User contributions
From ScienceZero
- 03:21, 10 June 2011 (diff | hist) . . (+4) . . ARM: Cortex-M3 Thumb-2 instruction set (→Thumb-2 instruction set)
- 10:06, 5 June 2011 (diff | hist) . . (+3) . . ARM: Cortex-M3 Thumb-2 instruction set (→Condition flags)
- 06:04, 5 June 2011 (diff | hist) . . (+17) . . ARM: Cortex-M3 Thumb-2 instruction set (→Thumb-2 instruction set)
- 06:03, 5 June 2011 (diff | hist) . . (+234) . . ARM: Cortex-M3 Thumb-2 instruction set (→Thumb-2 instruction set)
- 06:00, 5 June 2011 (diff | hist) . . (-42) . . ARM: Cortex-M3 Thumb-2 instruction set (→Table branch)
- 05:59, 5 June 2011 (diff | hist) . . (-17) . . ARM: Cortex-M3 Thumb-2 instruction set (→Thumb-2 instruction set)
- 05:57, 5 June 2011 (diff | hist) . . (+95) . . ARM: Cortex-M3 Thumb-2 instruction set (→Thumb-2 instruction set)
- 05:56, 5 June 2011 (diff | hist) . . (-47) . . ARM: Cortex-M3 Thumb-2 instruction set (→Condition flags)
- 05:55, 5 June 2011 (diff | hist) . . (+9) . . ARM: Cortex-M3 Thumb-2 instruction set (→Condition flags)
- 05:53, 5 June 2011 (diff | hist) . . (+15) . . ARM: Cortex-M3 Thumb-2 instruction set (→Immediate constants)
- 05:51, 5 June 2011 (diff | hist) . . (+48) . . STM32F103 Microcontroller (→Documents and files)
- 05:49, 5 June 2011 (diff | hist) . . (+178) . . ARM: Cortex-M3 Thumb-2 instruction set
- 05:40, 5 June 2011 (diff | hist) . . (0) . . m ARM: Cortex-M3 Thumb-2 instruction set (moved ARM: Thumb-2 instruction set to ARM: Cortex-M3 Thumb-2 instruction set)
- 05:40, 5 June 2011 (diff | hist) . . (+52) . . N ARM: Thumb-2 instruction set (moved ARM: Thumb-2 instruction set to ARM: Cortex-M3 Thumb-2 instruction set) (current)
- 05:39, 5 June 2011 (diff | hist) . . (-10) . . ARM: Cortex-M3 Thumb-2 instruction set (→Thumb-2 variable instruction length)
- 05:36, 5 June 2011 (diff | hist) . . (+16) . . ARM: Cortex-M3 Thumb-2 instruction set (→Thumb-2 variable instruction length)
- 05:35, 5 June 2011 (diff | hist) . . (+17) . . ARM: Cortex-M3 Thumb-2 instruction set (→Condition flags)
- 05:34, 5 June 2011 (diff | hist) . . (+14) . . ARM: Cortex-M3 Thumb-2 instruction set (→Condition flags)
- 05:33, 5 June 2011 (diff | hist) . . (+18,488) . . N ARM: Cortex-M3 Thumb-2 instruction set (Created page with "==Hardware registers== *R0-R12 General purpose registers *R13 Used as stack pointer, is also called SP (can be used as a general purpose register with some restrictions) *R14 Use...")
- 05:26, 5 June 2011 (diff | hist) . . (+97) . . ARM: Count leading zeros (current)
- 05:23, 5 June 2011 (diff | hist) . . (0) . . ARM: Count leading zeros (→Maximum performance with normalizing)
- 04:25, 5 June 2011 (diff | hist) . . (+15) . . STM32F103 Microcontroller (→Peripherials)
- 06:51, 3 April 2008 (diff | hist) . . (+8) . . Americium 241 (→Radiation detection with a CCD chip)
- 05:07, 24 March 2008 (diff | hist) . . (+41) . . Main Page
- 15:18, 23 March 2008 (diff | hist) . . (+2) . . Category:Science and ponderings (current)
- 15:17, 23 March 2008 (diff | hist) . . (+61) . . N Category:Science and ponderings (New page: Scienetific ideas, ponderings and general useful information.)
