arvind-india

dashing-chartjs

An easy interface to use all of chartjs.org's charts.

Inspired by my own pain and suffering of trying to add a simple chart to dashing

Make awesome charts like these:

arvind-india

#IBeacon location research

Links and notes for ibeacon indoor location

##General links

• Bluetooth Indoor Positioning - http://tam.unige.ch/assets/documents/masters/bekkelien/Bekkelien_Master_Thesis.pdf
• Experiment video with comments from J. Krzych from Estimote - http://www.youtube.com/watch?v=dMWEl6GBGqk

##Trilatertion

arvind-india

ESP8266 Web Server to storing ap config to EEPROM.

Original by chriscook8 from esp8266.com I just modified to use ESP8266WebServer library for easy to handle the http request.

This is sample code not yet complete.

Todo

• when Wifi connected need to close the softAP.

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// Code based on
// https://github.com/adafruit/DHT-sensor-library/blob/master/examples/DHTtester/DHTtester.ino
// https://gist.github.com/igrr/7f7e7973366fc01d6393
// https://github.com/iot-playground/Arduino/blob/master/ESP8266ArduinoIDE/DS18B20_temperature_sensor/DS18B20_temperature_sensor.ino

// esp8266 + dht22 + mqtt

#include "DHT.h"
#include <PubSubClient.h>
#include <ESP8266WiFi.h>

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#!/bin/bash
set -eu
 
main() {
  local args=("$@")
  local inFile=$(pwd)/docker-compose.yml
  local outFile=$(pwd)/$1
    
  if [[ $# -lt 2 ]]; then
  	usage

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# Dockerfile for Node-RED - pulls latest master code from git
# Use the node.js v4 LTS engine
FROM node:4-slim
MAINTAINER ceejay

RUN mkdir -p /root/.node-red
WORKDIR /root/.node-red
 
# download latest stable node-red
RUN npm install -g --unsafe-perm node-red

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import csv
import MySQLdb
# open the connection to the MySQL server.
# using MySQLdb
mydb = MySQLdb.connect(host='igor.gold.ac.uk', user='co304so', passwd='*********', db='co304so_LondonCrime')
cursor = mydb.cursor()
csv_data = csv.reader(file('1.csv'))
# execute and insert the csv into the database.
for row in csv_data:
	cursor.execute('INSERT INTO AprilNov2013(Date,Westminster,HACKNEY,Tower_Hamlets)''VALUES(%s, %s, %s, %s)',row)

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# following Python packages needs to be installed 
# xlrd, xlsxrd, unidecode, MySQLdb

import xlrd
import xlsxrd
import MySQLdb as mdb
import re
import unidecode

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#!/usr/bin/env python

# Run with no args for usage instructions
#
# Notes:
#  - will probably insert duplicate records if you load the same file twice
#  - assumes that the number of fields in the header row is the same
#    as the number of columns in the rest of the file and in the database
#  - assumes the column order is the same in the file and in the database
#

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# cleans all images
docker images | awk '{print $3}' | xargs docker rmi 

# cleans all stopped containers
docker rm $(docker ps -q -f status=exited)