Instructables: exploring - technology - tools - battery Sat, 1 Aug 2015 23:32:08 PDT BLOX v1.01 Magnetic Battery Pack
Magnetic Battery Pack - More DIY How To Projects]]> Conundrum2501 I don't know about you guys...and gals. But when creative genius strikes I am very rarely in the lab. And as for me, when I am overcome with a flash of inspiration I have to do something about it RIGHT NOW!!! As a result I keep a lot of tools in my car. But I cant keep a ton of parts on hand so...
By: Conundrum2501

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Sat, 20 Jun 2015 18:33:02 PDT
Simple Polarity Checker
Simple Polarity Checker - More DIY How To Projects]]> Salman Naveed Ever encountered difficulty in knowing if you've connected the wires right? Tired of pulling out your multimeter every time? Need something more compact and simpler to help you out? If you do, then this Instructable is for you!Read on to learn how to make a very simple, handy and useful polarity che...
By: Salman Naveed

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Thu, 4 Jun 2015 07:48:20 PDT
Modification of alkaline screwdriver
Modification of alkaline screwdriver - More DIY How To Projects]]> sandilya.anisetty Original screwdriver runs with 4*1.5v non rechargeable cells. I modified the battery system with 5 rechargeable cells, So that we can get 6v to run the screwdriver perfectly. I also found difficulty in handling the screwdriver without handle. I thought to add handle at low cost and for easy handlin...
By: sandilya.anisetty

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Sun, 8 Mar 2015 10:10:12 PDT
Make a Battery Protection Circuit (low voltage cut-off)
Make a Battery Protection Circuit (low voltage cut-off) - More DIY How To Projects]]> DIYPerks In this video I will show you how to build a simple lithium battery protection circuit, so you can power your homemade projects without ever worrying about over discharging your battery.How to use lithium batteries safely: info on battery measurements: http...
By: DIYPerks

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Wed, 5 Nov 2014 12:56:50 PST
Custom Thermoplastic Battery Holder.
Custom Thermoplastic Battery Holder. - More DIY How To Projects]]> zaphodd42 In the last few years, Thermoplastic has become popular in the maker community. It is cheep, strong, easy to work with and provides a quick solution to prototyping. It's known by it's brand names Polymorph, Shapelock, Instamorph and a few others. I recently used it to create a 9V battery holder be...
By: zaphodd42

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Mon, 31 Mar 2014 23:50:23 PDT
Put Your Batteries On the Outside
Put Your Batteries On the Outside - More DIY How To Projects]]> russ_hensel Some devices are a pain to open up and change the batteries.  If the device is not often used the batteries are usually dead when you want to use it.  What a pain.   Easy fix:  put the battery on the outside.  Also easy to use a plug in adapter so no battery is even necessary.  This method has mini...
By: russ_hensel

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Thu, 19 Dec 2013 11:31:11 PST
Upgrade a 4.8v Dremel to 6v for more speed and power. carpespasm Where I work we often have need for a dremel tool, and the one we have at our store has always been pretty weak. Rebuilding it's battery (which is made of 4 NiMH AA cells did help some but it was still really weak when you went into anything strong. I was going to hook up a similar battery while cha...
By: carpespasm

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Sun, 15 Apr 2012 19:59:45 PDT
Battery Switch
Battery Switch - More DIY How To Projects]]> joe.whitmore In many  projects you need a power that is capable of producing 5 volts DC, and AA battery holders just don't have the right cell count in most cases. I know many people just go ahead and use 9-volt batteries, but they cost more than AA's and rechargeable 9Vs and chargers are harder to get a great ...
By: joe.whitmore

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Tue, 31 May 2011 20:16:02 PDT
Footpedal Speedcontroller
Footpedal Speedcontroller - More DIY How To Projects]]> omnibot I've converted a cordless drill and an ancient pedal from a sewing-machine to work with my cordless powertools in order to have a better drill/screwdriver/polisher/etc and my workbench. What I used .. what you'll need. 1. cheap cordless drill 2. scavenged pedal from sewingmachine 3. misc. scre...
By: omnibot

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Wed, 30 Jun 2010 08:29:32 PDT
Yet another continuity tester
Yet another continuity tester - More DIY How To Projects]]> Computothought PC's even dead ones are a wealth of parts. I was out at a site and they asked me to do some troubleshooting, but would you not know it, I did not have my tools with me. They did have a dead pc about to be trashed. so I borrowed a part or two to make the tester. Note: This setup may not work well wit...
By: Computothought

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Thu, 4 Mar 2010 12:02:32 PST
Spanner Wrench for a Watch Case
Spanner Wrench for a Watch Case - More DIY How To Projects]]> Phil B My watch has a screw- in back on the watch case. It is possible to order a universal spanner wrench for around $10 US. I wanted to make my own spanner wrench so I can replace the battery without needing to get to a store that can change it for me.In the photo you can see the indents for the spanne...
By: Phil B

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Mon, 5 Oct 2009 09:16:37 PDT
Battery Powered Portable VU Meter
Battery Powered Portable VU Meter - More DIY How To Projects]]> Vlorbschnat What follows are instructions for constructing a battery powered portable VU meter, as well as detailed instructions for the construction of the PCB needed to complete this project. It was designed to illuminate from 0-10 LEDs depending on ambient sound levels. I designed it to be attached to a wris...
By: Vlorbschnat

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Sat, 30 Jun 2007 03:22:26 PDT