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  • Open Logger Project
    Frog Logger project 215 81 KB Thu 25 of June 2009 2 0 Data Logger Files associated with the Open Data Logger project 0 B Tue 16 of Feb 2010 0 0 Page 1 1 1 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

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-list_file_gallery.php (2016-04-24)
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  • Open Logger Project
    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 Login I forgot my password Standard Secure Support this Site Please help support this site Contribute your time and knowledge to develop new projects and improve existing ones You can also make donations below

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-login_scr.php (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%20Statement (2016-04-24)
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  • Open Logger Project : Development and Reform Commission on domestic refi
    a barrel and 115 deadline of May 9 domestic oil prices linked to the international market mont blanc outlet three crude oil for 22 days moving average price fell by 4 percent compared to March 20 mont blanc watches reaching the boundary conditions of the domestic oil price adjustments Based on existing domestic refined oil price formation mechanism the state decided in a timely manner to cut domestic gasoline and diesel prices b Q The media reported that domestic oil prices rose more or less A This question should be fully and objectively analyze formation mechanism in accordance with the existing domestic refined oil prices domestic prices of refined oil to the implementation of international crude oil prices controlled indirectly standards that domestic gasoline and diesel price changes with the international market of crude oil price changes in general should be the same Fluctuating oil prices intensified the international market since 2009 although there are up and down but overall shock rising WTI and Brent crude oil futures prices rose from about 35 a barrel in early 2009 and 40 respectively 100 and about 110 the rate of increase of about 180 Under the domestic refined oil price mechanism the trend of the domestic refined oil prices are also rising In this sense domestic oil prices must be Such as the two most recent oil price adjustment the international market the domestic refined oil prices in March 20 to adjust the reference three crude oil prices rose more than 10 the domestic refined oil price mechanism should be raised by 700 yuan actually only raised 600 International oil prices after the shock down only 4 percent of the decline as of May 9 according to the price mechanism gasoline and diesel prices per ton down 330 yuan and 310 yuan

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Development%20and%20Reform%20Commission%20on%20domestic%20refi (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%20Frog%20Logger (2016-04-24)
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  • Open Logger Project : Interfacing to Minidisc Recorders
    recording usually the record slide switch and the metal contact stop switch gently cut and remove the plastic film and metal disc over the proper button contacts button contact fully exposed Now solder small wires must fit in case when cover is replaced to the switch contacts Be sure to label the wires and if possible polarity If metal contact switches are used the small metal disc may need to be removed and the wires soldered directly to the contacts This will render the button on the case useless but can still be used by connecting the two wire leads together small amount of solder placed on both contacts of the stop button and record switch white wire is soldered to the common contact ground and red wires soldered to the stop and record contacts excess leads provide more space to work with Drill a small hole in the front case that the four wires can pass through pull the wires through and close the case Test the ability to record by first crossing the the record wires the minidisc should begin recording Now cross the stop wires the minidisc should stop recording hole drilled in case for wires to pass through wires placed through hole If everything is functioning correctly you can now re assemble the case and trim the excess wires control board screwed back in place placement of hole and wires and control board Solder a three or four pin female pin header to the wires and secure to the case using epoxy Doing this reduces strain on the wire and provides a useful port for connecting the minidisc to a microcontroller or other electronics A three or four pin female pin header cover is replaced and small area is sanded to attach control socket with epoxy

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Interfacing+to+Minidisc+Recorders (2016-04-24)
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  • Open Logger Project : Interfacing to Minidisc Recorders
    screws of the control board control board removed and gently placed in a resting position to begin the work Next locate the appropriate switches that control the start and stop of recording usually the record slide switch and the metal contact stop switch gently cut and remove the plastic film and metal disc over the proper button contacts button contact fully exposed Now solder small wires must fit in case when cover is replaced to the switch contacts Be sure to label the wires and if possible polarity If metal contact switches are used the small metal disc may need to be removed and the wires soldered directly to the contacts This will render the button on the case useless but can still be used by connecting the two wire leads together small amount of solder placed on both contacts of the stop button and record switch white wire is soldered to the common contact ground and red wires soldered to the stop and record contacts excess leads provide more space to work with Drill a small hole in the front case that the four wires can pass through pull the wires through and close the case Test the ability to record by first crossing the the record wires the minidisc should begin recording Now cross the stop wires the minidisc should stop recording hole drilled in case for wires to pass through wires placed through hole If everything is functioning correctly you can now re assemble the case and trim the excess wires control board screwed back in place placement of hole and wires and control board Solder a three or four pin female pin header to the wires and secure to the case using epoxy Doing this reduces strain on the wire and provides a useful port for

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-print.php?page=Interfacing%20to%20Minidisc%20Recorders (2016-04-24)
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  • Open Logger Project : Interfacing to Minidisc Recorders
    traffic police to the illegal parking police just because it uses the solar to warmth louis vuitton belt Services louis vuitton outlet to ignore PASSWORD Open Thermal Regulator Outputs to Inputs Required Tools The nondescript America dream aristocratic bathroo The Symptoms And Causes Of Clinical Depression In Thermistor Read Tory Burch Sale TOS User Directory What Does It Mean To Be Politically Independent Similar Sidebar Menu Home Search Wiki Wiki

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