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Step 3Sewing inputs and Vcc
Vcc:
Thread a needle with enough conductive thread. Take one of the pieces of neoprene, this is going to be the Vcc, the power supply for the sensor where the 5V from the Arduino will run to. Tie a knot in the end of the thread; do not take the thread double. From the back (in my case black side) poke the needle through the neoprene at one of the end dots of the toe strip marked from the stencil. Stitch back and forth in a diagonal zigzag manor until you reach the other end of the strip. From here go bring the conductive thread back to the back side of the neoprene and make small stitches on the back towards the tongue. When you reach the tongue you can stop sewing and without cutting the thread remove the needle and continue with the following.
Inputs: Toes and Heel
Take the other piece of neoprene. Essentially you will do the same here with one exception: You will sew the zigzag pattern opposite to the way you sewed the Vcc strips! This way, when you lay the pieces of neoprene on top of each other, conductive thread zigzags facing inwards, they will crisscross each other and make for a good connection. Take a good look at the pictures.
Test
Before going onto the next step, now would be a good time to check your connections using a multimeter. Measuring from the loose ends of conductive thread, check for a connection between any of the three ends. There should be NO connections. If there are, then you probably accidentally crossed conductive threads somewhere along the way. You can quite easily pull out the conductive thread and start over again.
Thread a needle with enough conductive thread. Take one of the pieces of neoprene, this is going to be the Vcc, the power supply for the sensor where the 5V from the Arduino will run to. Tie a knot in the end of the thread; do not take the thread double. From the back (in my case black side) poke the needle through the neoprene at one of the end dots of the toe strip marked from the stencil. Stitch back and forth in a diagonal zigzag manor until you reach the other end of the strip. From here go bring the conductive thread back to the back side of the neoprene and make small stitches on the back towards the tongue. When you reach the tongue you can stop sewing and without cutting the thread remove the needle and continue with the following.
Inputs: Toes and Heel
Take the other piece of neoprene. Essentially you will do the same here with one exception: You will sew the zigzag pattern opposite to the way you sewed the Vcc strips! This way, when you lay the pieces of neoprene on top of each other, conductive thread zigzags facing inwards, they will crisscross each other and make for a good connection. Take a good look at the pictures.
Test
Before going onto the next step, now would be a good time to check your connections using a multimeter. Measuring from the loose ends of conductive thread, check for a connection between any of the three ends. There should be NO connections. If there are, then you probably accidentally crossed conductive threads somewhere along the way. You can quite easily pull out the conductive thread and start over again.
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