Spin Box and Dial - Q-FRC/QDash GitHub Wiki

The Spin Box and Dial widgets are used to display and modify number values.

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Robot Code

To display a dial or spin box, send any number value to NetworkTables:

SmartDashboard.putNumber("Heading (deg)", m_odometry.getPoseMeters().getRotation().toDegrees());

Configuration

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Spin boxes and dials contain some common configurations:

  • Title Font Size: The font size of the title text.
  • Font Size: The font size of the spin box.
  • Lower Bound: The minimum displayed value of the spin box/dial.
  • Upper Bound: The maximum displayed value of the spin box/dial.
  • Step Size: How much to step the value by when incrementing/decrementing.
  • Topic: What NetworkTables topic to use.

Some configurations are specific to the dials:

  • Start Angle: What angle the dial should have at its minimum value.
  • End Angle: What angle the dial should have at its maximum value.

0/360 degrees is north, 270/-90 degrees is west, 90 degrees is east, and 180/-180 degrees is south.