OpenEnergyMonitor

How to use the Nuelectronics ethernet shield + a simple client library and pachube example

Description

Arduino Ethernet Shield + perl + mysql + Flot based graphing

Description

An online logging and graphing platform using: Mysql + php + Adobe Flex

a project in development by Louis Beetge

Google appspot + vis Blog post and external links

Using KST for graphing

Kst does a really great job of graphing long term data. Its also really easy to simultaneously graph many different values. Available for Linux, Mac and Windows.

OpenEnergyMonitor Java based software

A couple of java programs, one reads in data from the arduino and prints it to serial, useful for logging to a file and live graphing in kst. There is also a Voltage and Current waveform sampling program that makes it easy to see the shape of the mains AC waveform. Effectively gives you and oscilloscope.

How to add a Display

details how to add a display that has a 4 7-segment digits a mode changer to make it possible to cycle through the various values to be displayed and a frequency indicator that shows when the grid is under or above 50Hz.

How to add a Nokia 3310 LCD display from nuelectronics

This is a really cool shield, plug and play nokia 3310 LCD :)

How to add USB pen data logging

Using the VDIP1 USB server board

Xbee wireless

How to setup a wireless link between two arduino's, may be useful if your sensors are far away from an ethernet connection or computer.