Light Up Pennant with E-Textiles
maya., 
Gella 
Step 1: Design Time
Time to get creative and decide what image you'd like to light up. Take time to sketch out ideas or collect pieces of felt, fabric, or other crafts to help you devise an interesting design. There are lots of photos online of retro pennants for sports teams to help inspire you if you are looking for a vintage style.
Planning Tips:
Decide if you want to see the components and stitching - strategic use of lettering or shapes can cover up the LilyPad pieces and let only the light from the LED shine through.
Leave enough room to sew - plan your design with enough space to attach components without crowding them too close together and risking conductive thread short circuits.
Lay out the pieces of your project first before attaching anything to the felt - this allows you to move things around and redesign as needed.
Leave easy access to the battery and/or power switch. For projects using a LilyPad Coin Cell Battery Holder - Switched, you'll need to leave some room on the side to slide the battery in/out when replacing. For LilyPad Arduino Simple projects, the battery can stay attached, but make sure to leave space to plug in the FTDI to recharge and access to the slide switch on the LilyPad for powering on/off.
Protosnap LilyTwinkle Example
Maya chose to make a pennant with the University of Colorado Buffaloes logo sparkle using the ProtoSnap LilyTwinkle. Here's the layout she used to plan around the buffalo's outline. She also decided to put the battery holder on the back of the pennant, making sure there was enough space to sew without hitting the LilyTwinkle or LEDs on the reverse side.
LilyTiny Example
Angela decided to use the LilyTiny's breathing fade mode programmed on petal 0 to light up a robot's eyes. She planned her circuit with two LEDs attached to one petal to make them light up at the same time. She also planned the battery holder to be attached to the reverse side of the felt.
LilyPad Arduino Example
For her mountain scene pennant, Maya planned the LEDs to light up the peaks and the LilyPad Arduino to be on the reverse side of the felt, again for easy access. She designed as much of the stitching as possible to be hidden by the felt mountain cut outs she created.
