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Step 4Soft Battery Pack
My Keyboard came with 4 AA batteries. You do not need the exact amount (or type) of batteries that come with your toy. I decided 2 AA's was enough (however, AAA would be much smaller) which works just fine. Your toy may require batteries more frequently though.
Snip the wires from your circuit board to your batteries. Make sure they're long enough. If they are not or the wires are flimsy, replace with sturdier wires.
I used some neoprene which is cozy and stretches without fraying. But you could use other fabric if you like. I laid the two batteries on the fabric and cut a piece that could fold around and over.
On the bottom of the battery pack (before you sew - where the bottom of the batteries will sit) place a piece of conductive fabric and iron on with the double sided interfacing. Just a little square so the bottom of the batteries touch it.
On the top flap sew some large wads with conductive thread to touch the top of your batteries. I also included some conductive fabric squares but you don't need both. Make sure the thread goes all the way through and sew your wires onto the top flap. Just bend the wire into a loop before sewing and wrap thread around and sew onto the neoprene.
Secure the connection to the wires with some hot glue. Then sew a piece of velcro to the flap so it stays securely closed. Make sure that the conductive thread touches the tops of the batteries tightly.
Snip the wires from your circuit board to your batteries. Make sure they're long enough. If they are not or the wires are flimsy, replace with sturdier wires.
I used some neoprene which is cozy and stretches without fraying. But you could use other fabric if you like. I laid the two batteries on the fabric and cut a piece that could fold around and over.
On the bottom of the battery pack (before you sew - where the bottom of the batteries will sit) place a piece of conductive fabric and iron on with the double sided interfacing. Just a little square so the bottom of the batteries touch it.
On the top flap sew some large wads with conductive thread to touch the top of your batteries. I also included some conductive fabric squares but you don't need both. Make sure the thread goes all the way through and sew your wires onto the top flap. Just bend the wire into a loop before sewing and wrap thread around and sew onto the neoprene.
Secure the connection to the wires with some hot glue. Then sew a piece of velcro to the flap so it stays securely closed. Make sure that the conductive thread touches the tops of the batteries tightly.
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