Main Menu
bullet Home
bullet Forum
bullet Members
bullet Member Map
bullet HvWiki
bullet Chat Room
bullet Submit News
bullet Site Rules
bullet Archives
bullet Visits
bullet Forum
Welcome
Username or Email:

Password:


Missing Code




[ ]
[ ]
Online
  • Guests: 12
  • Members: 0
  • Newest Member: omjtest
  • Most ever online: 396
    Guests: 396, Members: 0 on 12 Jan : 12:51
Members Birthdays:
All today's birthdays', congrats!
BlakFyre (37)
SENTRY (32)


Next birthdays
04/30 BlakFyre (37)
04/30 SENTRY (32)
05/01 Shaun (35)
Contact
If you need assistance, please send an email to forum at 4hv dot org. To ensure your email is not marked as spam, please include the phrase "4hv help" in the subject line. You can also find assistance via IRC, at irc.shadowworld.net, room #hvcomm.
Support 4hv.org!
Donate:
4hv.org is hosted on a dedicated server. Unfortunately, this server costs and we rely on the help of site members to keep 4hv.org running. Please consider donating. We will place your name on the thanks list and you'll be helping to keep 4hv.org alive and free for everyone. Members whose names appear in red bold have donated recently. Green bold denotes those who have recently donated to keep the server carbon neutral.


