Development

Timer Max Time

• preset 5 / 10 / 15 / 20 / 30 / 60 / 120 / 180 / 240 / 300 min

Scale, Index

Max	Big Div	Small Div	Index
5	5	6	(0,1,2,3,4)
10	10	6	(0,1,2, ... ,9)
15	3	5	(0,5,10)
20	4	5	(0,5,10,15)
30	6	5	(0,5,10,15,20,25)
60	12	5	(0,5,10, ... ,55)
120	12	10	(0,10,20, ... ,110)
180	12	5	(0,15,30, ... ,165)
240	8	6	(0,30,60, ... ,210)
300	10	10	(0,30,60, ... ,270)

Operating time

• Start time
• Duration
• End time

Repeating mode

• one time
• restart on end of timer (spare time yes/no)
• every hour on the hour (only 60 <= max time)

Display mode

• max time < one hour
  • only shrink in CCW
• one hour <= max time
  • one time, restart: CCW
  • on the hour: CW
    • big scale similar to clock (option?)

Timer states

• Running
• Stopped
• Paused

Graphic elements

• Dial
  • Index
  • Scale (Large/Small)
• Center Knob
  • Minutes remaining text
• Pie Indicator (red/green)
• Pie Graph (red/green)
  • Pie Grip
• Start / Stop Button
• Pause Button

Sound

• grip moving
• pie moving
• alarm (end, restart)
• button pushing
• focusing (hover)