WikiNode

Welcome to Open Circuits. Open Circuits is a wiki for sharing electronics knowledge, schematics, board layouts, and parts libraries.

key points of interest

• Main Page
• Open_Circuits:Community_Portal
• Projects
  • open hardware cell phone projects: Open Mobile Gadgets, Cellular Rotary Phone
• Components
• Techniques

wiki-nodes of neighboring wiki

The WikiNode project tries to link every wiki in the world together. Our "WikiNode" links to closely-related wiki (and their WikiNode links back).

If you want to talk about something that is not quite on-topic here at Open Circuits (say, "desktop PC case modding", or "embedded Linux programming"), our WikiNode helps you find another wiki where people love to talk about that exact topic. The corresponding WikiNode on each of those wiki helps people who want to talk about "open hardware" to discover this wiki.

medical electronics wiki

• Open Prosthetics Project Wiki
• OpenWetWare wiki promotes "the sharing of information, know-how, and wisdom among researchers and groups who are working in biology & biological engineering." Some wiki pages describe "open hardware" electronic devices used as tools in those projects -- for example, open-hardware gel electrophoresis chambers.
• the OpenEEG wiki discusses building an OpenEEG, safe ways to attach it to your head, and software for it. (See also Programmable Chip EEG).

open hardware cell phone wiki

• TuxPhone wiki at http://opencellphone.org/
• Homebrew Mobile Phone Club wiki at http://hbmobile.org/wiki/
• OpenCell wiki at http://widgetry.org/dokuwiki/
• OpenMoko wiki at http://wiki.openmoko.org/ discusses open hardware cell phone you can buy now.
• wiki for open-source software for a popular (but proprietary hardware) phone

other open wireless communications wiki

• Amateur Radio Wiki Online Encyclopedia for Hams
• WSN, the Wireless Sensor Network wiki discusses wireless sensor networks. (wired sensor network discussion is also tolerated :-).
• Reference Digital Camera Digital Camera Reviews (not a wiki?)
• a wiki for RONJA (Reasonable Optical Near Joint Access) Free Space Optics device[1]. ("free technology" is the same as "open hardware", right?)
• OpenWRT wiki: "OpenWrt is an open source project to create a free embedded operating system for network devices."
• nfc-tools: libnfc and other open-source projects for near-field communication (NFC).

microcontroller wiki

• the Gainer wiki discusses the Cypress PSoC microcontroller
• the Atmel AVR wiki discusses the Atmel AVR series of microcontrollers (see also the Arduino wiki)
• the PICList at the massmind and PiciWiki discusses the Microchip PIC series of microcontrollers
• the ARM microcontroller wiki
• the GNUSim8085 wiki for the Intel 8085 microprocessor
• Nios community wiki discusses the Nios II processor, and how to implement it on a FPGA
• the JOP wiki discusses the Java Optimized Processor, a simple and small Java processor optimized to execute Java bytecode, implemented in a low cost FPGA
• the OpenSPARC Wiki discussing open-source versions of the SPARC processor architecture, including implementing it in a FPGA
• the Axis Developer wiki discussing ETRAX CPUs and other Axis chips.
• ICwiki: the official wiki at microchip.com for Microchip PICmicro microcontrollers etc. needs wikinode
• Propeller wiki: dedicated to documenting interesting stuff related to the Parallax Propeller microcontroller. needs wikinode
• Texas Instruments Embedded Processors Wiki: the official wiki at ti.com for discussing the MSP430 (a 16-bit, ultra-low power, mixed signal microcontroller), TI DSPs, the TI OMAP (used to run Linux in the "open source handheld" Pandora handheld game console, the Beagle Board, and the Gumstix Overo) and other ARM-based processors, and other TI processors.

computer architecture wiki

We briefly touch on computer architecture on a few Open Circuits pages. ( Kestrel, Multi-purpose Embedded System, relay CPU ). For far more details, see other wiki such as

