DocScrutinizer05 changed the topic of #qi-hardware to: Copyleft hardware - http://qi-hardware.com | hardware hackers join here to discuss Ben NanoNote, atben / atusb 802.15.4 wireless, and other community driven hw projects | public logging at http://en.qi-hardware.com/irclogs and http://irclog.whitequark.org/qi-hardware
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<DocScrutinizer51> cheap tel
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<whitequark> hm, so, my hairdryer died on me yesterday (poor isolation + heat = catastrophic failure), so now I have some nichrome wire
<whitequark> I want to make a heater for etching, but not sure what to use for the aggressive environment
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<whitequark> so, I put it into a silicone rubber tube and sealed it with silicone
<whitequark> my calculations suggest that at 40° outer temp and 100° inner temp (silicone rubber can surely withstand that), there would be about 300-350W of power transfer per meter of tube
<whitequark> which should be plenty
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<wpwrak> grmbl. chromium seems to have learned how to crash the nouveau driver (and take the rest of the system with it). work-around: NoAccel True :-(
<wpwrak> lovely scrolling in xchat now ...
<sb0> just use the proprietary driver (-:C
<sb0> and yeah, chromium doesn't play nice with buggy GPUs
<whitequark> ooo, I just had an idea about exposing resist with film negatives
<whitequark> specifically how to closely press the negatives to the PCB surface
<whitequark> make a vacuum table!
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<wpwrak> sb0: with noaccel, chromium is actually pretty good. but all the rest sucks :(
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<sb0> whitequark, what about air bubbles trapped between the pcb and the film?
<whitequark> sb0: since the film is not sticky--it's just a PET film for laser printer, not the photoresistive one--there will be no bubbles
<whitequark> if direct laser imaging fails, that's what I will use
<whitequark> that reminds me, I need some scrap printer
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<eintopf> everyone wants a atusb
<eintopf> :D
<wpwrak> a few do ... alas, not enough to motivate someone to make a production run, it seems
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<eintopf> mhh. okay.
<eintopf> wpwrak: now I have more motivation to improve the linux implementation
<wpwrak> ;-)
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