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  • Open Logger Project : HomePage
    Planned projects Open RFID Scanner Open Wildlife Camera Trap Open Thermal Regulator Introductory Guides Required Tools How To Solder How to Make Printed Circuit Boards Available Sensors Components Encyclopedia Arduino and Freeduino C Programming Language Directories User Directory Groups Using a Project From Openlogger org Created by System Administrator Last Modification Sunday 03 of January 2010 00 23 09 UTC by System Administrator Similar Sidebar Menu Home Search Wiki Wiki

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php (2016-04-24)
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  • Open Logger Project : HomePage
    source research equipment Please read the Mission Statement for more details of this project You must be logged in to view some of this sites content Current projects in development Open Frog Logger Open Data Logger Planned projects Open RFID Scanner Open Wildlife Camera Trap Open Thermal Regulator Introductory Guides Required Tools How To Solder How to Make Printed Circuit Boards Available Sensors Components Encyclopedia Arduino and Freeduino C Programming

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-print.php?page=HomePage (2016-04-24)
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  • Open Logger Project : Mission Statement
    it outside of the financial means of many Most projects benefit from more loggers so as to increase the capture rate of data Lower cost of equipment can allow a researcher to make several units when they may only be able to afford a single commercial version of the same Create a community to assist others with the construction and use of technical equipment Often the complexity and skills needed to construct electronics prevents researchers from creating their own equipment A community of support can lend support to help these people and provide more confidence in beginning the daunting task of constructing electronics and writing computer programs Maintain all projects as open source developments This is to ensure that the designs and programming are free for anyone to use and improve upon Some general principles for the development of open source hardware Partially derived from David Mellis part of the team that created the Arduino Use common components Use standard layouts and connectors Provide clear instructions Distribute widely especially internationally Grow a community Meet a real need Created by kelly Last Modification Saturday 27 of June 2009 14 58 32 UTC by System Administrator Similar Sidebar Menu Home Search Wiki

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Mission+Statement&bl=y (2016-04-24)
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  • Open Logger Project : Open Frog Logger
    a microprocessor and easily obtainable parts at a cost much less than other commercial systems The digital system presented can also record environmental variables temperature humidity pressure etc along with the audio recordings Description At the heart of the logger is an ATmega168 microcontroller a miniature computer that can process data from sensors and control other electrical devices This microcontroller was chosen because it is low cost easily available throughout the world and can run the Arduino bootloader roughly equivalent to an operating system for a microcontroller allowing the device to be programed using an USB connection without the need for a special programming device Arduino is an open source platform that already has a well developed user base and can implement programs written in the C computer language As the clock that is built into the microcontroller is not designed to keep track of time for an extended period or in a format easily read by humans an external clock capable of communicating with the microcontroller is needed This is accomplished using a DS1307 real time clock IC and watch crystal which can keep time with an accuracy to a few seconds over many months A backup battery is used so that the time is kept when the primary battery is disconnected The time and date are recorded on the audio file using a series of short and long pulses each at different frequencies corresponding to units of ones or fives or twos and tens for minutes A short high frequency pulse is used to mark the start and end of the time stamp This allows the time to be easily read by directly listening to the audio or visualizing the audio track on a computer This method is not as easy as using a talking clock but is more reliable and does not require the purchase of any additional parts The microcontroller can also be used to read environmental sensors and record the data to a SD memory card or the the audio track One thermistor used to measure air temperature is placed on the board itself and ports for up to six additional sensors are available The air temperature is recorded as pulse codes on the audio track along with the time Optionally time date and environmental data can be recorded to a text file on an SD memory card not yet implemented This would be the preferred method if multiple sensors are to be used Two adjustable power supplies are used to convert 6V to 40V from the battery to the lower voltages required by the microcontroller and audio recorder The minimum battery voltage must be greater than the voltage required for the main board and audio recorder unless the audio is powered by a separate supply with larger voltages heat sinks may be needed for the voltage regulators The power supply of the recorder can be turned on and off by the microcontroller so that a cassette recorder can be used as in the design

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Open+Frog+Logger&bl=y (2016-04-24)
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  • Open Logger Project : Open Data Logger
    cost Arduino Subroutines The hardware portion of this work is licensed under a Creative Commons Attribution Noncommercial Share Alike 3 0 License The software portion of this work is licensed under a GNU General Public License V3 Created by kelly Last Modification Monday 28 of December 2009 20 48 07 UTC by System Administrator Similar Sidebar Menu Home Search Wiki Wiki Home Last Changes List pages Orphan pages Structures Articles

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Open+Data+Logger&bl=y (2016-04-24)
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  • Open Logger Project : Open RFID Scanner
    eeprom Accurately record the time Be designed for durability to survive harsh environments for extended time periods Minimize per unit cost The hardware portion of this work is licensed under a Creative Commons Attribution Noncommercial Share Alike 3 0 License The software portion of this work is licensed under a GNU General Public License V3 Created by kelly Last Modification Thursday 12 of April 2012 17 26 08 UTC by

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Open+RFID+Scanner&bl=y (2016-04-24)
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  • Open Logger Project : Open Wildlife Camera Trap
    software portion of this work is licensed under a GNU General Public License V3 Created by System Administrator Last Modification Saturday 26 of December 2009 16 04 47 UTC by System Administrator Similar Sidebar Menu Home Search Wiki Wiki Home Last Changes List pages Orphan pages Structures Articles Articles home List articles Forums List forums Directory Browse directory File Galleries List galleries Sidebar Login Login as User Password Remember me

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Open+Wildlife+Camera+Trap&bl=y (2016-04-24)
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  • Open Logger Project : Open Thermal Regulator
    Creative Commons Attribution Noncommercial Share Alike 3 0 License The software portion of this work is licensed under a GNU General Public License V3 Created by System Administrator Last Modification Tuesday 29 of December 2009 21 39 44 UTC by System Administrator Similar Sidebar Menu Home Search Wiki Wiki Home Last Changes List pages Orphan pages Structures Articles Articles home List articles Forums List forums Directory Browse directory File Galleries

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Open+Thermal+Regulator&bl=y (2016-04-24)
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