http://www.instructables.com Tue, 29 May 2012 12:28:22 PDT BLOX v1.01 http://www.instructables.com/id/Function-Generator/
Analog Function Generator - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FB2/JIEQ/GZISQOLN/FB2JIEQGZISQOLN.SQUARE2.jpg http://img.instructables.com/files/deriv/FB2/JIEQ/GZISQOLN/FB2JIEQGZISQOLN.SQUARE.jpg http://img.instructables.com/files/deriv/FB2/JIEQ/GZISQOLN/FB2JIEQGZISQOLN.SMALL.jpg aeternusjunk Are you sick of 555 timers? I sure am. That's why I decided to build a semi-decent function generator as my term project in my analog electronics course. This design is capable of producing a square, triangle, and approximate sine wave reliably up to a frequency of around 300kHz. Make It Real Chall...
By: aeternusjunk

Continue Reading »]]> Sat, 10 Mar 2012 11:45:55 PST http://www.instructables.com/id/Guitar-Amp-in-a-Book/
Guitar Amp in a Book! - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FG1/N7IK/GQYGLU37/FG1N7IKGQYGLU37.SQUARE2.jpg http://img.instructables.com/files/deriv/FG1/N7IK/GQYGLU37/FG1N7IKGQYGLU37.SQUARE.jpg http://img.instructables.com/files/deriv/FG1/N7IK/GQYGLU37/FG1N7IKGQYGLU37.SMALL.jpg Philoso-Raptor Lately I've been working on a few analog audio circuits.  I was sitting around admiring my finely soldered boards (sarcasm) and thought, "Hey!  Why don't I put this crap in a box or something?"  I looked around the house, but alas, there were no box-like objects to be found.  I then proceeded to des...
By: Philoso-Raptor

Continue Reading »]]> Thu, 11 Aug 2011 06:42:10 PDT http://www.instructables.com/id/Homemade-100-HP-Motor-Controller-for-an-Electric-C/
Homemade 100 HP Motor Controller for an Electric Car - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FGF/1GX5/GJ2830DB/FGF1GX5GJ2830DB.SQUARE2.jpg http://img.instructables.com/files/deriv/FGF/1GX5/GJ2830DB/FGF1GX5GJ2830DB.SQUARE.jpg http://img.instructables.com/files/deriv/FGF/1GX5/GJ2830DB/FGF1GX5GJ2830DB.SMALL.jpg MPaulHolmes This instructable explains how to build your own 100 HP (peak) motor controller for use in an electric car or motorcycle conversion.  It can take any voltage up to 144v, and the peak current is 500 amps.  The cost of the components is a few hundred dollars, which means you can save over $1000 by put...
By: MPaulHolmes

Continue Reading »]]> Thu, 20 Jan 2011 13:43:24 PST http://www.instructables.com/id/Ammo-Box-Speakers-1/
Ammo Box Speakers - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F8J/38RI/GH4AK0GX/F8J38RIGH4AK0GX.SQUARE2.jpg http://img.instructables.com/files/deriv/F8J/38RI/GH4AK0GX/F8J38RIGH4AK0GX.SQUARE.jpg http://img.instructables.com/files/deriv/F8J/38RI/GH4AK0GX/F8J38RIGH4AK0GX.SMALL.jpg dustinbikes This instructable will demonstrate how to turn a .50 caliber ammunition box into a sweet set of speakers that can be used with your mp3 player, laptop, or any other portable device. This set of speakers is rugged, compact, easy to take on the go, and LOUD!  The whole project will cost about $50.00 ...
By: dustinbikes

