Expressive Wearables “Introverts Party Cup”


The introverts party cup is an expressive wearable that was made to express the emotion of shyness. This wearable was created as a koozie for drinks that also has the ability to light up and express what the person is feeling. The idea for this came from people who feel they are socially awkward or shy at parties, this wearable is made for them to be able to express themselves and have fun.


The wearable was made with felt and cotton balls. The felt was used to make the koozie and the cotton balls were made to diffuse the light from the circuit playground express (CPX). I found that the cotton balls were not as good at diffusing the CPX’s LED’s as I once though. To improve the design instead of the cotton balls I could use a semi opaque fabric to help the light shine through without seeing the CPX.


Due to the fact that my wires short circuited the circuit consist of the buttons on the CPX to change the colours of the LED’s




The first photo is me testing the lights with alligator clips to see if my program worked. The next photo is a picture of my prototype that I presented to the class.



If I were to make a final product from this prototype some revisions on its model would be:

  • A better fabric to diffuse the light
  • a separate compartment on the bottom to house the CPX
  • Different colours of fabric

Skill Sharing Workshop – Latiesha Faisal

For our Skill Share Workshop, we decided to base it on the theme: “Using Household Items.” We then decided to teach the class how to create conductive fabric at home, using easily accessible and fairly priced items.

We separated the presentation into two methods of creating conductive fabric; one method uses an iron, whilst the other method uses a glue gun.

Materials used for ironing:

  • Fusible Interfacing – found at any local craft or fabric store
  • Iron
  • Ironing board
  • Conductive materials
  • Aluminum foil

Materials used for glueing:

  • Fabric (any)
  • Spray glue – found at any local craft store (regular glue also works)
  • Conductive materials
  • Aluminum foil

Step by Step: Iron Method

  • Step 1: Cut a piece of fusible fabric at any size you like.
  • Step 2: Cut out aluminum foil about the same size as the fusible fabric (DO NOT CUT THIS SMALLER THAN THE FABRIC!)
  • Step 3: Place the fabric on top of the aluminum foil on the glue side (This is the side with the dots on it)
  • Step 4: With your iron on at the highest setting iron the two pieces together.

(same steps apply to glue – rest to dry for around 24 hours)

screen-shot-2022-03-24-at-12-00-58-am screen-shot-2022-03-24-at-12-00-50-am

I think that creating conductive fabric at home is very useful as it requires minimal material and skill. The only skill requirement would be to use glue or iron, as opposed to stitching the fabric with conductive thread. The only down side would be that the material wears off over time, so you would not be able to use these methods for a long term project.


Skill Share Workshop – Brandon Luk

Insulating circuits is a simple, but  important task as it helps protect the very important wires in a circuit from external elements and prevents outside influences from damaging or altering the circuit.

Many different materials can be used to insulate wires, from something as simple as a piece of tape, to hot glue and even nail polish. As long as the material used to insulate the wire is non-conductive, anything can be used if done properly.



Expressive Wearable Assignment – Brandon Luk

  • Concept: A glove type wearable that indicates to others that you need to go/leave the room depending on which fingers you touch to your thumb
  • Objective: Some people have issues speaking up when a teacher is talking during class, even if they need to go
  • Parts List: Circuit Playground Express, Felt, Conductive Thread, Conductive Fabric, Regular Thread
  • Reflections & Next Steps: If I were to redo this project, I would condense the wires running from the CPE to the wrist to a single channel to minimize the overall size of the wearabledsc_0003

Complex Circuit Planning with Aluminum Tape

Group 7
By: Jared Ireland, Sylvia Slakva, Tim Chou


Circuit Planning

  • Sketching your circuit on paper is one of the quickest and best ways to plan out your circuits. It’s excellent for getting a rough draft going or refined some of the more complicated parts of your circuits. Your sketches can be applied or transferred to fabric patterns via hand drawing or a drawing machine. 
  • The CPX is great for paper prototyping because the PIN holes can be easily traced out onto paper.


Symbol Conventions

  • Knowing your symbol conventions are essential in creating an accurate and understandable circuit diagram. For this workshop you should familiarize yourself with the LED, resistor and photocell symbols. For more useful symbols, visit this website: Circuit Diagram Symbols




Circuit Prototyping – Why use Aluminum Tape?

