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  • Open Logger Project : Components Encyclopedia
    other components from damage due to excessive current Integrated Circuit IC A miniaturized electronic circuit consisting mainly of transistors as well as passive components that has been manufactured in the surface of a thin substrate of semiconductor material Integrated circuits are used in almost all electronic equipment in use today and have revolutionized the world of electronics Microcontroller A small computer on a single integrated circuit consisting of a relatively simple CPU combined with support functions such as a crystal oscillator timers watchdog serial and analog I O etc Program memory in the form of NOR flash or OTP ROM is also often included on chip as well as a typically small read write memory Thus in contrast to the microprocessors used in personal computers and other high performance applications simplicity is emphasized Some microcontrollers may operate at clock frequencies as low as 32KHz as this is adequate for many typical applications enabling low power consumption milliwatts or microwatts They will generally have the ability to retain functionality while waiting for an event such as a button press or other interrupt power consumption while sleeping CPU clock and most peripherals off may be just nanowatts making many of them well suited for long lasting battery applications Microcontrollers are used in automatically controlled products and devices such as automobile engine control systems remote controls office machines appliances power tools and toys By reducing the size cost and power consumption compared to a design that uses a separate microprocessor memory and input output devices microcontrollers make it economical to electronically control many more processes Printed Circuit Board PCB A printed circuit board or PCB is used to mechanically support and electrically connect electronic components using conductive pathways or traces etched from copper sheets laminated onto a non conductive substrate PCBs are rugged

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Components%20Encyclopedia (2016-04-24)
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  • Open Logger Project : Arduino and Freeduino
    oscillator a USB connection a power jack an ICSP header and a reset button It contains everything needed to support the microcontroller simply connect it to a computer with a USB cable or power it with a AC to DC adapter or battery to get started Summary Microcontroller ATmega168 Operating Voltage 5V Input Voltage recommended 7 12V Input Voltage limits 6 20V Digital I O Pins 14 of which 6 provide PWM output Analog Input Pins 6 DC Current per I O Pin 40 mA DC Current for 3 3V Pin 50 mA Flash Memory 16 KB of which 2 KB used by bootloader SRAM 1 KB EEPROM 512 bytes Clock Speed 16 MHz Power The Arduino can be powered via a USB connection or with an external power supply External non USB power can come either from an AC to DC adapter or battery The adapter can be connected by plugging a 2 1mm center positive plug into the board s power jack Leads from a battery can be inserted in the Gnd and Vin pin headers of the POWER connector The board can operate on an external supply of 6 to 20 volts If supplied with less than 7V however the 5V pin may supply less than five volts and the board may be unstable If using more than 12V the voltage regulator may overheat and damage the board The recommended range is 7 to 12 volts Memory The ATmega168 has 16 KB of flash memory for storing code of which 2 KB is used for the bootloader It has 1 KB of SRAM and 512 bytes of EEPROM which can be read and written with the EEPROM library Input and Output Each of the 14 digital pins on the Arduino can be used as an input or output using pinMode digitalWrite and digitalRead functions They operate at 5 volts Each pin can provide or receive a maximum of 40 mA and has an internal pull up resistor disconnected by default of 20 50 kOhms In addition some pins have specialized functions Serial 0 RX and 1 TX Used to receive RX and transmit TX TTL serial data These pins are connected to the corresponding pins of the FTDI USB to TTL Serial chip External Interrupts 2 and 3 These pins can be configured to trigger an interrupt on a low value a rising or falling edge or a change in value PWM 3 5 6 9 10 and 11 Provide 8 bit PWM output SPI 10 SS 11 MOSI 12 MISO 13 SCK These pins support SPI communication which although provided by the underlying hardware is not currently included in the Arduino language The Arduino has 6 analog inputs each of which provide 10 bits of resolution i e 1024 different values By default they measure from ground to 5 volts though is it possible to change the upper end of their range using the AREF pin Additionally some pins have specialized functionality I2C 4 SDA and

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Arduino%20and%20Freeduino (2016-04-24)
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  • Open Logger Project : How to Use Arduino or Freeduino
    Sources for FTDI Cable to Program Loggers SparkFun Created by System Administrator Last Modification Wednesday 01 of July 2009 05 11 01 UTC by System Administrator The original document is available at http www openlogger org tikiwiki 2 2 tiki

