EmonTx and NanodeRF Code guides
These EmonTx and NanodeRF code guides go through the main components required to put a full EmonTx and NanodeRF (or ENC28J60 based OpenKontrolGateway) firmware together.If your just starting out, you...
View ArticleCleanweb UK
Last Thursday Glyn and I attended the Ignite Cleanweb UK event in London, an event exploring the power and potential of the web to help us solve our environmental challenges.The format of the talks...
View ArticleMaking emoncms data portable
One of the features I've wanted in emoncms for some time is the ability to move feed data between different server's with ease.I want to be able to log in the emoncms instance running on my local...
View ArticleData portability challenges
Continuing from yesterday's post on making emoncms data portable.There are some challenges with implementing data portability for energy data. 5s energy feed data can grow to be quite large, I have...
View ArticleData portability: exporting feed data from emoncms
Following on from the previous two posts:Making emoncms data portableData portability challengesHere's my initial solution for feed export code that also allows it's load on the server to be...
View ArticleData portability: Importing feed data into emoncms
The last post detailed an implementation for exporting feed data from emoncms, this post explores an implementation for importing feed data, which can be used in conjunction with the export...
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Data portability: Version 1 complete!
Following on from the last series of posts detailing an implementation for exporting and importing data into emoncms to make it possible to move feed data between emoncms instances with ease, these...
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Logo Ideas
Recently our friend and freelance artist/graphic designer Gwil Noble has knocked up a few logo possibilities for OpenEnergyMonitor. Gwil has also made some gorgeous little context icons we will be...
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Display live emoncms energy data on your desktop
Alexander Price @saelaenx has documented a neat setup where he uses Geektool on his Mac to pull his live energy data and current temperatures from emoncms. The data it's self comes from an emonTx,...
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Introducing the emonTx Shield
The OpenEnergyMonitor project started in 2009 playing about with an Arduino Duemilanove. Since then the project has very much built on the Arduino platform, both hardware and software. We love Arduino,...
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Emoncms development update: Modules
I've been a little quiet over the last few weeks, emoncms blogposts and progress updates have been far and few between but that does not mean there has been no development progress happening, to the...
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Pre-assembled Nanode RF
We're happy to announce that we are now selling Nanode RF web-connected emonBase gateways pre-assembled. This makes it even easier and quicker to get started with energy monitoring:...
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Ciseco Visit
Earlier this week I visited Miles Hodkinson who runs Ciseco.Ciseco supply us with the Open Kontrol Gateway web-connected base station, however Ciseco are best known for their range of wireless modules...
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Updated installation and upgrade guides for latest emoncms release
Following on from my previous post on the new modular version of emoncms: http://openenergymonitor.blogspot.co.uk/2012/10/emoncms-development-update-modules.htmlHere are the updated installation and...
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Raspberry Pi emonBase
The Raspberry Pi needs no introduction, it's a great piece of hardware. A low power, low cost Linux credit-card sized computer made in the UK. As soon as we heard of the Raspberry Pi we knew it would...
View ArticleQueuing packets on the basestation and bulk sending to emoncms
As we connect more and more wireless nodes to a basestation, with each wireless node transmitting every 10s or so we quickly start to have a situation where the basestation is trying to make several...
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Solar PV excess power into immersion water heater using emonTx, emonGLCD &...
From the forums: Solar PV excess power into immersion water heater using emonTx, emonGLCD & MKII triac codejrobbie (on the forums) writes:As there appears to be a considerable amount of interest in...
View ArticleOpenEnergyMonitor meetup
Were having an openenergymonitor meetup, hack weekend the weekend after next (8th-9th of December) up here at the openenergymonitor lab in Snowdonia, North Wales. This is an open invitation, if you...
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OpenEnergyMonitor Shop Christmas Ordering
Looking up at Snowon 1085m from Llyn Glasyn yesterday (20 min north of OEM labs), North Wales UKThe first snow of the year has fallen onto the Welsh mountains and the emoncms Bee Hive Temperature...
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Multiple multigraphs
A long asked for feature for emoncms has been the ability to create multiple multigraph type visualisations. One might be a comparison of room temperatures another for hot water system temperatures,...
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