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/*
 Weather Shield Example
 By: Nathan Seidle
 SparkFun Electronics
 Date: November 16th, 2013
 License: This code is public domain but you buy me a beer if you use this and we meet someday (Beerware license).

 Much of this is based on Mike Grusin's USB Weather Board code: https://www.sparkfun.com/products/10586

 This is a more advanced example of how to utilize every aspect of the weather shield. See the basic

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/*
DC Voltmeter 
Based on Arduino DVM based on voltage divider concept
T.K.Hareendran
*/


int voltsInput = 0;
float vout = 0.0;
float vin = 0.0;

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var sqlite3 = require('sqlite3').verbose();
var db = new sqlite3.Database('./db.db');
var fs = require('fs');

var outputFilename = './output.json';

var jsonOutput = db.serialize(function() {
  db.each("SELECT * FROM sqlite_master WHERE type='table'", function(err, table) {
		db.each("SELECT * FROM " + table.tbl_name, function(err, row) {