Special Thanks To:
  • Aaron Holmes
  • Aaron Wheeler
  • Adam Horden
  • Alan Scrimgeour
  • Andre
  • Andrew Haynes
  • Anonymous000
  • asabase
  • Austin Weil
  • barney
  • Barry
  • Bert Hickman
  • Bill Kukowski
  • Blitzorn
  • Brandon Paradelas
  • Bruce Bowling
  • BubeeMike
  • Byong Park
  • Cesiumsponge
  • Chris F.
  • Chris Hooper
  • Corey Worthington
  • Derek Woodroffe
  • Dalus
  • Dan Strother
  • Daniel Davis
  • Daniel Uhrenholt
  • datasheetarchive
  • Dave Billington
  • Dave Marshall
  • David F.
  • Dennis Rogers
  • drelectrix
  • Dr. John Gudenas
  • Dr. Spark
  • E.TexasTesla
  • eastvoltresearch
  • Eirik Taylor
  • Erik Dyakov
  • Erlend^SE
  • Finn Hammer
  • Firebug24k
  • GalliumMan
  • Gary Peterson
  • George Slade
  • GhostNull
  • Gordon Mcknight
  • Graham Armitage
  • Grant
  • GreySoul
  • Henry H
  • IamSmooth
  • In memory of Leo Powning
  • Jacob Cash
  • James Howells
  • James Pawson
  • Jeff Greenfield
  • Jeff Thomas
  • Jesse Frost
  • Jim Mitchell
  • jlr134
  • Joe Mastroianni
  • John Forcina
  • John Oberg
  • John Willcutt
  • Jon Newcomb
  • klugesmith
  • Leslie Wright
  • Lutz Hoffman
  • Mads Barnkob
  • Martin King
  • Mats Karlsson
  • Matt Gibson
  • Matthew Guidry
  • mbd
  • Michael D'Angelo
  • Mikkel
  • mileswaldron
  • mister_rf
  • Neil Foster
  • Nick de Smith
  • Nick Soroka
  • nicklenorp
  • Nik
  • Norman Stanley
  • Patrick Coleman
  • Paul Brodie
  • Paul Jordan
  • Paul Montgomery
  • Ped
  • Peter Krogen
  • Peter Terren
  • PhilGood
  • Richard Feldman
  • Robert Bush
  • Royce Bailey
  • Scott Fusare
  • Scott Newman
  • smiffy
  • Stella
  • Steven Busic
  • Steve Conner
  • Steve Jones
  • Steve Ward
  • Sulaiman
  • Thomas Coyle
  • Thomas A. Wallace
  • Thomas W
  • Timo
  • Torch
  • Ulf Jonsson
  • vasil
  • Vaxian
  • vladi mazzilli
  • wastehl
  • Weston
  • William Kim
  • William N.
  • William Stehl
  • Wesley Venis
The aforementioned have contributed financially to the continuing triumph of 4hv.org. They are deserving of my most heartfelt thanks.
Forums
4hv.org :: Forums :: General Science and Electronics
4hv.org :: Forums :: General Science and Electronics
General Science and Electronics Forum
first  24 25 26 27 28 29 30 31 32 33  last
Create a new topic
  Topic Starter Replies Views Last Post
No unread posts
Four winged robot flies like a jellyfish - New Scientist
Proud Mary
Thu Nov 28 2013, 01:40PM		 2 611 Nik
Thu Nov 28 2013, 01:48PM
No unread posts
semi-universal small battery connector
klugesmith
Wed Nov 27 2013, 11:50PM		 3 648 ConKbot of Doom
Thu Nov 28 2013, 12:41AM
No unread posts
Help selecting DC-DC converter topology for capacitor charger
ConKbot of Doom
Tue Nov 26 2013, 06:43PM		 4 787 ConKbot of Doom
Wed Nov 27 2013, 05:54PM
No unread posts
Induction Heater: Where to Start?
koolksmart
Wed Nov 20 2013, 08:32AM		 4 914 koolksmart
Wed Nov 27 2013, 04:22PM
No unread posts
Bizarre battery birth
klugesmith
Sat Nov 23 2013, 04:50AM		 7 919 radiotech
Mon Nov 25 2013, 10:09AM
No new posts on popular topic
High temp plasics? Go to page: 1 2
Ben Solon
Mon Nov 18 2013, 12:02AM		 11 1219 Carbon_Rod
Mon Nov 25 2013, 05:28AM
No new posts on popular topic
Ultralow Voltage Step-Up Converters Go to page: 1 2
Carbon_Rod
Wed Nov 20 2013, 12:56PM		 12 1582 radiotech
Mon Nov 25 2013, 03:06AM
No unread posts
Fake Componets
Thomas W
Mon Jun 25 2012, 08:53PM		 9 2067 Conundrum
Sat Nov 23 2013, 04:44AM
No unread posts
Sun will 'flip upside down' within weeks, says Nasa
Proud Mary
Fri Nov 15 2013, 10:29PM		 9 1000 Conundrum
Wed Nov 20 2013, 08:55AM
No new posts on popular topic
Simple and low cost MOSFET gate driver. Go to page: 1 2
Storken
Mon Nov 18 2013, 12:16AM		 11 2440 Storken
Tue Nov 19 2013, 08:35AM
No unread posts
proper way to measure volumes under pressure
IamSmooth
Sun Nov 17 2013, 06:42PM		 3 611 Dr. Slack
Sun Nov 17 2013, 09:02PM
No new posts on popular topic
650VDC from 3x400VAC 3 phase Go to page: 1 2
Kizmo
Fri Nov 15 2013, 07:08AM		 11 1465 Dr. Dark Current
Sat Nov 16 2013, 05:07PM
No new posts on popular topic
The Possibility of Nitro-Electric Battery Replacement Go to page: 1 2 3
Patrick
Sun Nov 10 2013, 06:53AM		 22 1637 Patrick
Sat Nov 16 2013, 03:20PM
No unread posts
Space probe Gaia searches for galaxy's dark energy and warn of asteroid collisions
Proud Mary
Sat Nov 16 2013, 02:21PM		 1 391 Proud Mary
Sat Nov 16 2013, 02:21PM
No unread posts
reading datasheet
IamSmooth
Sat Dec 18 2010, 10:03PM		 5 902 TorontoDXer
Sat Nov 16 2013, 02:47AM
No unread posts
Comet of the century ISON finally visible to naked eye - New Scientist article
Proud Mary
Fri Nov 15 2013, 08:12PM		 1 450 Proud Mary
Fri Nov 15 2013, 08:12PM
No unread posts
Quantum computer breakthrough
Conundrum
Fri Nov 15 2013, 08:50AM		 1 534 Conundrum
Fri Nov 15 2013, 08:50AM
No unread posts
Mighty Atom D.C. 4 Amplifier (World's simplest valve/vacuum tube amp)
Ash Small
Mon Nov 11 2013, 04:04AM		 8 1733 johnf
Thu Nov 14 2013, 05:55PM
No new posts on popular topic
LED grow lights Go to page: 1 2
Andy
Tue Nov 05 2013, 04:09AM		 15 2349 Conundrum
Thu Nov 14 2013, 06:12AM
No unread posts
Quantum batteries
Conundrum
Sun Nov 10 2013, 01:23PM		 7 961 Patrick
Wed Nov 13 2013, 10:51PM
No unread posts
Filament lamp lit with one wire
GeordieBoy
Tue Nov 12 2013, 01:38PM		 4 944 GeordieBoy
Wed Nov 13 2013, 12:03AM
No new posts on popular topic
Tesla's flying machine built Go to page: 1 2 3
Conundrum
Sun Feb 03 2013, 09:18AM		 21 2911 Chris Cristini
Sat Nov 09 2013, 08:34PM
No unread posts
Motors and current
IamSmooth
Thu Nov 07 2013, 04:49AM		 4 794 IamSmooth
Fri Nov 08 2013, 01:00AM
No unread posts
SRAM vs SDRAM
Linas
Tue Nov 05 2013, 01:22PM		 3 1066 Linas
Thu Nov 07 2013, 02:01PM
No unread posts
EEstor news
Conundrum
Tue Nov 05 2013, 08:12AM		 4 801 Conundrum
Wed Nov 06 2013, 06:13AM
first  24 25 26 27 28 29 30 31 32 33  last

Go to:

Create a new topic
Chris Russell, Noelle, Alex, Tesladownunder, Dave Marshall, Dave Billington, Bjørn, Steve Conner, Wolfram, Kizmo, Mads Barnkob users are browsing the forums at the moment ( members, guests)
Unread post exists New posts No unread posts No new posts Sticky Sticky Announcement Announcement
New posts on popular topic New posts [popular] No new posts on popular topic No new posts [popular] Sticky/Closed Sticky/Closed Closed topic Closed topic
You cannot start new topicsYou cannot post repliesYou cannot edit your posts
Powered by e107 Forum System

Go to:


Powered by e107 Forum System
 
Legal Information
This site is powered by e107, which is released under the GNU GPL License. All work on this site, except where otherwise noted, is licensed under a Creative Commons Attribution-ShareAlike 2.5 License. By submitting any information to this site, you agree that anything submitted will be so licensed. Please read our Disclaimer and Policies page for information on your rights and responsibilities regarding this site.