Continue Reading »]]> Sun, 2 Jan 2011 18:17:17 PST http://www.instructables.com/id/Bike-Party-Sound-Trailer/
Bike Party Sound Trailer - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FZR/30PQ/GH4A9794/FZR30PQGH4A9794.SQUARE2.jpg http://img.instructables.com/files/deriv/FZR/30PQ/GH4A9794/FZR30PQGH4A9794.SQUARE.jpg http://img.instructables.com/files/deriv/FZR/30PQ/GH4A9794/FZR30PQGH4A9794.SMALL.jpg dan Build a mobile sound system for off-grid concerts and dance parties! This setup uses dual 12" PA speakers.  A hidden below-board 24V battery keeps the handling stable.  The flat-bed trailer design is easy to build, lightweight and durable.  We integrated ~150W amps inside each speaker, but other am...
By: dan

Continue Reading »]]> Sun, 5 Dec 2010 20:52:49 PST http://www.instructables.com/id/Simple-iPod-Amp/
Simple iPod Amp - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FQQ/9RM2/ECSEP27UHPQ/FQQ9RM2ECSEP27UHPQ.SQUARE2.jpg http://img.instructables.com/files/deriv/FQQ/9RM2/ECSEP27UHPQ/FQQ9RM2ECSEP27UHPQ.SQUARE.jpg http://img.instructables.com/files/deriv/FQQ/9RM2/ECSEP27UHPQ/FQQ9RM2ECSEP27UHPQ.SMALL.jpg joe I wanted a simple iPod amp for my garage. You need listen to something when you are working on your bike right? I only had one extra stereo speaker, so I only made it mono. If you have two speakers, just make this twice and you have a stereo amp. The name of the game here is simple, but feel free ...
By: joe

Continue Reading »]]> Sat, 11 Mar 2006 09:52:08 PST http://www.instructables.com/id/48V-Electric-Flat-Tracker/
48V Electric Flat Tracker - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F3R/QMMH/FPIOLEVC/F3RQMMHFPIOLEVC.SQUARE2.jpg http://img.instructables.com/files/deriv/F3R/QMMH/FPIOLEVC/F3RQMMHFPIOLEVC.SQUARE.jpg http://img.instructables.com/files/deriv/F3R/QMMH/FPIOLEVC/F3RQMMHFPIOLEVC.SMALL.jpg Radioactive_Legos About a year ago, my dad and I had the idea to convert a beach cruiser bike into an electric motorcycle. We purchased the bike and all the parts necessary and got to work. We modified the frame and rebuilt the bike from the ground up. When we finished, we were extremely satisfied with the results...
By: Radioactive_Legos

Continue Reading »]]> Sun, 4 Jan 2009 17:12:39 PST http://www.instructables.com/id/Infrared-Proximity-Sensing-Coffee-Table-Module/
Infrared Proximity Sensing Coffee Table Module & Color Changing Glowing Faucet - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FLL/FK4R/G962OJVN/FLLFK4RG962OJVN.SQUARE2.jpg http://img.instructables.com/files/deriv/FLL/FK4R/G962OJVN/FLLFK4RG962OJVN.SQUARE.jpg http://img.instructables.com/files/deriv/FLL/FK4R/G962OJVN/FLLFK4RG962OJVN.SMALL.jpg grahmaustin This video can be found on youtube. http://www.youtube.com/watch?v=h5n0rw8wo14 Check out the other one, and some other of my videos This is merely an instructable to explain how this device operates. I hope everything is not too obfuscated. This prototype consists of three 8x8” module...
By: grahmaustin

Continue Reading »]]> Wed, 26 May 2010 18:42:21 PDT http://www.instructables.com/id/Low-Cost-Water-Flow-Sensor-and-Ambient-Display/
Low Cost Water Flow Sensor and Ambient Display - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FRP/9XEQ/FOHTR2BL/FRP9XEQFOHTR2BL.SQUARE2.jpg http://img.instructables.com/files/deriv/FRP/9XEQ/FOHTR2BL/FRP9XEQFOHTR2BL.SQUARE.jpg http://img.instructables.com/files/deriv/FRP/9XEQ/FOHTR2BL/FRP9XEQFOHTR2BL.SMALL.jpg staceyk Water is a precious resource. Millions of people do not have access to clean drinking water, and as many as 4000 children die from water contaminated illnesses every day. Yet, we continue to be wasteful with our resources. The overarching goal of this project is to motivate more sustainable water us...
By: staceyk

