Step 1: Materials Used:
Neodymium Magnets 1/2 x 1/4 inch Disc N48
Thread (same color as the fabric)
2200mAh Portable Power
Step 2: Setting Up Arduino on Raspberry Pi
Note that you will need a Monitor, a Keyboard, A Mouse to set up your Raspberry Pi and arduino on it.
Step 3: Installing Node.js on Raspberry Pi
Follow the link to install node.js on Raspberry Pi
Step 4: From Text to Sound
Follow the link to install the free tts Library which converts text to speech.
Step 5: Connecting a Chat Server to the Raspberry Pi
We will need spacebrew for that. Spacebrew is a simple way to connect interactive things to one another.
Step 6: Making a Speaker
the next step is make our own speaker using fabric and conductive thread and old earphones.
WHAT IS A SPEAKER?
A speaker makes sound because an electromagnet (the embroidered coil) with a magnet. When the audio is connected to either end of the electromagnet (coil) a fluctuating magnetic field forms around the coil, repelling and attracting the membrane from the magnet. These vibrations happen so fast that we can barely see them, but the membrane moves the air around it, translating electrical frequencies into audible waves that we can hear.
Diagram and explanation : Embroidered Fabric Speaker by Plusea
Step 7: Sewing Process
1)The conductive thread loop should be tight to each other but not touching.
2)Start from the center and expand so you won't be committed to a certain size.
3) We will be using a technique called couching. Couching in its most basic form is among the easier embroidery stitches. Essentially, the couching stitch is just a little straight stitch taken over some other thread (in this case conductive thread) to hold it down.
Step 8: Connect It to a Pair of Old Earphones
Step 9: Amplify It
and you want to amplify the sound even more, buy an amplifier for headphones and connect your speakers to it.