Wave generator.

Turn On/Off with the letf button.

Wave types:
- Sine
- Saw
- Triangle
- Square
- Random
- Wav


Property: (default value)

Main:
- Wave type: (Sine)
   Set output wave type.

- Frequency:  (1 kHz)
   Set output frequency.

- Phase shift: (0 º)
   Phase shift relative to wave start.

- Quality: (100)
   Number of steps per cycle.

- Duty: (50 %)
   Duty cicle.
   Not available for all types.

- Always On: (yes)
   Removes the button and keeps always active.


Electric:
- Bipolar: (false)
   If true, use 2 output pins.

- Floating: (false)
   If true, output voltages are not refered to ground.
   Only visible is Bipolar is true.

- Middle Voltage:  (0 V)
   Central voltage of the wave.

- Semi amplitude: (2.5 V)
   Half wave amplitude. 
