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24 items tagged "cell"
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motorola c168i [+],
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l. aaron kaplan [+],
kitchen counter [+],
jay kickliter [+],
ip geolocation [+],
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cr2032 battery [+],
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cell phones [+],
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car [+],
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7:43
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Hack a Day
Every night, [Roberto]‘s kitchen counter is cluttered with three cell phones, three different cell phone chargers and a mess of wires until morning comes and the chargers are moved to a drawer for the following night. For [Roberto] this is a bit of a pain – a much easier solution would be to have a [...]
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15:24
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SecDocs
Authors:
Torsten Hoefler Tags:
technology Event:
Chaos Communication Congress 22th (22C3) 2005 Abstract: The x86 architecture has been the de facto standard for many years. Attempts to take the turn, like Intel tried with the VLIW Itanium Architetcture were desastrous. But the x86 architecture is not able to fulfil the demands of today's market. Several additions have been proposed (MMX,3dNow,SSE1-3), but the Cell approach takes them to the next level. The cell processor offers unique new features which are focused on high througput computing with low power. This approach is not compatible to the commonly known and widely spread x86 architecture, which survived every attempt to replace it since decades. The latest proposal by Intel, the Itanium architecturue did not make it, they are going to merge back to x86. But the Cell approach is fundamentally different, the aim is not to take the server or workstation market, the architecture is mainly targeted for the console and consumer elektronics. Two big companies from this sectors, Sony and Toshiba realized a research project together with one of the biggest microprocessor architects, IBM. The result was the Cell architecture, which is in particular very interesting, not only for the consumer electronics but also for the PC, Server and Supercomputing market. The necessary ideas to implement vector operations additionally to normal operations are also implemented in x86 as MMX/3dNow or SSE1-3, but the Cell architecture has gone further. This architecture proposes a heterogeneous Multiprocessor consisting of a normal general purpose CPU and several (8 in Version 1) small and fast Vector CPUs. The main concept is to reduce the complexity on the chip to increase the number of functional units and the clock rate. The vector CPUs are cache-less, have no branch prediction scheme and provide only in order execution with two very simple pipelines. All the complexity has been moved inside the upper software layer (compiler), where it can be handled efficiently (cmp. VLIW architectures). All Elements, the computing units and interconnects are introduced and analyzed in the talk. The first prototype with chip layout is explained. Furthermore different (thinkable) programming strategies are shown.
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15:24
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SecDocs
Authors:
Torsten Hoefler Tags:
technology Event:
Chaos Communication Congress 22th (22C3) 2005 Abstract: The x86 architecture has been the de facto standard for many years. Attempts to take the turn, like Intel tried with the VLIW Itanium Architetcture were desastrous. But the x86 architecture is not able to fulfil the demands of today's market. Several additions have been proposed (MMX,3dNow,SSE1-3), but the Cell approach takes them to the next level. The cell processor offers unique new features which are focused on high througput computing with low power. This approach is not compatible to the commonly known and widely spread x86 architecture, which survived every attempt to replace it since decades. The latest proposal by Intel, the Itanium architecturue did not make it, they are going to merge back to x86. But the Cell approach is fundamentally different, the aim is not to take the server or workstation market, the architecture is mainly targeted for the console and consumer elektronics. Two big companies from this sectors, Sony and Toshiba realized a research project together with one of the biggest microprocessor architects, IBM. The result was the Cell architecture, which is in particular very interesting, not only for the consumer electronics but also for the PC, Server and Supercomputing market. The necessary ideas to implement vector operations additionally to normal operations are also implemented in x86 as MMX/3dNow or SSE1-3, but the Cell architecture has gone further. This architecture proposes a heterogeneous Multiprocessor consisting of a normal general purpose CPU and several (8 in Version 1) small and fast Vector CPUs. The main concept is to reduce the complexity on the chip to increase the number of functional units and the clock rate. The vector CPUs are cache-less, have no branch prediction scheme and provide only in order execution with two very simple pipelines. All the complexity has been moved inside the upper software layer (compiler), where it can be handled efficiently (cmp. VLIW architectures). All Elements, the computing units and interconnects are introduced and analyzed in the talk. The first prototype with chip layout is explained. Furthermore different (thinkable) programming strategies are shown.
