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Bitcoin-price-ticker-with-Arduino

Este script nos permite ver en la pantalla LCD, el valor en Dolares o Euros de un Bitcon en tiempo real.

Descripción:

Los datos son importados desde firebase, puedes ver los datos cambiando en tiempo real.

Más info...

La elección de la moneda se hace a través de la variable currency

var currency = "dollar"; // "dollar" or "euro"
  • Dolares

dollars

  • Euros

euros

Los Euros se calculan partiendo de los dolares, en primer lugar se multiplican por el valor de conversión definido en euroRate, posteriormente se redondea a dos decimales.

var euroRate = 0.89;

Nota: es necesario actualizar este valor, si hay un cambio significativo.

Hardware necesario:

  • Placa Arduino UNO o similar [x1]
  • LCD 20x4 I2C [x1]

Nota: el código puede adaptarse a una pantalla LCD sin I2C o con menos lineas, más info en Johnny-five API

Extra:

  • Modo Debug. Imprime información por consola. Solo es necesario actualizar el valor de la varaible debugMode a true
var debugMode = true;

Instalación:

Es necesario contar con Nodejs y Npm en tu sistema.

Para este script es necesario instalar Johnny-Five:

sudo npm install -g johnny-five

y Firebase:

sudo npm install -g firebase

Ejecutar el Script:

Desde la carpeta donde esta bitcoins.js

node bitcoins

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