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-print.php?page=How%20to%20Use%20Arduino%20or%20Freeduino (2016-04-24)
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  • Open Logger Project : How to Use Arduino or Freeduino
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    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-likepages.php?page=How%20to%20Use%20Arduino%20or%20Freeduino (2016-04-24)
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  • Open Logger Project : Arduino Subroutines
    Read Voltage Divider Read Audio Code Array Value Check LED Blink Outputs to Inputs Audio Recorder Control DS1307 RTC Read Full DS1307 RTC Read Sci Free Ram Check Mapping Big Numbers Created by System Administrator Last Modification Friday 01 of January 2010 18 35 09 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

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Arduino%20Subroutines (2016-04-24)
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  • Open Logger Project : Besotted and Repulsed wedding dresses
    to the effort she applies It is difficult to say the B D L is not relevant inside a styleshaping era cheap bridesmaid dresses under 100 but does it ultimately provide us sufficient info Hiroko Masuike The New York TimesShala Monroque also produced the Vanity Fair list Thursday on R20 Morning Joe Casual Dresses R21 Mika Brzezinski lamented how buyers of 1 500 shoes had been R20 shameless R21 She pointed towards the frontpage post within the New York Occasions about buoyant luxurygoods spending inside a weak economic climate Prior to the cohost Joe Scarborough teased her off the soapbox long mother of the bride dresses Ms Brzezinski unloaded some indignation On that note I bring up the September problem of Vanity Fair devoted mainly to style I am eager to read Laura JacobsR17 s piece on Agnes b and I loved Tom MunroR17 s photos of James DR17 Arcy and Andrea Riseborough who play the Duke and Duchess of Windsor in MadonnaR17 s movie R20 W E R21 I was baffled by the grim mugs within the designer portfolio Wait is not the luxury company booming Her aim was off although Sensible individuals may agree that it is shameful to invest that type of cash and much more for shoes or an post of clothing however the wealthy and young individuals with decentenough jobs happen to be performing that for months as retail numbers indicate Obviously wedding dresses we nonetheless admire those that roll up their sleeves I just finished R20 No Ordinary Time R21 so I am thinking in the mighty Eleanor Roosevelt but in this culture itR17 s the superficial qualities that absorb individuals You cannot assist questioning if the issue is not genuine alternatives so significantly because it is really a lack of info The globe

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Besotted%20and%20Repulsed%20wedding%20dresses (2016-04-24)
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  • Open Logger Project : 皇冠网址www.ka6888.com Netherlands VS Denmark star
    10 Wesley Sneijder 11 Robben 16 Robin van Persie Denmark starting lineup 4 3 3 1 Anderson 5 Simon Polson 4 Agnes 3 Simon Kay 6 Jacobson 7 Qwest 8 Eriksson 21 Ximu Lin 9 Cron Deli 10 romero Dahl 11 The Turner Referee Nova Minas Slovenia SAN FRANCISCO June 10 at 0 14th European Cup the second competition day of competition Group B first round game in Kharkov Ukraine Metal Workers Stadium the 1988 European champions the Netherlands team in 1992 staged the battle of the Danish team won the fairy tale Before the two sides announced the starting lineup Dutch team starting lineup 4 2 3 1 1 of Stekelenburg 15 Williams 13 Fu Laer 3 Heitinga 2 Van Der Veer 8 Nigel De Jong 6 Mark van Bommel 20 Afellay 10 Wesley Sneijder 11 Robben 16 Robin van Persie Denmark starting lineup 4 3 3 1 Anderson 5 Simon Polson 4 Agnes 3 Simon Kay 6 Jacobson 7 Qwest 8 Eriksson 21 Ximu Lin 9 Cron Deli 10 romero Dahl 11 The Turner Referee Paul Mina Slovenia 相关的主题文章 菲律宾太阳城开户www ra66 tv Harbin Yi Teng 皇冠www ra66 tv Klose the pressure Gomez starting 皇冠足球信用网www ka6888 com Contain three

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=%E7%9A%87%E5%86%A0%E7%BD%91%E5%9D%80www.ka6888.com%20Netherlands%20VS%20Denmark%20star (2016-04-24)
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  • Open Logger Project : plusand willamb
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    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=plusand%20willamb (2016-04-24)
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