Design Goals - lawrencebillson/parkrunStopwatch GitHub Wiki

Essential features

  • Works with damp fingers
  • Generates files directly compatible with WebFMS
  • Works with a browser based solution (e.g. parkrunPortable)
  • Large “Runner crosses the line” button operated by a person’s hand
  • Display showing the place number
  • Accurate to better than 0.1 second in an hour
  • 1000 runners
  • Uses a standard USB connector - ideally the same one used by the stopwatch
  • Predictable battery life

Negotiable features

  • Waterproof
  • “Undo” button - if someone accidentally presses the “Runner crosses the line” button
  • A multi-funnel system - multiple stopwatches can communicate and produce a single stopwatch file controlled by a ‘master’ stopwatch
  • Rechargeable

Luxury features

  • Can use the Windows Parkrun stopwatch download software
  • Download files directly from the stopwatch - don’t even need to use parkrunPortable

Physical

  • Hand-held
  • Buttons, actuated by a person’s finger
  • Trigger for the ‘runner crosses’ button - hold it like a pistol?

Financial

  • Should be competitive with a JUNSD ($25)
  • Target run, should be viable to produce between 10 and 100 units
  • Possible KickStarter campaign