Edit the module

This page allows you to edit the existing module (Grove Rotary Angle Sensor).

Basic Information

Provide basic information of the module.

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Grove Rotary Angle Sensor
'16/6/28 19:33
Grove rotary angle sensor (knob) on analog port

Layout information

Provide the source code of the module layout in JavaScript.

function GroveRotaryAngleSensor() { this._name = function () { return 'RotaryAngleSensor'; }; this._bounds = function () { return { x: -15, y: -15, width: 30, height: 30 }; }; this._print = function (g, options) { g.drawCircle(10, 0, 1); g.drawCircle(-10, 0, 1); if (!options.print) { g.drawRectangle(-10, -10, 20, 20); g.drawCircle(10, 0, 2); g.drawCircle(-10, 0, 2); g.drawText(this._name(), -10, 10); } }; }
How to write code
  • First, define a function that represents this module.
  • Define methods _name, _bounds, _print within the class, where ...
  • _name method returns the name of the module for display.
  • _bounds method returns the bounding box of the module as a Rectangle instance.
  • _print method takes graphics context Graphics and printing options PrintOptions as its arguments.
More details can be found at the howto page.