• "Microprocessor Design" wikibook, a rough draft of a book
• "Computer Architecture lab" Wikiversity (focuses entirely on CPU-in-a-FPGA designs)
• "Q&A site for Computer Architecture & Organization" (is this really a wiki?)
• "The Art of Computer Architecture" by Andy Glew, a rough draft of a book
• Freedom CPU wiki

vehicles and robots and CNC

• the RepRap wiki discusses the RepRap project to build a "Replicating Rapid-prototyper", a self-copying 3D printer. "Complete open-source instructions and plans are published on this website for zero cost and available to everyone so, if you want to make one yourself, you can."
• EV production wiki discusses several electric open source vehicles.
• OpenServo wiki -- developing a digital servo motor that accepts "Go to position X" commands and also more complex curves, and returns actual servo position, speed, voltage and power consumption.
• Robotics wiki (offline as of 2007-07-07)
• the PMinMO.com wiki describes an open-source CNC machine -- software, electronics, motors, hardware, etc. -- and related information, such as CNC PCB milling. (was: [2] ) needs WikiNode
• VEMS wiki has some interesting electronics projects. In particular, the GoBox project to tune automobile engines to minimize the amount of fuel used. needs wikinode
• JMRI wiki ( http://editthis.info/JMRI ) The JMRI project is building tools for model railroad computer control.
• the DCC wiki ( http://dccwiki.com/ ) ("Digital Command Control") discusses computer-controlled model railroads.
• the ladyada.net wiki: discusses open source benchtop tools, laser cutters, and electronics DIY/hobbyists. needs wikinode
• the EcoModder wiki discusses various ways to measure and improve vehicle gas economy, including "MPGuino is an open source fuel economy computer (Arduino based) for any vehicle with electronic fuel injection and a Vehicle Speed Sensor."
• MakerBot Wiki
• ArduCopter wiki discusses ArduiCopter, the Arduino-based autopilot for multi-rotor craft, from quadcopters to traditional helis. From the DIY Drones development team. The open-hardware electronics connects gyros, magnetometers, accelerometers, GPS reciever, RC reciever, etc., and drives 2, 4, 6, or 8 rotors in a variety of configurations to give autolevel and auto altitude control and stabilized RC control.
• MultiWii is a software to control a RC multi copter. Supports various sensors but was initially developed to support Nintendo Wii console gyroscopes and accelerometers.

other related wiki

For open source software (or open source in general) visit the Open Source Wikia.

• KiCad is a GPL'd suite of programs for EDA (electronic design automation).
• KiCadHowTo has tutorials and other information to help you quickly become a fluent KiCad user.
• Rockbox wiki is an open source firmware for mp3 players, written from scratch. It runs on a wide range of players. It nicely complements the Music Player hardware we discuss here.
• open source product design is this really a wiki?
• the advanced civilization wiki discusses "Open collaborative design", which seems to include the sort of open hardware designs we share at Open Circuits.
• the Electronics Chat wiki
• the openEyes wiki discusses an open-source open-hardware toolkit for low-cost real-time eye tracking.
• Computer Component wiki "for computer and electronics enthusiasts to learn and contribute to an online database of computer hardware and electronics with an emphasis on how-to guides."
• the NSLU2-Linux development group seems to do a lot of wiring and soldering. needs wiki-node
• Wiki Devices "a highly organized repository for objective information, as well as opinions on consumer electronics."
• the Build Your Own Arcade controls wiki
• the gEDA wiki discusses "the gEDA project" -- developing a full GPL‘d suite of Electronic Design Automation tools (electrical circuit design, schematic capture, simulation, prototyping, and printed circuit board (PCB) layout.

• dorkbot: Artists, inventors, scientists, engineers. The exciting thing to me is to learn about strange things that creative people are doing around the world, with no regard for genre, style, school of thought, area of expertise, etc. ... committed to the idea of "availability over promotion", meaning their main concern is to help things exist, rather than making hits or selling lots of copies.
  • the mightyohm.com wiki discusses where to get supplies and tools for working with electronics. The sysop is apparently a member of Dorkbot SF.
  • the global dorkbot wiki
  • DorkbotPDX: people doing strange things with electricity in Portland
  • dorkbotlondon in London
  • dorkbot ALBA wiki

• the Embedded Systems wikibook
• the Practical Electronics wikibook
• the sensor wiki
• the LinuxTV wiki occasionally has some chip-level information, such as the I2C protocol and sampling analog data at 16 bits and 448000 Samples per second with a BT878 chip
• WikiHowto occasionally has electronic projects such as WikiHowto: Howto build an ultra low power clock with a large period
• The Open Graphics Project (OGP) is developing graphics cards with fully published specs and open source drivers. Since the first version will be a FPGA, is also collecting information on FPGA programming and interfacing. Supported by Traversal Technology. (was at http://wiki.duskglow.com/ )
• the Open Hardware wiki has electronics projects of various levels of complexity; the most complicated appears to be "KAD", a FPGA on a PCI card designed for reconfigurable computing.
• Protel users wiki, for people who design and draw schematics and circuit boards with Protel.
• Open Component Project a shared repository of public domain symbols, footprints, and 3D component models for use in electronic design automation (EDA) software.

