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Forums
4hv.org :: Forums :: General Science and Electronics
4hv.org :: Forums :: General Science and Electronics
General Science and Electronics Forum
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Etching circuit boards, using the rub-on dry transfers.
Patrick
Fri Jun 24 2011, 08:52PM		 9 664 doctor electrons
Sat Jun 25 2011, 06:55PM
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recondition sealed lead acid battery?
alf
Fri Jun 24 2011, 08:04PM		 4 608 Fraggle
Sat Jun 25 2011, 12:46AM
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What is this?
Chip Fixes
Wed Jun 22 2011, 06:14PM		 8 825 Killa-X
Thu Jun 23 2011, 07:49PM
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Physics of doped Silicon: carrier density and fermi level
hboy007
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disposable camera circuit polarity
kimbomba
Tue Jun 21 2011, 03:28AM		 3 614 kimbomba
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Magnetron cavity formula Go to page: 1 2 3
Coronafix
Thu Jun 16 2011, 12:44AM		 20 2056 Ash Small
Wed Jun 22 2011, 12:14PM
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Big garbage day fun. Go to page: 1 2
Adam Munich
Mon Jun 20 2011, 01:12AM		 12 2020 Conundrum
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Wed Jun 01 2011, 08:21PM		 12 1306 Patrick
Tue Jun 21 2011, 07:14PM
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Recharge a cell phone by moving
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Tue Jun 21 2011, 04:48AM		 3 639 Forty
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simple plans for a magetic levitator?
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Tue Jun 07 2011, 09:18PM		 11 1322 ConKbot of Doom
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This toaster isn't UL approved. Go to page: 1 2 3 4
Adam Munich
Sun Dec 05 2010, 10:38PM		 31 2712 Thomas W
Mon Jun 20 2011, 02:18PM
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Variable source for ZVS
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Sun Jun 19 2011, 04:01PM		 2 591 Adam Munich
Sun Jun 19 2011, 07:47PM
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Power transfer over cat5 (or other thin cable)
uzzors2k
Wed Jun 15 2011, 01:58PM		 9 932 mikeselectricstuff
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Opinions on two o-scopes
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Fri Jun 17 2011, 01:45AM		 5 740 GeordieBoy
Sat Jun 18 2011, 07:08PM
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Electronic halogen smps?
Platinum
Tue Jun 14 2011, 05:55PM		 9 1167 Platinum
Sat Jun 18 2011, 04:13PM
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RF Symbol Recovery and Nyquist Criterion
deef
Fri Jun 10 2011, 07:09PM		 8 931 Dr. Slack
Thu Jun 16 2011, 04:45PM
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Will this work?
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Wed Jun 15 2011, 04:41AM		 7 677 Adam Munich
Thu Jun 16 2011, 04:32AM
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Mon Jun 06 2011, 04:06AM		 43 3472 Fraggle
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Help on PSU short circuit shut down
JamesH
Tue Jun 14 2011, 07:27PM		 2 585 Arcstarter
Wed Jun 15 2011, 01:53AM
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Possible source of cheap flash chips?
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Mon Jun 13 2011, 10:43AM		 3 556 Conundrum
Tue Jun 14 2011, 07:31PM
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SMPS Noise Reducing Tips Go to page: 1 2
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Wed Jun 08 2011, 07:47PM		 12 5191 2Spoons
Mon Jun 13 2011, 12:41AM
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Designing a DRC for a 8 layer PCB
rp181
Sun Jun 12 2011, 03:45PM		 1 403 rp181
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DIY PCB, Complete Tutorial
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Sun Jun 12 2011, 05:44AM		 3 536 Conundrum
Sun Jun 12 2011, 11:20AM
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Making an electrolytic Capacitor... Go to page: 1 2
Inducktion
Fri Jun 10 2011, 01:08PM		 13 948 magnet18
Fri Jun 10 2011, 10:20PM
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