  • Breadboards are good for prototyping hardware but not so well for soft-circuits. 
  • Alligator clips are useful for prototyping with the PCX but they can get messy easily and aren’t great for planning a two-dimensional circuit. 
  • Aluminum tape is a great affordable prototyping tool that can be purchased in any hardware store (ex. Home Depot, Canadian Tire). 
    • If you just finished sketching out your circuit diagram you can easily test it out by laying aluminum tape over your sketch to replicate the circuit. 
    • Copper tape is a better alternative because it’s more conductive and easily soldered to, but it is harder to find and costs much more.


Turning your Sketch Diagram into a Working Circuit

  • Using aluminum tape is great for quickly converting your sketch diagram into a testable circuit.
  • You can start by cutting long strips of aluminum tape beforehand to save time. Using a rotary blade cutter to cut the aluminum tape is much cleaner and more effective than using scissors. 


Techniques to using Aluminum Tape

Fold-Over-Overlap + Tape-Over-Overlap:

  • Fold the end of a strip of aluminum tape and tuck it under the sticky side of another strip so that it holds the folded strip in place, then lay down the folded tape so that the aluminum faces are touching.
  • Align 2 strips with one’s end overlapping the other’s, then fold the end overlapping strip so that aluminum faces are touching before taping over the joint to secure it in place.





  • Line up or overlap 2 strips of aluminum tape and sew through both of them a few times with conductive thread. 




  • Prepare 2 short strips of aluminum tape so that one of them is at least ¼” shorter than the other, then align the 2 strips at the center and stick the adhesive sides together so that you have a double sided strip with a sticky side on each end. Use this to bridge the gap between 2 strips continuously.



Troubleshooting and Connecting Components

  • Using a multimeter can be useful for testing if your circuit has continuity because it’s really easy to mess up your circuit if you don’t apply aluminum tape properly. 
  • Aluminum strips have an adhesive side which keeps your circuit in place but can also insulate so it’s not a good idea to overlap a strip over another to extend the wire. You also can’t tape over a LED or resistor leg over another strip of tape because it will break the circuit. 


  • Piercing through the aluminum tape with the LED or resistor legs can help you get a solid connection. 
  • Make sure to position your CPX properly on your circuit to get a proper connection and avoid a short circuit. Holding down the PINs the circuit uses can establish a stronger connection as well. 




We prepared three circuit planning challenges for you to try out with the aluminum tape and handouts that were given out in class. skillshare-circuit-diagram-challenge_page_2

Simple Circuit Challenge 


  • 3 LEDs
  • 3 200 ohm Resistors
  • Aluminum Tape
  • Pencil + Paper
  • CPX



  1. On the simple circuit diagram, Sketch three series circuits with an LED and resistor in each. Use pins A3, A5, and A6 as outputs and use only one GND pin. 
  2. When you finish sketching your circuit, lay down strips of aluminum tape over where the wires should be. 
  3. Upload the simple circuit code and lay your CPX on top of the one in the diagram to test out your circuit.


NOTE: Your circuit can be a bit funky especially when first starting with aluminum tape so you may need to press down on some points of the circuit to keep the connection going through the circuit. 




Simple Circuit Code





Advanced Circuit Challenge 


  • 3 LEDs
  • 4 Resistors (220 ohm)
  • Photocell
  • Aluminum Tape
  • Pencil/Paper
  • CPX


  1. Using only the right half of the CPX, create a circuit diagram that uses one photocell and resistor connected to pin A6, as well three LEDs and resistors that connect to pins A4, A5 and A7.

RESTRICTION: The LEDs and photocell must be spread out around the template without crossing the circle in the middle, or go outside of the outer hexagon. 

NOTE: Photocells (or photoresistors) are light-sensitive variable resistors that change the resistance based on light levels. The higher the light it detects, the lower the resistance.





