Choosing a LilyPad Arduino for Your Project
Contributors:
Gella
Gella 
LilyPad Arduino SimpleSnap
Features:
- 5 Digital I/O pins
- 4 Analog pins
- ATmega328
- Built-in ON/OFF switch
- Built-in LiPo battery and charging circuit
- Simplified layout with less pins, giving more space for sewing or less complex projects
- Built-in snaps for quick attachment/detachment to multiple projects
Because the battery is soldered to this LilyPad Arduino, it cannot be washed. Unsnap the LilyPad from its base before washing.
The LilyPad Arduino SimpleSnap is similar to the LilyPad Simple Board, except for two major differences: a built-in rechargeable 110mAh LiPo battery and female snap connectors. This board requires connection to a SimpleSnap Protoboard or an arrangement of sew-on fabric snaps so that the board is removable from a project. This gives you the ability to swap out the LilyPad Arduino to reprogram and share in multiple projects.
The LilyPad Arduino Simple Board needs a LilyPad FTDI Basic Breakout and USB Mini-B Cable in order to connect to a computer and upload code.