Instructables: exploring - technology - electronics - voltage - battery http://www.instructables.com Fri, 19 Dec 2014 03:09:15 PST BLOX v1.01 Li - Ion battery level indicator http://www.instructables.com/id/Li-Ion-battery-level-indicator/
Li - Ion battery level indicator - More DIY How To Projects]]> http://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SQUARE2.jpg http://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SQUARE.jpg http://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SMALL.jpg Osvaldas Are you looking for a simple circuit to measure your Lithium Ion single cell charging and discharging level? Here is one chip circuit, powered up from the same Lithium Ion battery you want to measure.This circuit is design to measure 3.7V rechargeable batteries level. 4.2V - 100%; 4V - 80%; 3.8V - ...
By: Osvaldas

Continue Reading »]]>
Tue, 21 Oct 2014 13:28:44 PDT
Penny Battery http://www.instructables.com/id/Penny-Battery-1/
Penny Battery - More DIY How To Projects]]> http://cdn.instructables.com/FG1/2DTL/HXEZ6XEQ/FG12DTLHXEZ6XEQ.SQUARE2.jpg http://cdn.instructables.com/FG1/2DTL/HXEZ6XEQ/FG12DTLHXEZ6XEQ.SQUARE.jpg http://cdn.instructables.com/FG1/2DTL/HXEZ6XEQ/FG12DTLHXEZ6XEQ.SMALL.jpg l33tn00b Hello and welcome to my first instructable!!! I want to start posting all my projects on here so I figured I would post one of my favorites, the penny battery!!!This is a great project to know for those into survival. What I have done to expand this project is hook my homemade penny battery to a j...
By: l33tn00b

Continue Reading »]]>
Mon, 6 Oct 2014 15:17:14 PDT
Sealed battery box 12v/24v with a switch http://www.instructables.com/id/Sealed-battery-box-12v24v-with-a-switch/
Sealed battery box 12v/24v with a switch - More DIY How To Projects]]> http://cdn.instructables.com/F8Y/6BDP/HZ3YBNPN/F8Y6BDPHZ3YBNPN.SQUARE2.jpg http://cdn.instructables.com/F8Y/6BDP/HZ3YBNPN/F8Y6BDPHZ3YBNPN.SQUARE.jpg http://cdn.instructables.com/F8Y/6BDP/HZ3YBNPN/F8Y6BDPHZ3YBNPN.SMALL.jpg RehabIsForQuitters In this instructable I will show you how to build a sealed battery box. It's not completely water tight but rain is no problem for it. Since building this I have found it to be a great mobile power supply for many things even running power tools while camping where there are no electric hookups.The ...
By: RehabIsForQuitters

Continue Reading »]]>
Thu, 21 Aug 2014 12:49:03 PDT
Battery Tester and Charger http://www.instructables.com/id/Battery-Tester-and-Charger/
Battery Tester and Charger - More DIY How To Projects]]> http://cdn.instructables.com/FS4/U6D1/HWLCVCMH/FS4U6D1HWLCVCMH.SQUARE2.jpg http://cdn.instructables.com/FS4/U6D1/HWLCVCMH/FS4U6D1HWLCVCMH.SQUARE.jpg http://cdn.instructables.com/FS4/U6D1/HWLCVCMH/FS4U6D1HWLCVCMH.SMALL.jpg Khaleel123 The Objective of this project is to test batteries to find out if they hold a significant charge and are still usable. I recently had a laptop battery fail and after taking it apart I realized I needed a quick way to test each individual 3.7 volt lithium ion cell. As a result this is what I came up ...
By: Khaleel123