- 15:17, 23 March 2008 (diff | hist) . . (+1) . . The mirror paradox (current)
- 15:17, 23 March 2008 (diff | hist) . . (+1) . . The Secret Life of Machines
- 15:17, 23 March 2008 (diff | hist) . . (+2) . . MediaWiki:Sidebar (current)
- 15:16, 23 March 2008 (diff | hist) . . (+61) . . N Category:Science and pondering (New page: Scienetific ideas, ponderings and general useful information.) (current)
- 15:15, 23 March 2008 (diff | hist) . . (+14) . . The mirror paradox
- 15:15, 23 March 2008 (diff | hist) . . (+14) . . The Secret Life of Machines
- 15:14, 23 March 2008 (diff | hist) . . (+14) . . MediaWiki:Sidebar
- 15:14, 23 March 2008 (diff | hist) . . (-1) . . MediaWiki:Sidebar
- 15:13, 23 March 2008 (diff | hist) . . (+15) . . MediaWiki:Sidebar
- 15:09, 23 March 2008 (diff | hist) . . (0) . . MediaWiki:Sidebar
- 15:03, 23 March 2008 (diff | hist) . . (+16) . . MediaWiki:Sidebar
- 15:42, 18 February 2007 (diff | hist) . . (-287) . . Test (→wikitable)
- 15:42, 18 February 2007 (diff | hist) . . (+2) . . Main Page
- 15:41, 18 February 2007 (diff | hist) . . (0) . . N File:Summer.jpg (current)
- 15:18, 18 February 2007 (diff | hist) . . (+36) . . MediaWiki:Sidebar
- 14:55, 30 January 2007 (diff | hist) . . (+9) . . Linear feedback shift registers
- 14:23, 30 January 2007 (diff | hist) . . (+23) . . Linear feedback shift registers (→Maximum periods)
- 14:22, 30 January 2007 (diff | hist) . . (0) . . Linear feedback shift registers (→Maximum periods)
- 14:21, 30 January 2007 (diff | hist) . . (+850) . . Linear feedback shift registers (→Maximum periods)
- 13:58, 30 January 2007 (diff | hist) . . (-195) . . PIC: Multiplication
- 13:13, 30 January 2007 (diff | hist) . . (+108) . . The Secret Life of Machines
- 13:11, 30 January 2007 (diff | hist) . . (+5) . . The Secret Life of Machines
- 13:11, 30 January 2007 (diff | hist) . . (+5) . . The Secret Life of Machines
- 13:10, 30 January 2007 (diff | hist) . . (+1,800) . . The Secret Life of Machines
- 13:02, 30 January 2007 (diff | hist) . . (+27) . . The Secret Life of Machines
- 13:01, 30 January 2007 (diff | hist) . . (-24) . . The Secret Life of Machines
- 12:59, 30 January 2007 (diff | hist) . . (+2) . . Infinity and beyond (→Cantors diagonal slash)
- 12:59, 30 January 2007 (diff | hist) . . (+1,026) . . N Infinity and beyond (New page: What is the nature of infinity? It is not the largest possible number because you can always add 1 to a number so it is not a number at all. Look at infinity as a point beyond our reach of...)
- 12:29, 30 January 2007 (diff | hist) . . (+994) . . N Skin effect (New page: The skin effect is the tendency of an alternating electric current to distribute itself within a conductor so that the current density near the surface of the conductor is greater than tha...)
- 12:00, 30 January 2007 (diff | hist) . . (+1,230) . . Linear feedback shift registers
- 11:58, 30 January 2007 (diff | hist) . . (-1) . . Linear feedback shift registers
- 11:58, 30 January 2007 (diff | hist) . . (+159) . . Linear feedback shift registers
- 11:56, 30 January 2007 (diff | hist) . . (-8) . . Linear feedback shift registers (→Language Optimal implementation (Your compiler may think differently))
- 11:56, 30 January 2007 (diff | hist) . . (+26) . . Linear feedback shift registers
- 11:55, 30 January 2007 (diff | hist) . . (+1,955) . . N Linear feedback shift registers (New page: A LFSR (linear feedback shift register) is a shift register where the input is a linear function of two or more bits (taps). There are many possible configurations, the one presented here ...)
- 11:51, 30 January 2007 (diff | hist) . . (+1,356) . . N The Secret Life of Machines (New page: Download the complete TV series by Tim Hunkin 18 episodes of tinkering and inspiring dissertation View at Google Video: [http://video.google.com/videosearch?q=%22the+secret+life+of+machin...)
- 11:46, 30 January 2007 (diff | hist) . . (+758) . . N Matrix stack language (New page: A stack based programming language with a two-dimensional program counter This is a stack based language with a two-dimensional program pointer. It has no practical purpose except for mak...)
- 11:44, 30 January 2007 (diff | hist) . . (+4,934) . . N PIC: Multiplication (New page: Low-end microcontrollers from Microchip do not have a multiplication instruction so any multiplication needs to be done using software or external hardware. This is a collection of 8 by 8 ...)
