April 2009
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Upgrading to version 6.0
I’m in the process of upgrading a set of ISO8583 servers for a client. One of these is the original server that caused The Server Framework to come into existence back in 2002. The other two servers are based on a 2005 cut of the … -
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L'Hexapod: Welcome
Previously published This article was previously published on lhexapod.com as part of my journey of discovery into robotics and embedded assembly programming. A full index of these articles can be found here. Hi, my name is Len Holgate and … -
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L'Hexapod: A-pod, an ant inspired hexapod
Previously published This article was previously published on lhexapod.com as part of my journey of discovery into robotics and embedded assembly programming. A full index of these articles can be found here. This is the kind of thing that … -
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L'Hexapod: Micromagic systems
Previously published This article was previously published on lhexapod.com as part of my journey of discovery into robotics and embedded assembly programming. A full index of these articles can be found here. Micromagic systems do robotics … -
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L'Hexapod: Servos with status feedback
Previously published This article was previously published on lhexapod.com as part of my journey of discovery into robotics and embedded assembly programming. A full index of these articles can be found here. I saw these Dynamixel DX servos … -
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L'Hexapod: Useful links and suppliers
Previously published This article was previously published on lhexapod.com as part of my journey of discovery into robotics and embedded assembly programming. A full index of these articles can be found here. So far most of my more … -
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L'Hexapod: Pulse width modulation for servo position control
Previously published This article was previously published on lhexapod.com as part of my journey of discovery into robotics and embedded assembly programming. A full index of these articles can be found here. First some basics: servo motors … -
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Custom application servers
A lot of the custom development work that we do for our customers can be classified as developing ‘custom application servers’. Development for these kinds of servers usually requires that we design a wire-protocol for … -
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L'Hexapod: The servos are twitching
Previously published This article was previously published on lhexapod.com as part of my journey of discovery into robotics and embedded assembly programming. A full index of these articles can be found here. My package from Cool Components … -
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L'Hexapod: Prototype leg v0.1
Previously published This article was previously published on lhexapod.com as part of my journey of discovery into robotics and embedded assembly programming. A full index of these articles can be found here. I spent a little time at the … -
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Bug fix for the free server framework code
A user of my free server framework code has reported an error and supplied a fix. The problem is that he’s been having connections closing and returning ERROR_CONNECTION_ABORTED and the free code doesn’t handle this situation … -
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Interesting piece on thread pools
Herb Sutter has just published an interesting article over at DDJ on correctly using thread pools: Use Thread Pools Correctly: Keep Tasks Short and Nonblocking. It’s not rocket science and it doesn’t deal with platform issues … -
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L'Hexapod: Thoughts on the proto leg
Previously published This article was previously published on lhexapod.com as part of my journey of discovery into robotics and embedded assembly programming. A full index of these articles can be found here. The prototype leg has some … -
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L'Hexapod: First steps in embedded programming; first build the hardware...
Previously published This article was previously published on lhexapod.com as part of my journey of discovery into robotics and embedded assembly programming. A full index of these articles can be found here. This week I managed to scrape … -
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L'Hexapod: More thoughts on the proto leg
Previously published This article was previously published on lhexapod.com as part of my journey of discovery into robotics and embedded assembly programming. A full index of these articles can be found here. I adjusted my quick and dirty … -
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L'Hexapod: Once more with feeling
Previously published This article was previously published on lhexapod.com as part of my journey of discovery into robotics and embedded assembly programming. A full index of these articles can be found here. Having decided that the … -
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L'Hexapod: Books for programming an AVR micro
Previously published This article was previously published on lhexapod.com as part of my journey of discovery into robotics and embedded assembly programming. A full index of these articles can be found here. So far I’ve bought three … -
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May your software scale, and other curses...
I’m in the process of upgrading another client to v6.0. These guys write multi-user game systems and have a fairly complex CLR hosting custom application server. Anyway, I was hoping that we’d have a few easy performance wins … -
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L'Hexapod: The servo controller problems weren't power supply noise...
Previously published This article was previously published on lhexapod.com as part of my journey of discovery into robotics and embedded assembly programming. A full index of these articles can be found here. I’ve been testing the new … -
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L'Hexapod: Arduino multiple serial disappointment
Previously published This article was previously published on lhexapod.com as part of my journey of discovery into robotics and embedded assembly programming. A full index of these articles can be found here. Tonight I took a look at the …
