iPhone 7 Games


  • The bike dynamo is used to produce electricity to charge cell phone
  • It can also be used to charge an ipod
  • It is very easy to use when charging the phone
  • The bike dynamo is very common and is easier to build than than any other generator


  • your cell phone can not be charged when you are not riding anywhere
  • your cell phone can become loose when riding the bike

Items needed

  • Bike dynamo (AC)
  • 5volt regulator
  • capacitors
  • diode(to change AC to DC)