Interactive variable resistor.

Use the dial to adjust resistance.

Property: (default value)

Main:
- Minimum Resistance: (0 Ω)
   Resistance with dial at the left end.

- Maximum Resistance: (1 kΩ)
   Resistance with dial at the right end.

- Current Value: (0 Ω)
   Value determined by dial position.

- Dial Step: (0 Ω)
   Minimum step when rotating the dial.
   0 to use default.

#include dialed
