grove-rotary-potentiometer.md

Grove - Rotary Potentiometer

Run this example from the command line with:

node eg/grove-rotary-potentiometer.js

var five = require("johnny-five");
var board = new five.Board();

board.on("ready", function() {

  // Plug the Rotary Angle sensor module
  // into the Grove Shield's A0 jack
  var rotary = new five.Sensor("A0");

  // Plug the LED module into the
  // Grove Shield's D6 jack. See
  // grove-led for more information.
  var led = new five.Led(6);

  // Set scaling of the Rotary angle
  // sensor's output to 0-255 (8-bit)
  // range. Set the LED's brightness
  // based on the value of the sensor.
  rotary.scale(0, 255).on("change", function() {
    led.brightness(this.value);
  });
});

Illustrations / Photos

Grove Shield

Grove LED

Grove Rotary

Additional Notes

For this program, you'll need:

 

License

Copyright (c) 2012-2014 Rick Waldron [email protected] Licensed under the MIT license. Copyright (c) 2015-2023 The Johnny-Five Contributors Licensed under the MIT license.