Instructables: exploring - technology - tools - battery Mon, 25 May 2015 07:18:45 PDT BLOX v1.01 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