Quantity   Component name
1 × 3.5’’ Hard Discs Drive with large capacity SSDs will not work ;)
1 × Cree XLamp CXA1304 9V High Power LED This is the magic
1 × Tensai TR-9.6V (9V-Block) 270 mAh Ni-Mh Rechargeable battery The only battery I found yet that fits to the LED
1 × 9V battery clip with about 15 cm wires Do not buy the cheapest one.
1 × Arctic Alumina Thermal Adhesive The minimum quantity I could find is with 5g.
1 × Thick heat shrink tube with a diameter of about 3 cm
1 × LED optic like an old skate bearing or 3M bumpon
1 × Battery Charger for Ni-Mh
1 × Clear Neutral-Cure Silicone
1 × 9V >300 mA DC mains adapter with switch For the constructing of the mass lighter
1 × Space blanket
1 × PWM LED Driver Dimming of the Light and Light Communication
1 × Photodiode for measuring the PWM Light
1 × Femtoduino with Display
1 × PIC12F675 Microprocessors, Microcontrollers, DSPs / Microcontrollers (MCUs)