temperature-ds18b20.md

Thermometer - DS18B20

Breadboard for "Thermometer - DS18B20"

Fritzing diagram: docs/breadboard/temperature-ds18b20.fzz

 

Run this example from the command line with:

node eg/temperature-ds18b20.js

const { Board, Thermometer } = require("johnny-five");
const board = new Board();

board.on("ready", () => {
  // This requires OneWire support using ConfigurableFirmata
  const thermometer = new Thermometer({
    controller: "DS18B20",
    pin: 2
  });

  thermometer.on("change", () => {
    const {address, celsius, fahrenheit, kelvin} = thermometer;
    console.log(`Thermometer at address: 0x${address.toString(16)}`);
    console.log("  celsius      : ", celsius);
    console.log("  fahrenheit   : ", fahrenheit);
    console.log("  kelvin       : ", kelvin);
    console.log("--------------------------------------");
  });
});

Additional Notes

• DS18B20 - Thermometer Sensor

 

License

Copyright (c) 2012-2014 Rick Waldron waldron.rick@gmail.com Licensed under the MIT license. Copyright (c) 2015-2023 The Johnny-Five Contributors Licensed under the MIT license.