Continue Reading »]]>
Wed, 18 Jun 2014 22:19:57 PDT
Basic 5 Volt Power Supply http://www.instructables.com/id/Basic-5-Volt-Power-Supply/
Basic 5 Volt Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/F96/CS1K/HW37LLBA/F96CS1KHW37LLBA.SQUARE2.jpg http://cdn.instructables.com/F96/CS1K/HW37LLBA/F96CS1KHW37LLBA.SQUARE.jpg http://cdn.instructables.com/F96/CS1K/HW37LLBA/F96CS1KHW37LLBA.SMALL.jpg JayconSystems The first part of any electronics project, is a power supply. Some projects use the USB port on your computer; others use a cheap wall adapter. Some are battery powered, and others are solar. With all these different options, how does one power their electronics project? Let us show you!It’s pretty ...
By: JayconSystems

Continue Reading »]]>
Fri, 6 Jun 2014 08:58:54 PDT
Battery voltage monitor http://www.instructables.com/id/Battery-voltage-monitor/
Battery voltage monitor - More DIY How To Projects]]> http://cdn.instructables.com/FUN/UMKM/H9G15QG0/FUNUMKMH9G15QG0.SQUARE2.jpg http://cdn.instructables.com/FUN/UMKM/H9G15QG0/FUNUMKMH9G15QG0.SQUARE.jpg http://cdn.instructables.com/FUN/UMKM/H9G15QG0/FUNUMKMH9G15QG0.SMALL.jpg chunkyhampton This voltage monitor has been designed to remotely display battery voltage so that people monitor and maintain their batteries easily. It was designed for use on off-grid reneable energy systems (such as my solar PV system), but it would also be useful to anyone who has a lead-acid battery, such as ...
By: chunkyhampton

Continue Reading »]]>
Wed, 14 Nov 2012 03:43:59 PST
Battery Voltage Indicator http://www.instructables.com/id/Battery-Voltage-Indicator/ http://cdn.instructables.com/FTB/SGER/H71GP7VX/FTBSGERH71GP7VX.SQUARE2.jpg http://cdn.instructables.com/FTB/SGER/H71GP7VX/FTBSGERH71GP7VX.SQUARE.jpg http://cdn.instructables.com/FTB/SGER/H71GP7VX/FTBSGERH71GP7VX.SMALL.jpg Autonomous96 Background: A year ago, heavy rain and ice overnight caused Skimmer (my small motor boat) to capsize due to failure of the bilge pump battery. In order to prevent this disaster from re-occur I made this indicator to monitor the bilge pump battery voltage status. The LED light mounted on the dashboar...
By: Autonomous96

Continue Reading »]]>
Mon, 17 Sep 2012 23:54:33 PDT
Custom Battery Values http://www.instructables.com/id/Custom-Battery-Values/ http://cdn.instructables.com/F46/97EP/H3QF1CC2/F4697EPH3QF1CC2.SQUARE2.jpg http://cdn.instructables.com/F46/97EP/H3QF1CC2/F4697EPH3QF1CC2.SQUARE.jpg http://cdn.instructables.com/F46/97EP/H3QF1CC2/F4697EPH3QF1CC2.SMALL.jpg randofo When you put two battery holders in series, they add together to make one larger voltage. For instance, if you put a 4 x AA (6V) in series with another 4 x AA (6V) battery holder, then you are left with a combined value of 12V. If you were then to put a 2 x AA (3V) battery holder in series with both...
By: randofo

Continue Reading »]]>
Mon, 25 Jun 2012 12:05:00 PDT
Make a cheap disposable camera capacitor bank http://www.instructables.com/id/Make-a-cheap-disposable-camera-capacitor-bank/
Make a cheap disposable camera capacitor bank - More DIY How To Projects]]> http://cdn.instructables.com/FPZ/2M76/H1JUJEYA/FPZ2M76H1JUJEYA.SQUARE2.jpg http://cdn.instructables.com/FPZ/2M76/H1JUJEYA/FPZ2M76H1JUJEYA.SQUARE.jpg http://cdn.instructables.com/FPZ/2M76/H1JUJEYA/FPZ2M76H1JUJEYA.SMALL.jpg Alex1M6 This instructable will show you have to make a simple capacitor bank and charger out of old disposable cameras that you can get for free at your local store. You can then use it for powering things such as coil guns or just blowing things up! See the second picture above? that was the spark created...
By: Alex1M6

