 | | Re: NQC and RCXCC
| Ahui Herrera
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(...) he,he,he... I'm going to bring back a 12 year old thread. I'm using Windows XP and cannot figure out how to set the NQC_OPTIONS=-Trcx2 option. Any idea? -Ahui (1 year ago, 1-Feb-12, to lugnet.robotics.rcx.nqc)
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| | Re: Controlling an Electromagnet (LSM)
| Brian Davis
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(...) Or... avoid both stock relays and chip-based switching. For a linear motor you want to trigger each electromagnet in a series, you ideally you might like a "push-pull" system, where you aren't just turning a magnet on and off, but reversing (...) (1 year ago, 31-Dec-11, to lugnet.robotics.rcx)
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| | Re: Controlling an Electromagnet (LSM)
| Kevin Karplus
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Iain, How much power do you want for the electromagnets, and how rapidly do you need to switch them on and off? Old-fashioned relays will give you the least power loss, but can't be switched very quickly. They also have a limited life (between 10 (...) (1 year ago, 24-Dec-11, to lugnet.robotics.rcx)
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| | Controlling an Electromagnet (LSM)
| Iain Hendry
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Hi all, It's been a while! A long while ago, while in elementary school, I used LEGO to build a manually-operated Linear Synchronous Motor (LSM) for a science fair project. I want to revisit this as an adult and built a full test track with a couple (...) (1 year ago, 24-Dec-11, to lugnet.robotics.rcx)
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| | Re: BrickOS Patches and Development
| Matthew Sheets
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The Bibo Patch Rollup Collection posted to SourceForge at (URL) been updated. New for this update are patches 43 and 44 43: Per the report from SourceForge user bollinge, Cygwin no longer has a problem building printf.c. A Cygwin-specific (...) (1 year ago, 15-Nov-11, to lugnet.robotics.rcx.legos)
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