- scissor, needle and thread, fabric, button
- Seeeduino Lotus, Grove PIR sensor, Grove LED String Light and a portable power
2. design the bag and made it.
3. build the prototype
4. Program the boards.
The code is from mag's recipe: http://www.seeedstudio.com/recipe/1087-wearable-fo...
5. Fix the LED string to the bag.
Now you have already finished.