- 11:43, 30 January 2007 (diff | hist) . . (+77) . . Minimal inline PIC Forth
- 11:40, 30 January 2007 (diff | hist) . . (+2,552) . . N Minimal inline PIC Forth (New page: Minimal inline PIC Forth for PIC16xxx version 1.0 This minimal version of Forth is implemented by a series of Macro functions for the MASM assembler. The code is generated as inline code a...)
- 11:39, 30 January 2007 (diff | hist) . . (+1,349) . . N Paper plane (New page: This is probably the most efficient paperplane you can make. It can fly slower than walking speed and seems to defy gravity. The shape shown here was scanned from a working model. #...)
- 11:38, 30 January 2007 (diff | hist) . . (+26) . . Americium 241
- 11:37, 30 January 2007 (diff | hist) . . (+689) . . N Americium 241 (New page: Americium 241 emits alpha and gamma radiation. Most of the radiation does not travel very far from the sample but at close range it is intense enought to affect electronic devices. Even sm...)
- 11:34, 30 January 2007 (diff | hist) . . (+26) . . PIC programmer: High voltage
- 11:33, 30 January 2007 (diff | hist) . . (+1,781) . . N PIC programmer: High voltage (New page: High-voltage parallel port programmer This programmer works on Flash based PIC microcontrollers. It is based on a design by David Tait but uses schmitt triggers as buffers for improved st...)
- 11:29, 30 January 2007 (diff | hist) . . (+26) . . PIC programmer: COM84
- 11:28, 30 January 2007 (diff | hist) . . (+779) . . N PIC programmer: COM84 (New page: This is the classic COM84 programmer made for the PIC 16C84 microcontroller. It works fine for many newer types. One of the problems is that the serialport must be able to supply 12V and e...)
- 11:25, 30 January 2007 (diff | hist) . . (+1,051) . . N Extremely simple pulse width modulation regulator (New page: This circuit is very simple and has been used both on a at 70W halogen lamp and a LED and worked fine without any problems. For the lamp a power FET was used and for the LED a ULN2003 darl...)
- 11:23, 30 January 2007 (diff | hist) . . (+403) . . N Capacitive proximity detector (New page: This circuit uses a NE555 IC to make an oscillator. Anything in the field emitted by the antenna will change the capacitance / inductance of the circuit and the result is a change in frequ...)
- 11:22, 30 January 2007 (diff | hist) . . (+629) . . N Speedtrap (New page: Measures the timing of events or speed of projectiles This is a very affordable and simple to build speed trap based on the PIC 16C84 microcontroller. The goal was to use as few parts as ...)
- 11:21, 30 January 2007 (diff | hist) . . (+449) . . N Backup LED Light (New page: Tiny automatic light powered by a backup capacitor This circuit will light the LED when the supply voltage is removed. In normal operation the base of the transistor is grounded and no cu...)
- 11:20, 30 January 2007 (diff | hist) . . (+1,290) . . N Neon bulb oscillators (New page: A neon (NE-2H ) bulb has a well defined ignition voltage where it suddenly ignites and it will stay ignited even if the voltage falls somewhat lower than the ignition voltage. This propert...)
- 11:12, 30 January 2007 (diff | hist) . . (-46) . . MediaWiki:Sidebar
- 00:59, 30 January 2007 (diff | hist) . . (+117) . . A16 CPU
- 00:55, 30 January 2007 (diff | hist) . . (+452) . . N A16 CPU (New page: thumb ==A16 - High Performance 16 bit RISC CPU== *Harvard style architecture that executes all instructions in a single clock cycle. *8 registers, the pro...)
- 00:54, 30 January 2007 (diff | hist) . . (0) . . N File:A16schematic.png (current)
- 00:41, 30 January 2007 (diff | hist) . . (+207) . . MediaWiki Modifications
- 22:03, 29 January 2007 (diff | hist) . . (+1,548) . . N Zero (New page: ==History of Zero== The largest single advance in mathematics was made around 300 AD when the Hindus combined a sign for zero with a decimal positional system. They called their zero "sunj...)
- 22:00, 29 January 2007 (diff | hist) . . (+22) . . Scientific method
- 21:59, 29 January 2007 (diff | hist) . . (+1,370) . . N Scientific method (New page: ==The Scientific Process== *Observations are made of certain phenomena. *Facts are established. *Patterns are looked for in data/observation. *Scientific principles are established, consis...)