Advanced Circuit Code


Demo Circuit Challenge


  • 1 LED
  •  Resistor (220 ohm)
  • Aluminum Tape
  • Pencil + Paper
  • CPX



  1. Draw a series circuit of a resistor and LED that uses A2 and GND. Instead of connecting the LED straight to GND, draw a line from the LED to the bottom right corner of the paper before going back to GND.
  2. Draw a line from A3 to the top right corner of the paper.
  3. Place the LED and resistor on top of the spots you drew your diagram. Lay strips of aluminum tape where you drew your lines and over the legs of your resistor and LED.
  4. Place your CPX on top of your diagram and upload the demo code. When the code is uploaded, fold the top right corner of your paper over your bottom right corner to light up your LED. 




Demo Circuit Code





Circuit diagram symbols. Lucidchart. (n.d.). Retrieved March 18, 2022, from,Electrical%20circuit%20diagram%20symbols,zigzag%20lines)%20reduce%20current%20flow.

Ada, L. (n.d.). Photocells. Adafruit Learning System. Retrieved March 18, 2022, from

A. (2017b, February 28). Chapter 6: Adding the photocell. Arduino to Go.

HOW TO GET WHAT YOU WANT. (2022). Kobakant.

Circuit Stickers – Jie Qi. (n.d.). Technolojie.

E-Textile Swatch Exchange. (n.d.). E-Textile Summer Camp.

Sketching in Circuits – Jie Qi. (n.d.). Technolojie.

Capacitive Touch Piano

  • What is the Felt/Capacitive Piano?

It is a soft circuit device that acts as a makeshift piano by using the idea of capacitive touch to create output. In this case, the output would be a sound/tone similar to that produced by a piano. We wanted to share such a product to explore how soft circuits can be combined with musical concepts that can dwell into a myriad of soft circuit devices and wearables and as well a method of creating music.

  • Materials Used & Where to Find Them
Black & White Felt Michaels, Dollarama
Conductive Fabric Class kit, Creatron Inc
Conductive Thread Class kit, Creatron Inc
LED lights Class kit, Creatron Inc
Resistors Class kit, Creatron Inc
HeatnBond Lite Iron-On Adhesive Michaels, Amazon
CPX Class kit, Creatron Inc
  • The Design


With the black felt, cut a rectangle for the base of the piano. With the white felt, cut smaller rectangles for the keys.


First, cut out the size you need for the keys. Then, use an iron to heat and bond the adhesive to the bottom of the keys. You can also use glue or regular thread to do this.




Peel off the sticker and use the HeatnBond Lite Iron-On Adhesive in the back of the fabric to glue the white keys onto the piano.


Use an iron to glue the now adhesive side of the keys onto the base of the piano. 


Cut smaller pieces of conductive fabric and glue them either using the same HeatnBond Lite Iron-On Adhesive method or using regular glue or non-conductive thread.  Add LED Lights on top of each key, either poking them through or using a regular thread. (The conductive thread will be used when adding the CPX!)

After writing your own code and making a circuit diagram, place the CPX under the base, and use conductive thread to sew the keys and LEDs to each of their respective pins. 

  • The Circuits & Code


The sensors are the keys with the conductive fabric on them. Using conductive thread, in this diagram presented as wires, we connected these capacitive sensors to pins on the CPX. Also connected to pins on the CPX are our LED lights, in this diagram we only show one but there are four in total, the same amount of keys we have on our piano.


With this code, each of the pins is set to play a tone on the CPX when activated. They will be activated when someone touches the ‘keys’. 


When the keys are touched, their corresponding LED is also activated. For example, you’ll see in the block of code on the left, it states that when pin A6 is activated, pin A3 will also be activated.


First I started by using if and else statements. But due to it being a one-time click event, the LEDs wouldn’t change. I tried to counter this by declaring other led pins low while 1 was high, but this only further complicated the situation.

screen-shot-2022-03-17-at-8-40-08-pm screen-shot-2022-03-17-at-8-40-15-pm

I then went on to implement a button “down” and “up” function. I used “pin” to define the analog pins and within the “down” segment I set a melody and set the pin (A3) to high to turn on the external LED.

In the “up” segment where the capacitive sensors would obtain no pressure so I set the sound to “stop all sounds” and set the pin controlling the external LED to 0. This still was inefficient at activating the LED. Once I changed “pin” to “touch”, the capacitive sensors were outputting through the LED and the Adafruit speaker. 

  • The Final Code


  • Our Completed Prototype!