CPU board wiki

• various small CPU modules that have their own wiki (see also ARMUS Embedded Linux Board and other motherboards that run Linux)
  • the embedded Linux wiki has information on running Linux on several small ARM-based embedded systems. Also TexasInstruments OMAP processors.
  • Linux Robots -- robots that run Linux
  • Balloonboard Wiki for the Balloon Project. They have developed a small single-board computer that can run Linux. Also discusses "The Balloon Open Hardware License (BOHL) ... The license is intended as a general purpose open hardware license".
  • gumstix wiki : "Schematics and layouts for all gumstix expansion boards are available under a Creative Commons license." needs wikinode
  • Virtual Cogs wiki describes a CPU board that uses a stacking connector system.
  • the emQbit wiki discusses "The Free ECB_AT91 V1 is a Single Board Computer made by emQbit. You can download the specs and build your own." based on a 180 MHz ARM9 processor (Atmel AT91RM9200); runs Linux.
  • The BeagleBoard runs Linux. The embedded Linux wiki discusses BeagleBoard, and the BeagleBoard wiki at Google also has good tips.
  • Arduino playground discusses the Arduino board based on the Atmel AVR ATmega168. (See also the Atmel AVR wiki).
  • Elphel wiki discusses the free software and open hardware inside Elphel cameras. That hardware includes a FPGA that handles video processing and video compression, and a ETRAX FS processor that runs Linux.
  • the LeafLabs Wiki discusses the Maple, a Arduino-compatible board that uses an ARM processor, and other stuff from LeafLabs. needs WikiNode

other related wiki

• the OpenJTAG wiki ( http://openjtag.net/ )
• the Analog wiki "The Wiki for Design & Verification Engineers by Design & Verification Engineers."
• the Hardware Book. Internet's largest free collection of connector pinouts and cable descriptions. needs WikiNode
• the OpenFPGA wiki needs WikiNode
• the CATkit wiki: CATkit is an open hardware project designed as a standalone interactive Forth computer for audio sound artists. (Based on Microchip PIC 18F).
• the OpenBIOS project wiki discusses several free and open source implementations of IEEE 1275-1994 (also called "Open Firmware"). Open Firmware allows expansion cards to provide a "boot ROM" that works all common platforms, like x86, AMD64, PowerPC, ARM and Mips.
• the OpenBook wiki discusses OpenBook, an open source hardware and software project designing a computer tablet ... Everyone can contribute and help to shape the OpenBook hardware and software specifications.
• Chaos Communication Camp wiki
• Tubeopedia.com discusses vacuum tube technology and science, circuits, theory, people and equipment related to vacuum tubes.
• OpenCircuitDesign.com , the other Open Circuit Wiki discusses mostly free tools for designing integrated circuits.
• Linux1394 Wiki discusses FireWire on Linux and related device drivers, tools, libraries, and hardware. needs wikinode
• RFID Guardian wiki discusses an open hardware project designed to guard privacy. needs wikinode
• Wikitronics wikia needs wikinode
• SDIY wiki for learning and sharing knowledge about making, modifying, or repairing electronic musical instruments and related equipment.
• Swarmwiki, a wiki for an open hardware group that build swarms of semi-autonomous spherical robots. needs wikinode
• tgimboej wiki discusses The Great Internet Migratory Box Of Electronics Junk, and the "open source oriented hardware hackers" who receive it. needs wikinode
• The DataFlow wiki is a wiki about art, new medias, electronics, interaction design, Python, PureData and other dataflow languages.
• Wockets open-source hardware is a wiki about developing low-cost sensors for measuring physical activity on mobile phones.
• Synthesizers.com wiki "up-to-date information about synthesizers, patches, modifications, etc." needs wikinode
• bicycleledpov wiki: A bicycle visual LED artwork
• Micropendous wiki: Open Hardware Development Boards for the Atmel's Full-Speed (12Mbit/s) USB AVR Microcontrollers (AT90USB162, ATmega32U4, AT90USB646, AT90USB1287)
• Noisebridge Noisebridge is an infrastructure provider for technical-creative projects, collaboratively run by its members
• Wikiants do-it-yourself (in German) has a section on Wikiants: open hardware.
• Qi hardware wiki: Qi's mission is to promote and encourage the development of copyleft hardware.

---

Please add closely-related wiki. Keep the 7 or so of the most-closely-related wiki. Move less-relevant wiki to WikiIndex.

Are any of the wiki listed at http://www.communitywiki.org/odd/SoftwareBazaar/MicrocontrollerProgramming relevant enough to list here?