- 21:56, 29 January 2007 (diff | hist) . . (+613) . . N Links (New page: ==History== *[http://irb.cs.tu-berlin.de/~zuse/Konrad_Zuse/en/index.html Konrad Zuse and his computers] *[http://www.fourmilab.ch Fourmilab Switzerland] ==Reference== *[http://hyperphysic...)
- 21:45, 29 January 2007 (diff | hist) . . (+2,948) . . N Electrical safety (New page: == Continuous current == '''The formulas for 0.5% and 99.5% chance of fibrillation caused by electrocution:''' *I0.5% = 165 / SQRT (t) *I99.5% = 495 / SQRT (t) Where '''Ip''' is the curr...)
- 21:44, 29 January 2007 (diff | hist) . . (+633) . . N Reduced instruction set computer (New page: The Reduced Instruction Set Computer (RISC) philosophy is to take the most used instructions and make them efficient and drop the rarely used ones. It is common to have many on chip regist...)
- 21:43, 29 January 2007 (diff | hist) . . (+33) . . PIC
- 21:43, 29 January 2007 (diff | hist) . . (+3,756) . . N PIC (New page: PIC16F84A BLOCK DIAGRAM The Microchip PIC one the most popular embedded microcontrollers for amateurs. It is an old and quir...)
- 21:42, 29 January 2007 (diff | hist) . . (+640) . . N Memory management unit (New page: A memory management unit is is a layer of hardware between a CPU and memory. The virtual address space of a CPU is divided into pages and each page has an entry...)
- 21:41, 29 January 2007 (diff | hist) . . (+458) . . N Field-programmable gate array (New page: A field-programmable gate array (FPGA) is a semiconductor device containing programmable logic components and programmable interconnects. The logic is commonly implemented as look-up table...)
- 21:40, 29 January 2007 (diff | hist) . . (+1,477) . . N Cache (New page: A cache is a transparent holding place for often used data. The main purpose is to reduce the average latency in retrieving data but it can also greatly reduces traffic to and from the mai...)
- 21:39, 29 January 2007 (diff | hist) . . (+2,043) . . N ARM (New page: ARM7 BLOCK DIAGRAM LPC2119 BLOCK DIAGRAM The ARM architecture (originally the Acorn [[Reduced Inst...)
- 21:37, 29 January 2007 (diff | hist) . . (+679) . . N Microcontroller (New page: A microcontroller (MCU) is a computer-on-a-chip used to control electronic devices. It is a type of microprocessor emphasizing self-sufficiency and cost-effectiveness. A typical microcontr...)
- 21:34, 29 January 2007 (diff | hist) . . (+22) . . Integer
- 21:34, 29 January 2007 (diff | hist) . . (+524) . . N Integer (New page: An integer is one of the following numbers, extending infinitely in both directions (..., -2, -1, 0, 1, 2, ...). The common mathematical symbol is <math>\mathbb{Z}</math> (blackboard bold...)
- 21:33, 29 January 2007 (diff | hist) . . (+1,122) . . N Central processing unit (New page: RISC CPU Schematics Central processing unit (CPU), or sometimes simply processor, is the component in a digital computer that interprets instructions and proc...)
- 21:32, 29 January 2007 (diff | hist) . . (+839) . . N Arithmetic logic unit (New page: The arithmetic logic unit/arithmetic-logic unit (ALU) of a computer's central processing unit (CPU) is a part of the execution unit, a core component of all CPUs. ALUs are capable of c...)
- 21:31, 29 January 2007 (diff | hist) . . (+1,768) . . N Floating-point (New page: Almost all modern computers approximates real numbers by using floating point arithmetic as defined in the IEEE 754 standard. =Single Precision= The IEEE 754 single precision number requ...)
- 21:31, 29 January 2007 (diff | hist) . . (+553) . . N Binary-coded decimal (New page: Binary-coded decimal is an encoding of decimal numbers where each digit is encoded by a fixed number of bits. The most common is to use 4 bits per digit but any number la...)
- 21:30, 29 January 2007 (diff | hist) . . (+306) . . N Radix (New page: Radix (also known as base) is the number of unique symbols (digits), that a positional numeral system contains. '''The most used radixes are:''' *2 - Binary - 0 1 *8 - Octal - 0 1 2 3 4 5...)
- 21:30, 29 January 2007 (diff | hist) . . (+748) . . N Binary number (New page: The binary numeral system is a positional notation with a radix of 2. The symbols used in writing is usually 0 and 1. Each binary digit has double the value of the preceding one, the ...)
- 21:29, 29 January 2007 (diff | hist) . . (+2,672) . . N Multiplication (New page: Observe that computers work with binary numbers. Each bit has either the value 2<sup>n</sup> or zero depending on if 1 or 0 is stored in the memory cell. The sum of all b...)
