My digital camera

Materials
1. Plastic
  1. - case
  2. - other elements (e.g. battery case, focusing mechanism)
2. Glass
  1. - lenses
  2. - mirror
  3. - flash
  4. - viewfinder
3. Rubber
  1. - design element
4. Metal
  1. - screws
  2. - circuit board / circuits
  3. - strap holder
  4. - USB connector
  5. - SD card slot
5. Other (mixed)
  1. - batteries and flash capacitor
  2. - LED light bulb
  3. - microchip
Energy
1. Using 4 AA batteries
  1. Batteries need to be produced
    1. More energy needed to produce more disposable batteries
      1. Only use rechargable batteries
  2. Energy (and use of charger) needed to recharge rechargable batteries
  3. Find alternative solution (e.g. solar powered)
Buildability
1. Very compact
  1. Makes it easy to hold/use
2. Difficult (or impossible) to replace parts and access components
  1. Should be built of fewer/more accessible/interchangeable parts
Toxicity
1. Cadmium in NiCd batteries
  1. Properly recycle NiCd batteries, so cadmium can't escpape
2. Non-biodegradable plastics
  1. Use bioplastics, biodegradable plastics or recycled plastics instead
3. Compounds found in circuit board
  1. Find non-toxic alternatives
  2. Make circuit boards reparable

Resource summary

	Created by Tunde Kiss over 7 years ago