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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		 9 692 doctor electrons
Sat Jun 25 2011, 06:55PM
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recondition sealed lead acid battery?
alf
Fri Jun 24 2011, 08:04PM		 4 642 Fraggle
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What is this?
Chip Fixes
Wed Jun 22 2011, 06:14PM		 8 858 Killa-X
Thu Jun 23 2011, 07:49PM
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Physics of doped Silicon: carrier density and fermi level
hboy007
Thu Jun 23 2011, 06:33PM		 1 635 hboy007
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disposable camera circuit polarity
kimbomba
Tue Jun 21 2011, 03:28AM		 3 658 kimbomba
Wed Jun 22 2011, 09:43PM
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Magnetron cavity formula Go to page: 1 2 3
Coronafix
Thu Jun 16 2011, 12:44AM		 20 2184 Ash Small
Wed Jun 22 2011, 12:14PM
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Big garbage day fun. Go to page: 1 2
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Mon Jun 20 2011, 01:12AM		 12 2189 Conundrum
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Copenhagen Suborbitals, launch of rocket/spacecraft Go to page: 1 2
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Tue Jun 21 2011, 07:14PM
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Recharge a cell phone by moving
Chip Fixes
Tue Jun 21 2011, 04:48AM		 3 670 Forty
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simple plans for a magetic levitator?
haxor5354
Tue Jun 21 2011, 03:40AM		 2 578 currentkills91
Tue Jun 21 2011, 04:03AM
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Difference between wires Go to page: 1 2
Chip Fixes
Tue Jun 07 2011, 09:18PM		 11 1459 ConKbot of Doom
Tue Jun 21 2011, 03:17AM
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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 2887 Thomas W
Mon Jun 20 2011, 02:18PM
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Variable source for ZVS
RodnabioHV
Sun Jun 19 2011, 04:01PM		 2 634 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		 9 998 mikeselectricstuff
Sun Jun 19 2011, 12:36AM
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Opinions on two o-scopes
rp181
Fri Jun 17 2011, 01:45AM		 5 773 GeordieBoy
Sat Jun 18 2011, 07:08PM
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Electronic halogen smps?
Platinum
Tue Jun 14 2011, 05:55PM		 9 1227 Platinum
Sat Jun 18 2011, 04:13PM
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RF Symbol Recovery and Nyquist Criterion
deef
Fri Jun 10 2011, 07:09PM		 8 966 Dr. Slack
Thu Jun 16 2011, 04:45PM
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Will this work?
currentkills91
Wed Jun 15 2011, 04:41AM		 7 717 Adam Munich
Thu Jun 16 2011, 04:32AM
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Running a car off HHO Go to page: 1 2 3 4 5
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Mon Jun 06 2011, 04:06AM		 43 3868 Fraggle
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Help on PSU short circuit shut down
JamesH
Tue Jun 14 2011, 07:27PM		 2 657 Arcstarter
Wed Jun 15 2011, 01:53AM
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Possible source of cheap flash chips?
Conundrum
Mon Jun 13 2011, 10:43AM		 3 603 Conundrum
Tue Jun 14 2011, 07:31PM
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SMPS Noise Reducing Tips Go to page: 1 2
MRacerxdl
Wed Jun 08 2011, 07:47PM		 12 5460 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		 1 433 rp181
Sun Jun 12 2011, 03:45PM
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DIY PCB, Complete Tutorial
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Sun Jun 12 2011, 05:44AM		 3 576 Conundrum
Sun Jun 12 2011, 11:20AM
No new posts on popular topic
Making an electrolytic Capacitor... Go to page: 1 2
Inducktion
Fri Jun 10 2011, 01:08PM		 13 1078 magnet18
Fri Jun 10 2011, 10:20PM
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