Forum: Electrical and Electronics

From breadboards to the latest high tech gadgets that drive our society. This forum is to discuss the development, design and construction of all things electronic. Consult with others on how electronics work to what type of cell phone to purchase. From capacitors, resistors, inductors to microwave transmitters.

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Keeping batteries cold makes them last longer.

Started by chemical, February 21st, 2011 09:40 AM
Replies: 13
Views: 7,128
April 9th, 2011, 03:05 PM Go to last post

Building an electromagnet...

Started by Gmano, February 17th, 2009 01:13 AM
Replies: 18
Views: 6,992
February 25th, 2009, 11:50 PM Go to last post
Replies: 3
Views: 6,809
December 5th, 2007, 02:24 PM Go to last post

I need help placing a switch on some LEDs

Started by itstemo1, March 11th, 2007 05:18 PM
Replies: 24
Views: 6,631
May 26th, 2008, 12:20 AM Go to last post

Ultrasonic Sound Waves

Started by MoltenWhale, August 14th, 2008 03:29 PM
Replies: 6
Views: 6,491
October 7th, 2008, 01:29 AM Go to last post

High power density solar panel

Started by Cold Fusion, August 21st, 2008 02:19 AM
Replies: 17
Views: 6,313
October 7th, 2008, 01:18 AM Go to last post

Effect of solar panel on the surrounding temperature?

Started by tikai, June 10th, 2009 04:04 AM
Replies: 22
Views: 5,722
October 12th, 2013, 10:10 AM Go to last post

how to measure amps on multimeter

Started by fatman57, March 1st, 2013 01:49 PM
Replies: 10
Views: 5,617
March 1st, 2013, 06:35 PM Go to last post

Your experiences, rechargable batteries. NiMh vs NiCd

Started by (In)Sanity, July 2nd, 2005 10:54 PM
Replies: 3
Views: 5,582
July 13th, 2005, 08:15 PM Go to last post

Mechanism of electrical shock

Started by ScienceWizard, May 10th, 2009 01:23 AM
Replies: 3
Views: 5,506
May 22nd, 2009, 12:31 AM Go to last post

Why Lithium,not Hydrogen in batteries?

Started by Stanley514, May 21st, 2009 06:57 PM
Replies: 8
Views: 5,448
December 16th, 2009, 08:39 PM Go to last post

Building a railgun or coilgun/guass gun

Started by brushman, July 22nd, 2009 11:48 PM
Replies: 17
Views: 5,443
December 22nd, 2009, 01:56 PM Go to last post

LED Sign

Started by spartadrive_in, November 14th, 2007 10:41 PM
Replies: 17
Views: 5,168
December 5th, 2007, 07:57 PM Go to last post

problem with parallel resistor formula

Started by wesker fan, February 10th, 2009 10:19 AM
Replies: 14
Views: 4,929
April 3rd, 2009, 08:51 AM Go to last post

A cheap short wave radio Internet?

Started by Stanley514, February 9th, 2012 07:10 PM
Replies: 29
Views: 4,739
January 13th, 2018, 02:14 PM Go to last post

Building a portable / powerful electro magnet

Started by xchipx, July 21st, 2009 04:50 AM
Replies: 6
Views: 4,667
July 27th, 2009, 10:35 PM Go to last post

Hardware Cursor

Started by ScienceWizard, April 10th, 2009 04:13 AM
Replies: 1
Views: 4,602
April 10th, 2009, 04:22 AM Go to last post

Crap my TV died

Started by (In)Sanity, May 4th, 2005 12:27 AM
Replies: 18
Views: 4,586
May 7th, 2005, 01:58 PM Go to last post

Vacuum Spark Gap

Started by drumfunk, August 27th, 2008 11:34 AM
Replies: 6
Views: 4,562
April 4th, 2009, 12:48 AM Go to last post

i need help to understand this voltmeter.

Started by rainbowolf, March 12th, 2008 09:40 PM
Replies: 15
Views: 4,531
April 1st, 2008, 05:16 AM Go to last post

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