Fridge Bag is made out of fabric and silicone based on a 3d mold, which is fabricated in a milling machine. The concept of this project is to use LEDs, embedded in the fabric, that light up when somebody opens the bag to find their things. The circuit consists of, 30 LEDs(3mm), 8 resistors, a microcontroller(Attiny 85),a voltage regulator(LM 1117), a mosfet(Tip 102), two magnets and a battery(9V). The microcontroller(Attiny85) is programed by using the Arduino Software in that way so if the magnets are apart (the circuit is open), the LEDs light up.
The LEDs Circuit