  • Reflection


Have the circuit in hand before starting the design. We accidentally made a design that didn’t work with all four LED lights because we didn’t have an idea of what the circuit should look like before we began.


If you decide on using the HeatnBond adhesive, make sure to research which materials you’re using before using an iron. One of the materials we used ended up burning a bit when the iron was applied to it.

  • Similar Projects
  • Team: Manuela Ballesteros Pinto, Ronit Sharma, Laila Mariam Imran.

How To Blanket and Running Stitch

Blanket And Running Stitch

by Kyle Kubica and Luke D’Alfonsi


Materials required: 

– Sewing needle 

– Thread 

– Fabric

– Chalk

– Pen

Where to buy materials: 

– Fabric can be found at dedicated sewing and craft stores

– Needles and Thread can be found at sewing and craft stores as well as the dollar store 

How To Running Stitch

Step One:


Begin by threading the needle.


Step Two:



Mark the fabric along where you intend to place your stitch. Chalk is good for this as it can be easily removed from most fabrics.


Step Three:


Mark two lines on the inside of the thumb on your non-dominant hand. This will be the length of your stitch. A little under a centimeter is usually a good length. 


Step Four:


Bring the needle up through the fabric from back to front. Pull the thread through until it reaches the knot. 


Step Five:


Line up the first mark on your thumb with the hole where you initially pulled the thread through. Line up the needle with the second mark and pierce it back through the fabric. 


Step Six:


Pull stitch tight.


Step Seven:


Bring the needle back up through the fabric. Use the thumb guide to keep the space between your stitches equal.


Step Eight:


Repeat this process for the desired length. Tie a knot in the thread to end the stitch.

How To Blanket Stitch


Step One:


Place your needle through the top fabric, don’t pierce the bottom piece.


Step Two:


Now place your needle through the bottom and top pieces.


Step Three:


Pull Needle through the newly created loop, once the needle is through pull to tighten the thread.


Step Four :


Repeat the previous 2 steps while slowly moving down the fabric.


Step Five:


Repeat the first two steps until you reach the end of your fabric.



The following references are two videos teaching viewers how to do the stitches above.

Blanket Stitch How To – Basic Sewing (Embroidery & Hand Sewing). (2016, April 27). [Video]. YouTube.

How to Hand Sew a Running Stitch. (2018, August 28). [Video]. YouTube.

Household Conductive Fabric

Household Conductive Fabric – Kathy Chau and Latiesha Faisal

Objective: We wanted to create some alternatives to create conductive fabric using household items. We wanted to find the quick and easy ways on making conductive fabric without going out and purchasing some. It may be quite expensive and this saves time.
We explored two different methods to connect conductive fabric together.

Method #1: Ironing Method

Materials You Need

  • Iron- On Fusible Interfacing. This is purchased at any craft store or any fabric stores as well.
  • Iron and Ironing Board :You can also purchase this from any craft store or a warehouse as well.
  • Aluminum Foil
  • Scissors: Try using a rotary cutter if you want straight lines. Line this up against a ruler.

Step 1: Cut a piece of aluminum foil at any size that you need. img_3968

Step 2: Crumple the sides up a bit so that you form a flexible material


Step 3: Cut out a piece of fusible interfacing that is the same size as your aluminum foil.


Step 4: Place the interfacing on top of the foil. The foil can be on the matte or the shiny side. The side with the texture is the glue. This faces down.

End Result: img-3961-1

Is it conductive? Yes! It lights up when plugged into alligator clips.


Gluing Method:

Step 1: Grab a piece of any fabric you like: In this case I used felt.

Step 2: Apply glue on the back of the material and stick it onto the aluminum foil you cut out. Make sure to bend it to make it flexible as well.

End Result: img-3960-1

Is it conductive? Yes! It lights up when plugged into alligator clips.


Code I used to test:


Powerpoint Link:


Aluminum Foil Tilt Sensor. How to get what you want. (n.d.). Retrieved March 15, 2022, from

▫Prior, O. (2022 February 17). Making Our Own Digital Switches: Workshop. [Online Lecture.] Retrieved February 20 2022,from

▫ThunderLilyNYC, & Instructables. (2019, November 30). How to make conductive fabric. Instructables. Retrieved March 12, 2022, from

Infrared Signal – Skill Sharing Workshop –

By Hissan, Arteya and Niloofar

Topic: Infrared Signal

What is Infrared Signal?

