textile in our case will mean using conductive thread(stainless steel fibers) to sew LEDs, buzzers, and microchips into a piece of fabric. Lets start with a very simple circuit. We will wire two red Lilypad LEDs in parallel to a Lilypad battery holder with an on-off switch. First you should always sketch out your circuit. I like to trace the components to help me see how everything will line up.

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Matt has created a video for tutorial on threading a needle. He can also show you in person.

When starting a stitch I put a double-knot at the end of my thread and fold the thread over the needle so it overlaps about 4-5 inches. It is best to keep your stitches short (1/8″) to maintain conductivity. In the circuit drawn above I will start my stitch on the back of the positive end of the LED on the right and stitch around the tab 4 times before stitching towards the next led. You will want to use one piece of thread to continuously stitch the entire positive line from led, to led, to battery, and then tie off. You will use a drop of clear nail-polish to secure the knot. Repeat this procedure for the negative(ground) line. Insert your battery and test your circuit. This first e-textile was mainly to practice stitching.

Now that you have a little practice with stitching with the conductive thread, let’s try and make a bracelet. Here is a nice tutorial on Instructables:

Workshop Blogs


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Day One of Sewing Up Science Workshop


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Welcome to the STEM-U Sewing Up Science Workshop. This blog will provide a tentative outline of the activities you will be working on throughout the week. I have created this blog on WordPress. I would like you all to create a blog of your own to create a lasting artifact that you will be able to refer back to during the busy school year. My entries will also continue to be available for your reference.

Last spring I taught a full semester course called Craft Technologies in the Instructional Technologies and Learning Sciences department. I have been living in Logan for a year now. Before starting my doctoral studies, I was an elementary science teacher in Brooklyn for 8 years.

The tentative agenda for the week: STEM-U_Agenda

Please click here for our preassessment:

Today we are going to be working with paper circuits and squishy circuits. In addition, we will be getting everyone up and running with WordPress on your new tablets. You will notice that these devices might be a little slow, but as teachers we all know how to make the best of the materials we are provided. I have created a blog entry with my NuVision tablet on how to make our first project of the day, which is a paper circuit enhanced name tag. I have found that it is best to have the camera over expose for the light for nicer looking images, below is an example.

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These are screen shots to show how to access the exposure control. Touch the circle to the right of the blue dot. Then click the +/- icon (not pictured) and then click +3 or +2.

Head over to the Name Tag Post by clicking on this link:

This work is supported by the Center for The School of the Future at Utah State University,, and Idaho National Labs,

Name Tag


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This page documents the creation of my LED enhanced name tag table tent. First I sketched my name in pencil leaving at least two inches of space on each side to leave room for a battery.


My idea is to place a red LED in the pupil of the eye in the letter R. I have decided to hide the copper tape circuit on the  back of the paper. I first poked the LED legs through the paper to see where my copper lines will connect noting the cathode(-) anode(+) legs.


Next I sketched out my circuit noting the direction of current flow and placing a fold pocket for the battery.


Next I run my copper lines with a continuous piece of copper from each terminal of the battery to the line for the LED. N.B. I do not have the LED through the paper at this point.


Finally I insert the LED and use copper tape to secure it to the circuit.



This is a great example of what can be accomplished with a paper circuit. The painting is by Jie Qi who developed Chibitronics paper circuits.

This work is supported by the Center for The School of the Future at Utah State University,, and Idaho National Labs,