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These should be projects or links to projects that are open, at a minimum in the sense that there is enough information so that others can reproduce the project. Lets stay away from sites that are just show cases without the details. | These should be projects or links to projects that are open, at a minimum in the sense that there is enough information so that others can reproduce the project. Lets stay away from sites that are just show cases without the details. | ||
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=== Open hardware stenotype chorded keyboard === | === Open hardware stenotype chorded keyboard === | ||
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[http://www.smartplanet.com/blog/thinking-tech/how-to-make-your-own-tricorder/11058] | [http://www.smartplanet.com/blog/thinking-tech/how-to-make-your-own-tricorder/11058] | ||
− | === | + | === N8VEM Home Brew Computing Project === |
− | The | + | The N8VEM Single Board Computer (SBC) is a home brew Z80 small computer project. It is made in the style of vintage computers of the mid to late 1970's and early 1980's using a mix of classic and modern technologies. Its purpose is to entertain through education. It is intended to be used to teach and promote principles of electronic computer design. It is a solely non-profit educational project and is not intended for any commercial application. Please see the wiki for detailed information on the N8VEM project. |
[http://groups.google.com/group/n8vem N8VEM Mailing List] | [http://groups.google.com/group/n8vem N8VEM Mailing List] | ||
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[http://n8vem-sbc.pbwiki.com/ N8VEM wiki] | [http://n8vem-sbc.pbwiki.com/ N8VEM wiki] | ||
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== Home Power - Off the Grid Projects == | == Home Power - Off the Grid Projects == | ||
− | === Maximum | + | === Maximum power point trackers === |
− | + | The [http://www.freechargecontroller.org Free Charge Controller] project is designing a [[maximum power point tracker]]. | |
− | + | Definitionofis is designing a [[MPPT Solar and Wind Power Boost Charge Controller]] to match and boost low voltages to higher voltage, 12v, 24v or 48v batteries. | |
− | Maximum power point tracking | + | Maximum power point tracking allows a solar panel, wind turbine, etc to achieve maximum efficiency. |
=== [[Fridge Defrost Timer with Solar Trigger Option]] === | === [[Fridge Defrost Timer with Solar Trigger Option]] === | ||
− | The [ | + | The [http://www.youtube.com/watch?v=62LHITkTCMs project video] shows a fridge timer which can be set to trigger during high battery voltage sunny days so the defrost cycle never uses valuable battery power. It is switchable to act like a regular defrost timer for long cloudy stretches of time, like winter. |
=== [[Solar panel rotator motor power with auto-shut-off]] === | === [[Solar panel rotator motor power with auto-shut-off]] === | ||
− | The [ | + | The [http://www.youtube.com/watch?v=yCeiL8_Uw2U project video] shows a way to power solar panel rotator motors from a solar panel, supplemented by a walladapter. |
=== Bioengineering Photovoltaic Semiconductors within a distributed-source 3D-printing system & project === | === Bioengineering Photovoltaic Semiconductors within a distributed-source 3D-printing system & project === | ||
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My "GNU Organic Photovoltaic" project to use Synthetic Biology and Open Manufacturing towards freely-distributable organic, thin-film solar panels printable with RepRap: http://openwetware.org/wiki/User:Giovanni_Lostumbo#Technical_Synopsis. | My "GNU Organic Photovoltaic" project to use Synthetic Biology and Open Manufacturing towards freely-distributable organic, thin-film solar panels printable with RepRap: http://openwetware.org/wiki/User:Giovanni_Lostumbo#Technical_Synopsis. | ||
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== Scoring Machine for Fencing == | == Scoring Machine for Fencing == | ||
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* Highly immune to multipath fading, interference | * Highly immune to multipath fading, interference | ||
* 5mS Channel Dwell Time | * 5mS Channel Dwell Time | ||
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== Serial Communication Protocols == | == Serial Communication Protocols == | ||
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Several [[hardware random number generator]] projects are open source. | Several [[hardware random number generator]] projects are open source. | ||
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== Other Lists of Semi-Open Projects == | == Other Lists of Semi-Open Projects == |