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15 items tagged "spectrum"

Related tags: hacks [+], analyzer [+], spectrum analyzer [+], webmanager [+], vulnerability [+], spectrum software [+], Software [+], txt [+], travis goodspeed [+], microcontroller [+], im me [+], digital [+], classic [+], audio [+], arduino [+], Wireless [+], FCC [+], xss [+], white spaces [+], white [+], ti 84 [+], simon inns [+], signal [+], september 23rd [+], radio enthusiasts [+], radio board [+], radio [+], python script [+], portable spectrum analyzer [+], pic [+], ossman [+], opamp [+], nokia 5110 [+], nab [+], mstv [+], miguel a. vallejo [+], microcontrollers [+], michael vincent [+], michael ossmann [+], michael ossman [+], link transmitter [+], lcd [+], ism band [+], housing group [+], housing [+], group [+], graphic calculator [+], goodspeed [+], fred [+], doo dads [+], data breach [+], character lcd [+], character [+], cellphone [+], calculator [+], audio spectrum analyzer [+], audio signal [+], analog signal [+], amateur radio operators [+]

• October 19, 2011
• 7:53

  Spectrum Housing Group Cautioned By ICO After Data Breach

   » ‎ Packet Storm Security Headlines
  Spectrum Housing Group Cautioned By ICO After Data Breach

  Tags:  group spectrum housing housing-group data-breach  

• October 10, 2011
• 15:01

  Character LCD spectrum analyzer made simple with a dedicated IC

   » ‎ Hack a Day
  [El Artis] just finished building an audio spectrum analyzer that uses a character LCD. The uses an Arduino to drive the display, but unlike other meters that use the microcontroller for analysis, [El Artis] is using a discrete IC for that task. This project uses the MSGEQ7 graphic equilizer display filter chip to grab frequency data [...]

  Tags:  lcd character spectrum audio-spectrum-analyzer character-lcd arduino hacks  

• September 08, 2011
• 9:01

  Spectrum analyzer users custom characters on an HD44780 display

   » ‎ Hack a Day
  [Camilo] built a spectrum analyzer to use with his audio system (translate). The hardware is quite simple, using an op-amp, microcontroller and LCD display. He chose an LMV324M low-voltage op-amp which connects to the incoming audio signal and feeds its output to the microcontroller’s ADC. In this case, he chose a Freescale microcontroller from the HCS08 [...]

  Tags:  analyzer spectrum microcontroller spectrum-analyzer audio-signal digital audio hacks  

• July 25, 2011
• 4:04

  Arduino Powered 2.4 GHz Spectrum Analyzer

   » ‎ Hack a Day
  [Fred] dropped a note in our tip line to let us know about arduino forum user [bilbo]‘s latest project: A 3-in-one spectrum analyzer, oscilloscope, volt-meter combo. The build consists of an Arduino, radio board and Nokia 5110 LCD breakout board.  The (thin) video after the jump shows the rig in action. Though soldered to a [...]

  Tags:  spectrum arduino analyzer fred spectrum-analyzer radio-board nokia-5110 hacks  

• March 16, 2011
• 7:10

  dsPIC-based spectrum analyzer

   » ‎ Hack a Day
  [Debraj] wrote to us describing a project he recently completed – a  simple, compact spectrum analyzer using a 16-bit dsPIC microcontroller. The analyzer is fed an analog signal, which is passed through a large resistor followed by an opamp. A DC offset is then applied to the signal, after which it is passed through a [...]

  Tags:  signal analyzer spectrum spectrum-analyzer opamp analog-signal microcontrollers  

• February 08, 2011
• 7:35

  Building a better spectrum analyzer for radio enthusiasts

   » ‎ Hack a Day
  This spectrum analyzer project seeks to improve the quality of tools available to amateur radio operators. A lot of thought has gone into the design, and those details are shared in the verbose project log. The case was originally a CATV link transmitter, but most of the controls seen above have been added for this [...]

  Tags:  analyzer radio spectrum amateur-radio-operators radio-enthusiasts link-transmitter hacks  

• January 08, 2011
• 9:58

  PIC spectrum analyzer uses Fast Fourier Transform routine

   » ‎ Hack a Day
  [Simon Inns] just rolled out his latest project, a PIC based spectrum analyzer. He’s using a Fast Fourier Transform routine crafted in C to run as efficiently as possible on the 8-bit chip. The video after the break shows that the results are quite pleasing, with just a bit of noticeable lag between the sound [...]

