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Home Camp 4, C4CC London



29/10/2011                 Glyn Hudson and Trystan Lea
“A project to develop and build open-source energy
monitoring, control and analysis tools for energy efficiency
and distributed renewable microgeneration”
http://openenergymonitor.org/emon/emontx
DS18B20 one-wire
Optional AC voltage       temperature bus    IRQ pulse counting
(for real power
measurement)
                                                                  Status LED
                                                                  (upside down!)



JeePorts for
compatibility with
JeeLab shields                                                        3 x CT channels

                                                                      3.5mm jack for
Atmega 328 @ 3.3V                                                     Seedstudio CT's
(Arduino bootloader)                                                  100A max


    AA battery input
    (3.3V max)




                                    5V USB      RFM12B
                 5V FTDI            power       Wireless
                 Arduino IDE
                 compatible
                                openenergymonitor.org/emon/emontx
                                github.com/openenergymonitor/emontxfirmware
RTC plug
                        16Ch PWM LED plug




                                                                 Barometric pressure plug
 Motor plug

                                     Infra red plug




                                                                 MOSFET plug
Light intensity plug         512Kb memory plug




                                                         OOK plug
                       Relay plug
http://openenergymonitor.org/emon/emontx




Applications
●   Electricity consumption monitoring
●   Renewable generation monitoring
●   Heat-pump monitoring
●Water, gas and flow monitoring (from pulse
output meter)
●   Temperature monitoring
●   Multi node distributed monitoring network
●web-connected base-station
●receives monitoring data from the emonTx

●posts to a remote or local server for web-based logging and visualisation

●emoncms or a service like Pachube.



                                          openenergymonitor.org/emon/emonbase
                                          github.com/openenergymonitor/NanodeRF
emonGLCD               emonGCLD demo – point your web-connected:device to
wireless open-source   http://dev.openenergymonitor.org click on emonGLCD demo
graphical LCD unit




Applications

●Energy monitoring data
●Pachube feeds
                                                               The perfect complement to
●Simple graphics – graphs, lines, shapes etc.
                                                               Nanode-RF
●Grid demand / renewable energy mix

●Temperature data – onboard and remote

●Twitter feeds, weather, email alerts, RSS

etc.
                                                      openenergymonitor.org/emon/emonglcd
                                                      github.com/openenergymonitor/emonglcd
emonGLCD
wireless open-source
graphical LCD unit




                                                Temperature sensor    tri-colour ambient
                                                                     indicator LED's
            Atmega328            Light sensor
            Arduino bootloader




                                                                                           Mode change /
          FTDI programmer                                                                  general function
                                                                                           push-button


                       5v USB
                       power




JeeLabs 512Kb memory
expansion plug                                                                         Hope RF
                                   3.3V 128x64 px GLCD                                 RFM12B RF
                                                                                       wireless
                                                                JeePort -              transceiver
                                                                Expansion
Home energy dashboards, heatpumps, solar hot water
An open-source web app for processing, logging
   and visualising energy, temperature and other
   environmental data.


   ●Open-source, downloadable and installable on
   your own server.
   ●Specifically designed with processing and
   visualising energy data in mind.
   ●   Written in php, mysql, javascript, jquery
   ●   Follows MVC architecture




openenergymonitor.org/emon/emoncms
github.com/openenergymonitor/emoncms2
Input processing
        Inputs                     Feeds

         Power                     Power


                        power
                                   kWh/d
                      to kWh/d


                   Scale, offset
    Temperature                    Temperature
                    x 1.1 + 0.2


        Voltage
                     x input       Power
        Current
EcoBro community energy project


Inspiration

  Saul Griffiths - Wattzon
  Poptech 2008




Saul Griffiths, and David MacKay on sustainable energy plans that add up

The question
Can we make community scale sustainable energy plans?

What we did
1.) Understand energy use of a group of people interested in sustainability
In the Snowdonia North Wales area.