Infrared Signal (IR for short) are signals sent out by a transmitter and received by an IR detector, which are used by many things such as remotes. The CPX is compatible with IR In and IR Out, as seen in these diagrams.

The Circuit Playground works as a transmitter and a receiver for infrared signals. 


“TX” = output = IR LED = IR OUT 

“RX” = input = IR RECEIVER = IR IN

It’s a great way to wirelessly communicate between people

Ir detectors use a detector that is specifically filtered to only detect infrared signal, and not just any visible light. 

IR detectors have a demodulator inside that looks for modulated IR at 38 KHz. Just shining an IR LED won’t be detected, it has to be PWM blinking at 38 KHz.

Complex Circuitry

Using Ir, you can create complex circuits that run on IR Detection. Since Playground Express Circuits are able to detect IR signal and communicate it to the code, this can be used to create IR Circuits. Examples of this are creating an LED output that waits on a signal to be detected to run the program

Pros and Cons of Infrared Signal


  • No antenna, passwords or pairing needed
  • Good range (approx 10m distance required) 
  • IR TO IR (interference, if any, is minimal)
  • Remote Compatibility, usable with devices that detect IR such as TVs, PCs, Consoles etc. 


  • Cannot detect visible light like a photocell may
  • Can only detect Infrared Signal, not any other signal 
  • Interference may occur with more than 2 IR devices trying to communicate with each other
  • Has to have line of sight

What can Infrared Signal be used for?

  • Remotes
  • Controllers
  • TV/ PC Control
  • Leds/ LED Strips
  • Communication



Basic send & Receive signal






Multiple Inputs


Multiple Outputs


Makecode Full Download Link:

Group Experimentation Link:

APA Works Cited

Rembor, K. (2018). Infrared receive and transmit with Circuit Playground Express. Retrieved March 11, 2022, from

Rembor, Kattni. “Infrared Receive and Transmit with Circuit Playground Express.” Adafruit Learning System, 

“Infrared Transmit and Receive on Circuit Playground Express in C++.” Infrared Transmit and Receive on Circuit Playground Express in C++ | Adafruit Learning System, 

Lollipop dice

Concept: Lollipop dice

Objective (Why are you trying to execute this concept)

We wanted to design an object that would be fun and practical at the same time. The wheelwork is a base for the Adafruit circuit and it has the numbers. While the Adafruit circuit works as a dice when you shake it, it gives you a random number from 0-10 with a tone. This object can be used during a gathering between friends, family, etc…

Process (Including ideation drawings, images of the work in process, and videos of the different steps)

1. Draw a circle on a piece of cardboard.unnamed-6

2. Using a pencil or pen, trace the circle onto a sheet of construction paper.

unnamed3. Cut out five triangles to serve as the spokes of the Wheel.


4. One by one, glue the triangles down. Place the Adafruit Circuit Playground Express as a reference for each triangle to ensure that it lines up with one of the board’s lights. Then we number the wheel from 0 to 10 and attach the stick to the wheel


5. Tape the Adafruit Circuit Playground Express down on the center of the wheel by rolling the tape into a cylinder on the back of the board.


Making the code

The main functions that we are going to use are Input, Light, Music, Variables, Loops and Math. The following image illustrates functions used for then in design.



Most of the struggle was with the annimation .The smallest issue in the code can affect the function of the circuit. For example one of the issue with circuit that it was very slow because I typed items instead of item.Therefore, it made the movment of the photon very slow and less random.In addition ,we learned about the multifunction of the adafruit circuit and it can be used for several functions .

Used materials :

  1. Construction paper
  2. Cardboard
  3. A pencil
  4. Knife
  5. Glue
  6. Adafruit circuit
  7. Lollipop sticks

Refrences :

Making the Lucky Wheel

“Making The Lucky Wheel”. Microsoft Makecode, 2022, Accessed 15 Mar 2022.


“Dice”. Microsoft Makecode, 2022, Accessed 15 Mar 2022.