  Tags:  analyzer spectrum pic simon-inns spectrum-analyzer digital audio hacks  

• October 09, 2010
• 6:30

  Pulling data from the IM-ME spectrum analyzer

   » ‎ Hack a Day
  A small, cheap spectrum analyzer with an LCD can be a fun thing to play with. But to be truly usefully you need access to raw data, and lots of it. [Travis Goodspeed] set out to make that possible by pulling data with a GoodFET and a Python script. He started with [Michael Ossmann's] IM-ME [...]

  Tags:  im-me analyzer spectrum travis-goodspeed michael-ossman python-script spectrum-analyzer ossman Wireless hacks  

• September 13, 2010
• 9:57

  FCC to address White Spaces at September 23rd Meeting

   » ‎ Wirevolution

  The agenda for the September 23rd FCC Commission Meeting lists:

  TV White Spaces Second MO&O: A Second Memorandum Opinion and Order that will create opportunities for investment and innovation in advanced Wi-Fi technologies and a variety of broadband services by finalizing provisions for unlicensed wireless devices to operate in unused parts of TV spectrum.

  Early discussion of White Spaces proposed that client devices would be responsible for finding vacant spectrum to use. This “spectrum sensing” or “detect and avoid” technology was sufficiently controversial that a consensus grew to supplement it with a geolocation database, where the client devices determine their location using GPS or other technologies, then consult a coverage database showing which frequencies are available at that location.

  Among the Internet companies this consensus now appears to have evolved to eliminate the spectrum-sensing requirement for geolocation-enabled devices.

  The Register says that this is because spectrum sensing doesn’t work.

  The Associated Press predicts that the Order will go along with the Internet companies, and ditch the spectrum sensing requirement.

  Some of the technology companies behind the white spaces are fighting a rearguard action, saying there are good reasons to retain spectrum sensing as an alternative to geolocation. The broadcasting industry (represented by the NAB and MSTV) want to require both. It will be interesting to see if the FCC leaves any spectrum sensing provisions in the Order.

  Tags:  FCC spectrum white nab white-spaces mstv september-23rd FCC  

• July 29, 2010
• 7:51

  Graphic calculator as a spectrum analyzer

   » ‎ Hack a Day
  [Michael Vincent] turned his TI-84 Plus into a spectrum analyzer. By running some assembly code on the device the link port can be used as an I2C bus (something we’ll have to keep in mind). After being inspired by the cell phone spectrum analyzer he set out to build a module compatible with the calculator [...]

  Tags:  calculator analyzer spectrum michael-vincent graphic-calculator spectrum-analyzer ti-84 Wireless hacks  

• March 17, 2010
• 9:00

  IM-ME spectrum analyzer

   » ‎ Hack a Day
  [Michael Ossmann] rolled out some firmware that makes his IM-ME into a Spectrum Analyzer. He met up with [Travis Goodspeed], who authored the IM-ME flashing guide, at SchmooCon and spent some time hacking wireless doo-dads in the hotel bar. Once he arrived home the new firmware was just a few coding sessions away from completion. [...]

  Tags:  im-me analyzer spectrum travis-goodspeed michael-ossmann doo-dads spectrum-analyzer goodspeed classic hacks  

• February 16, 2010
• 13:00

  Spectrum Software WebManager CMS Xss Vulnerability

   » ‎ 1337day (was: Inj3ct0r, 1337db)
  Spectrum Software WebManager CMS Xss Vulnerability

  Tags:  webmanager spectrum Software spectrum-software xss vulnerability  

• 11:49

  spectrumswm-xss.txt

   » ‎ Packet Storm Security Recent Files
  Spectrum Software WebManager CMS suffers from a cross site scripting vulnerability.

  Tags:  txt spectrum Software spectrum-software webmanager vulnerability  

• 11:49

  spectrumswm-xss.txt

   » ‎ Packet Storm Security Exploits
  Spectrum Software WebManager CMS suffers from a cross site scripting vulnerability.

  Tags:  txt spectrum Software spectrum-software webmanager vulnerability  

• February 12, 2010
• 12:41

  Spectrum analyzer wedged into a cellphone

   » ‎ Hack a Day
  [Miguel A. Vallejo] wanted a portable spectrum analyzer for the 2.4GHz ISM band. No problem, there’s modules for that are easy to interface with a microcontroller and LCD screen. But carrying around a black project box doesn’t exactly scream ‘cool’ so he fit his spectrum analyzer inside of a cell phone. This made a lot [...]

  Tags:  analyzer spectrum cellphone miguel-a.-vallejo portable-spectrum-analyzer ism-band microcontroller classic hacks