Next: 2.) Use this as the foundation for building a sustainable energy plan...
The results


                          The group gets 24% of its transport, heating
                          And electric energy from renewable sources




        Group breakdown                        National breakdown
Energy use per person breakdown




A   B    C     D    E    F    G   H   I   J   K   L   M   N   O   P
Electricity consumption breakdown




A    B     C    D     E     F       G   H   I   J   K   L   M   N   O
Thank you for listening.

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OpenEnergyMonitor Home Camp 4, London Oct2011

  • 1. Home Camp 4, C4CC London 29/10/2011 Glyn Hudson and Trystan Lea
  • 2. “A project to develop and build open-source energy monitoring, control and analysis tools for energy efficiency and distributed renewable microgeneration”
  • 3.
  • 4.
  • 5.
  • 7. DS18B20 one-wire Optional AC voltage temperature bus IRQ pulse counting (for real power measurement) Status LED (upside down!) JeePorts for compatibility with JeeLab shields 3 x CT channels 3.5mm jack for Atmega 328 @ 3.3V Seedstudio CT's (Arduino bootloader) 100A max AA battery input (3.3V max) 5V USB RFM12B 5V FTDI power Wireless Arduino IDE compatible openenergymonitor.org/emon/emontx github.com/openenergymonitor/emontxfirmware
  • 8. RTC plug 16Ch PWM LED plug Barometric pressure plug Motor plug Infra red plug MOSFET plug Light intensity plug 512Kb memory plug OOK plug Relay plug
  • 9. http://openenergymonitor.org/emon/emontx Applications ● Electricity consumption monitoring ● Renewable generation monitoring ● Heat-pump monitoring ●Water, gas and flow monitoring (from pulse output meter) ● Temperature monitoring ● Multi node distributed monitoring network
  • 10.
  • 11. ●web-connected base-station ●receives monitoring data from the emonTx ●posts to a remote or local server for web-based logging and visualisation ●emoncms or a service like Pachube. openenergymonitor.org/emon/emonbase github.com/openenergymonitor/NanodeRF
  • 12. emonGLCD emonGCLD demo – point your web-connected:device to wireless open-source http://dev.openenergymonitor.org click on emonGLCD demo graphical LCD unit Applications ●Energy monitoring data ●Pachube feeds The perfect complement to ●Simple graphics – graphs, lines, shapes etc. Nanode-RF ●Grid demand / renewable energy mix ●Temperature data – onboard and remote ●Twitter feeds, weather, email alerts, RSS etc. openenergymonitor.org/emon/emonglcd github.com/openenergymonitor/emonglcd
  • 13. emonGLCD wireless open-source graphical LCD unit Temperature sensor tri-colour ambient indicator LED's Atmega328 Light sensor Arduino bootloader Mode change / FTDI programmer general function push-button 5v USB power JeeLabs 512Kb memory expansion plug Hope RF 3.3V 128x64 px GLCD RFM12B RF wireless JeePort - transceiver Expansion
  • 14.
  • 15.
  • 16. Home energy dashboards, heatpumps, solar hot water
  • 17. An open-source web app for processing, logging and visualising energy, temperature and other environmental data. ●Open-source, downloadable and installable on your own server. ●Specifically designed with processing and visualising energy data in mind. ● Written in php, mysql, javascript, jquery ● Follows MVC architecture openenergymonitor.org/emon/emoncms github.com/openenergymonitor/emoncms2
  • 18. Input processing Inputs Feeds Power Power power kWh/d to kWh/d Scale, offset Temperature Temperature x 1.1 + 0.2 Voltage x input Power Current
  • 19.
  • 20. EcoBro community energy project Inspiration Saul Griffiths - Wattzon Poptech 2008 Saul Griffiths, and David MacKay on sustainable energy plans that add up The question Can we make community scale sustainable energy plans? What we did 1.) Understand energy use of a group of people interested in sustainability In the Snowdonia North Wales area. Next: 2.) Use this as the foundation for building a sustainable energy plan...
  • 21. The results The group gets 24% of its transport, heating And electric energy from renewable sources Group breakdown National breakdown
  • 22. Energy use per person breakdown A B C D E F G H I J K L M N O P
  • 23. Electricity consumption breakdown A B C D E F G H I J K L M N O
  • 24. Thank you for listening.