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15:24
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SecDocs
Authors:
Torsten Hoefler Tags:
technology Event:
Chaos Communication Congress 22th (22C3) 2005 Abstract: The x86 architecture has been the de facto standard for many years. Attempts to take the turn, like Intel tried with the VLIW Itanium Architetcture were desastrous. But the x86 architecture is not able to fulfil the demands of today's market. Several additions have been proposed (MMX,3dNow,SSE1-3), but the Cell approach takes them to the next level. The cell processor offers unique new features which are focused on high througput computing with low power. This approach is not compatible to the commonly known and widely spread x86 architecture, which survived every attempt to replace it since decades. The latest proposal by Intel, the Itanium architecturue did not make it, they are going to merge back to x86. But the Cell approach is fundamentally different, the aim is not to take the server or workstation market, the architecture is mainly targeted for the console and consumer elektronics. Two big companies from this sectors, Sony and Toshiba realized a research project together with one of the biggest microprocessor architects, IBM. The result was the Cell architecture, which is in particular very interesting, not only for the consumer electronics but also for the PC, Server and Supercomputing market. The necessary ideas to implement vector operations additionally to normal operations are also implemented in x86 as MMX/3dNow or SSE1-3, but the Cell architecture has gone further. This architecture proposes a heterogeneous Multiprocessor consisting of a normal general purpose CPU and several (8 in Version 1) small and fast Vector CPUs. The main concept is to reduce the complexity on the chip to increase the number of functional units and the clock rate. The vector CPUs are cache-less, have no branch prediction scheme and provide only in order execution with two very simple pipelines. All the complexity has been moved inside the upper software layer (compiler), where it can be handled efficiently (cmp. VLIW architectures). All Elements, the computing units and interconnects are introduced and analyzed in the talk. The first prototype with chip layout is explained. Furthermore different (thinkable) programming strategies are shown.
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10:30
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SecDocs
Authors:
Torsten Hoefler Tags:
technology Event:
Chaos Communication Congress 22th (22C3) 2005 Abstract: The x86 architecture has been the de facto standard for many years. Attempts to take the turn, like Intel tried with the VLIW Itanium Architetcture were desastrous. But the x86 architecture is not able to fulfil the demands of today's market. Several additions have been proposed (MMX,3dNow,SSE1-3), but the Cell approach takes them to the next level. The cell processor offers unique new features which are focused on high througput computing with low power. This approach is not compatible to the commonly known and widely spread x86 architecture, which survived every attempt to replace it since decades. The latest proposal by Intel, the Itanium architecturue did not make it, they are going to merge back to x86. But the Cell approach is fundamentally different, the aim is not to take the server or workstation market, the architecture is mainly targeted for the console and consumer elektronics. Two big companies from this sectors, Sony and Toshiba realized a research project together with one of the biggest microprocessor architects, IBM. The result was the Cell architecture, which is in particular very interesting, not only for the consumer electronics but also for the PC, Server and Supercomputing market. The necessary ideas to implement vector operations additionally to normal operations are also implemented in x86 as MMX/3dNow or SSE1-3, but the Cell architecture has gone further. This architecture proposes a heterogeneous Multiprocessor consisting of a normal general purpose CPU and several (8 in Version 1) small and fast Vector CPUs. The main concept is to reduce the complexity on the chip to increase the number of functional units and the clock rate. The vector CPUs are cache-less, have no branch prediction scheme and provide only in order execution with two very simple pipelines. All the complexity has been moved inside the upper software layer (compiler), where it can be handled efficiently (cmp. VLIW architectures). All Elements, the computing units and interconnects are introduced and analyzed in the talk. The first prototype with chip layout is explained. Furthermore different (thinkable) programming strategies are shown.
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5:01
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Hack a Day
[Sam] picked up a Sansa Clip audio player to listen to some tunes while working on projects. He liked the fact that he could run the Rockbox alternative firmware on the device, but thought the 15 hour battery life needed some improving. He swapped out the stock cell with a larger Lithium cell for a [...]
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7:17
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Hack a Day
Cellular shields for the Arduino have been around for ages, but this is the first one we’ve seen that turns your Arduino into a proper cell phone. The shield is based around the SIM900 GSM/GPRS radio module, and is compatible with the SIM908 GSM/GPRS module that adds a GPS receiver. Also on board this shield are a pair of [...]