- 21:28, 29 January 2007 (diff | hist) . . (+2,978) . . N Sorting algorithms (New page: Finding the optimal sorting algorithm for a particular task is difficult. Most comparisons in literature is based on assumptions that makes the conclusions unreliable. The complexity of a ...)
- 21:26, 29 January 2007 (diff | hist) . . (+47,366) . . N Instruction set: x86 (New page: ==Registers== ===IA-32 Architecture=== General Purpose integer (32 bit) EAX EBX ECX EDX ESI EDI EBP ESP Floating point registers (80 bit) st(0)-st(7) (8 level stack) MMX integer r...)
- 21:25, 29 January 2007 (diff | hist) . . (+8,952) . . N Instruction set: PIC (New page: ==PIC 16 instruction set== ===Syntax key=== {| cellpadding="5" cellspacing="0" border="1" |- ! Field !! Description |- | b || Bit address within an 8 bit register |- | d || Destination sel...)
- 21:24, 29 January 2007 (diff | hist) . . (+13,383) . . N Instruction set: ARM (New page: =Description key= {| cellpadding="5" cellspacing="0" border="1" |- ! Field !! Description |- | <> || Optional |- |<nowiki> (x|y)</nowiki> || Either x or y but not both |- | #exp || Consta...)
- 21:23, 29 January 2007 (diff | hist) . . (+22) . . N Category:Microcontrollers (New page: Single chip computing.) (current)
- 21:21, 29 January 2007 (diff | hist) . . (+22) . . N Category:Computing (New page: Hardware and software.) (current)
- 21:21, 29 January 2007 (diff | hist) . . (+34) . . N Category:Experiments (New page: Testing and discovering the truth.) (current)
- 21:21, 29 January 2007 (diff | hist) . . (+33) . . N Category:Electronics (New page: Projects of an electronic nature.) (current)
- 21:21, 29 January 2007 (diff | hist) . . (-3) . . Category:Science (current)
- 21:20, 29 January 2007 (diff | hist) . . (+38) . . N Category:Science (New page: ==Science and theoretical ponderings==)
- 21:18, 29 January 2007 (diff | hist) . . (+34) . . MediaWiki:Sidebar
- 21:16, 29 January 2007 (diff | hist) . . (-10) . . MediaWiki:Sidebar
- 21:14, 29 January 2007 (diff | hist) . . (+248) . . About
- 21:07, 29 January 2007 (diff | hist) . . (+84) . . MediaWiki Modifications
- 21:06, 29 January 2007 (diff | hist) . . (+137) . . MediaWiki Modifications (→MonoBook.php)
- 21:04, 29 January 2007 (diff | hist) . . (+160) . . MediaWiki Modifications (→MonoBook.php)
- 21:01, 29 January 2007 (diff | hist) . . (+91) . . About
- 20:58, 29 January 2007 (diff | hist) . . (+244) . . MediaWiki Modifications (→LocalSettings.php)
- 20:56, 29 January 2007 (diff | hist) . . (+373) . . MediaWiki Modifications (→MonoBook.php)
- 20:52, 29 January 2007 (diff | hist) . . (+34) . . MediaWiki Modifications (→MonoBook.php)
- 20:52, 29 January 2007 (diff | hist) . . (+609) . . N MediaWiki Modifications (New page: == LocalSettings.php == Changes to this file should be added to the end of the file to make sure nothing goes wrong. $wgShowIPinHeader = false; $wgGroupPermissions['*']['createaccount'...)
- 19:19, 29 January 2007 (diff | hist) . . (+67) . . N About (New page: Science Zero runs on [http://www.mediawiki.org MediaWiki] software.)
- 16:48, 29 January 2007 (diff | hist) . . (+108) . . Contact
- 16:46, 29 January 2007 (diff | hist) . . (+48) . . N Contact (New page: You can email us at: zero ta orezecneics tod gro)
- 16:33, 29 January 2007 (diff | hist) . . (+8) . . MediaWiki:Sidebar
- 16:32, 29 January 2007 (diff | hist) . . (-12) . . MediaWiki:Sidebar
- 16:32, 29 January 2007 (diff | hist) . . (+18) . . MediaWiki:Sidebar
- 16:30, 29 January 2007 (diff | hist) . . (+235) . . N MediaWiki:Sidebar (New page: * Contents ** mainpage|mainpage ** portal-url|portal ** currentevents-url|currentevents ** recentchanges-url|recentchanges ** randompage-url|randompage ** helppage|help ** sitesupport-url|...)