Continue Reading »]]>
Sat, 5 May 2012 08:20:34 PDT
Variable Voltage Regulator - Filtered Linear Power Supply http://www.instructables.com/id/Variable-Voltage-Regulator-Filtered-Linear-Power/
Variable Voltage Regulator - Filtered Linear Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FGJ/32RV/GOHMAWZX/FGJ32RVGOHMAWZX.SQUARE2.jpg http://cdn.instructables.com/FGJ/32RV/GOHMAWZX/FGJ32RVGOHMAWZX.SQUARE.jpg http://cdn.instructables.com/FGJ/32RV/GOHMAWZX/FGJ32RVGOHMAWZX.SMALL.jpg Poent This Instructable will show how to Make a 1.6v-6v Filtered Linear Power Supply using a LM317 for the variable voltage regulator and a 1kohm Potentiometer (trimmer). It can source power from anywhere between 7v to 14v for this version of the power supply. The power supply in the above image is at the...
By: Poent

Continue Reading »]]>
Sun, 5 Jun 2011 19:52:44 PDT
ZVS Flyback Driver - Video http://www.instructables.com/id/ZVS-Flyback-Driver-Video/ http://cdn.instructables.com/FXR/WO1C/G9NH8XA5/FXRWO1CG9NH8XA5.SQUARE2.jpg http://cdn.instructables.com/FXR/WO1C/G9NH8XA5/FXRWO1CG9NH8XA5.SQUARE.jpg http://cdn.instructables.com/FXR/WO1C/G9NH8XA5/FXRWO1CG9NH8XA5.SMALL.jpg Plasmana It has been a long time since I have posted anything, lol. I have recently got more sealed lead acid batteries so I can now power my ZVS flyback driver up to 36 volts! I will try find some time to make an instructable about making one of those beast, at the moment, I can show the vid of it working....
By: Plasmana

Continue Reading »]]>
Sat, 29 May 2010 15:40:40 PDT
Double Voltage of your one AA Battery device http://www.instructables.com/id/Double-Voltage-of-your-AA-Battery/
Double Voltage of your one AA Battery device - More DIY How To Projects]]> http://cdn.instructables.com/FFM/Y3BN/FOD7QG1S/FFMY3BNFOD7QG1S.SQUARE2.jpg http://cdn.instructables.com/FFM/Y3BN/FOD7QG1S/FFMY3BNFOD7QG1S.SQUARE.jpg http://cdn.instructables.com/FFM/Y3BN/FOD7QG1S/FFMY3BNFOD7QG1S.SMALL.jpg dragonbtv A very simple method to get double output voltage within the space of a single AA battery. Useful for strengthen your single battery powered device, eg. flash light, nose hair trimer and etc. reason Sometimes you are not satisfy with the POWER of your single battery powered device, such as your d...
By: dragonbtv

Continue Reading »]]>
Fri, 5 Dec 2008 16:35:33 PST
Make an Ultra Simple High Voltage Generator http://www.instructables.com/id/Make-an-Ultra-Simple-High-Voltage-Generator/
Make an Ultra Simple High Voltage Generator - More DIY How To Projects]]> http://cdn.instructables.com/FM2/89Y0/FL5R9YMA/FM289Y0FL5R9YMA.SQUARE2.jpg http://cdn.instructables.com/FM2/89Y0/FL5R9YMA/FM289Y0FL5R9YMA.SQUARE.jpg http://cdn.instructables.com/FM2/89Y0/FL5R9YMA/FM289Y0FL5R9YMA.SMALL.jpg Plasmana Have you ever wanted to build a high voltage devices to make sparks like Tesla Coils, Marx Generator, and so on.. But find it too compacted or difficult to build?Well, this instructable is for you! It can make create a few kilovolts of static-like sparks, and best of all... You can make it with only...
By: Plasmana

Continue Reading »]]>
Tue, 16 Sep 2008 07:07:58 PDT