Continue Reading »]]> Mon, 8 Dec 2008 22:27:38 PST http://www.instructables.com/id/Battery-Powered-Mobile-Party-Sound-Systems/
Off-Grid Party Sound Systems - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FRG/T0IV/G8VVDIE4/FRGT0IVG8VVDIE4.SQUARE2.jpg http://img.instructables.com/files/deriv/FRG/T0IV/G8VVDIE4/FRGT0IVG8VVDIE4.SQUARE.jpg http://img.instructables.com/files/deriv/FRG/T0IV/G8VVDIE4/FRGT0IVG8VVDIE4.SMALL.jpg dan Whether its for a mobile bike party or a solar powered concert, a 12V or 24V sound system is the key.  I recently built several systems for mobile bike parties and this article has a pile of details.  You can also check my Easy Bike Party Sound System project if you want a simpler and smaller system...
By: dan

Continue Reading »]]> Fri, 7 May 2010 19:21:49 PDT http://www.instructables.com/id/Guitar-Tube-Amp/
Guitar Tube Amp - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F6S/IXX6/FH9HU8W7/F6SIXX6FH9HU8W7.SQUARE2.jpg http://img.instructables.com/files/deriv/F6S/IXX6/FH9HU8W7/F6SIXX6FH9HU8W7.SQUARE.jpg http://img.instructables.com/files/deriv/F6S/IXX6/FH9HU8W7/F6SIXX6FH9HU8W7.SMALL.jpg gmoon Want to build your own tube amplifier for guitar? There are many options: build a kit, build from an existing schematic, or branch off like I did, and try something different. Maybe, like me, you'll design and build from scratch... Check out the last steps-- information's been added since this g...
By: gmoon

Continue Reading »]]> Wed, 25 Jun 2008 14:03:19 PDT http://www.instructables.com/id/Dieselpunk-Stereophonic-Amplifier/
Dieselpunk Stereophonic Amplifier - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FCK/CSNF/G5FQZTNB/FCKCSNFG5FQZTNB.SQUARE2.jpg http://img.instructables.com/files/deriv/FCK/CSNF/G5FQZTNB/FCKCSNFG5FQZTNB.SQUARE.jpg http://img.instructables.com/files/deriv/FCK/CSNF/G5FQZTNB/FCKCSNFG5FQZTNB.SMALL.jpg garagemonkeysan Every so often projects start out simple but end up taking way more time than first anticipated. Here is one of those projects that got out of hand. My original intent was to make a small, simple, powered speaker box. Nothing fancy, just a low power amp, used computer speakers, all housed in a ...
By: garagemonkeysan

Continue Reading »]]> Tue, 9 Feb 2010 09:33:34 PST http://www.instructables.com/id/Pocket-Protest-a-LM386-amp-in-a-9v-battery-casing/
Pocket Protest (a LM386 amp in a 9v battery casing) - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FA4/5JXG/FWMO3J0P/FA45JXGFWMO3J0P.SQUARE2.jpg http://img.instructables.com/files/deriv/FA4/5JXG/FWMO3J0P/FA45JXGFWMO3J0P.SQUARE.jpg http://img.instructables.com/files/deriv/FA4/5JXG/FWMO3J0P/FA45JXGFWMO3J0P.SMALL.jpg osgeld Whether your working on electronics, want to test that speaker, checking out a cool looking radio at a swap meet, want to soapbox the evils of soapboxing, or sit on the street corner singing your blues ... Well, darnit, sometimes you just need a simple easy to use amp! I bring to the world Pocket ...
By: osgeld

Continue Reading »]]> Sun, 19 Jul 2009 19:52:21 PDT