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21:34
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SecDocs
Tags:
engineering Event:
Chaos Communication Congress 24th (24C3) 2007 Abstract: Design noir is what happens when engineers, artists and hackers get together to design consumer electronics. I'll present some examples, including my own projects and collaborations Cell phone jammers, TV-B-Gone devices, high-voltage jackets...lots of fun! "In contemporary Western society, electronic devices are becoming so prevalent that many people find themselves surrounded by technologies they find frustrating or annoying. The electronics industry has little incentive to address this complaint; I designed two counter-technologies to help people defend their personal space from unwanted electronic intrusion. Both devices were designed and prototyped with reference to the culture-jamming “Design Noir” philosophy. The first is a pair of glasses that darken whenever a television is in view. The second is low-power RF jammer capable of preventing cell phones or similarly intrusive wireless devices from operating within a user’s personal space. By building functional prototypes that reflect equal consideration of technical and social issues, I identify three attributes of Noir products: Personal empowerment, participation in a critical discourse, and subversion."
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13:01
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Hack a Day
[Jay Kickliter] built his own coin cell battery recharger. This won’t work on the vast majority of coin cells as they are manufactured as disposable parts. But there are rechargeable options out there with model numbers that start with LR instead of CR. In this case he tailored the charging circuit around MCP73832 IC and [...]
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10:03
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Hack a Day
Here’s a photovoltaic cell that can be printed onto paper. The manufacturing technique is almost as simple as using an inkjet printer. The secret is in the ink itself. It takes five layers deposited on the paper in a vacuum chamber. But that’s a heck of a lot easier than current solar cell fabrication practices. [...]
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20:10
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SecuriTeam
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of HP Data Protector Cell Manager.
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8:21
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Hack a Day
We’re working on a project that has a battery backup, but we don’t have any more coin cell holders on hand. No problem, we remember seeing a double pin header used for this. But when we tried to shove the CR2032 battery in between the pins it was a no-go. We could swear we’d featured [...]
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14:16
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Hack a Day
Non acronym version of the title: send and receive text messages via cell phone communication towers using an Arduino or other microcontroller. “We’ve been doing that for years!” you cry, well yes, technically. But [Fincham] lays it outs simply; commercial offerings are expensive and finding a cell phone that uses RS232 now a days is [...]
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14:12
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Hack a Day
[Rogal] wrote a cell phone application called ToneTool that generates audio tone sequences. It can be used to output DTMF and SelCall sequences which are used by telephone systems and radio-telecommunication hardware. The software is written in J2ME so if you have a cell phone that can run Java apps it will probably work for [...]
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9:00
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Hack a Day
Hackaday alum [Will O'Brien] has been doing some cellphone integration work. He recently picked up some Motorola c168i cellphones from eBay. It turns out there is a serial port that uses TTL communication with a standard head-phone jack as an interface. [Will] soldered up a connector and used a USB to FTDI cable to interface [...]
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21:13
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SecDocs
Authors:
L. Aaron Kaplan Tags:
GPS locating Event:
Chaos Communication Congress 26th (26C3) 2009 Abstract: For a long time we warned of the perils of full scale, permanent tracking of persons by the state or corporations. Cell phones, data retention laws and other surveillance techniques close the freedoms of the net. But none can be as pervasive as the permanent location updates sent to Apple and Google via your Smartphone and laptop. With a precision of 10 m to 20 m, BSSID based location tracking has become the ultimative and global tracking of persons. This talk will describe weaknesses and trends in current location tracking methods. The internet learned to locate you in 2009! Skyhook Wireless is a small company focusing on providing high quality location based services to the world. To quote from their webpage: "Skyhook Wireless' XPS is the world's first true hybrid positioning system. Combining the unique benefits of GPS, Cell Tower triangulation and Wi-Fi Positioning, mobile consumers no longer have to wait minutes for a response or cope with inaccurate location." Customers include Apple (iPhone, Snow Leopard uses Skyhook Wireless) and Google. While most people don't realize it, the BSSIDs that their Smartphone "hears" gets transmitted to a single company in Boston, Mass. The cell phone tower identifier gets transmitted and if anything fails, they will revert to simple IP Geolocation DBs. The talk will focus on a few techniques for assigning GPS positions to you and tries to estimate trends and implications for society, law and law enforcement issues.
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7:25
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Hack a Day
[Dave] Had been working on a cell phone activated remote start for his car for a while when we posted the GSM car starter. While both do carry out the same job, we feel that there is enough good information here to share. He’s gone a pretty simple way, by connecting the vibrator motor leads [...]
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