Instructables: exploring - technology - battery - featured http://www.instructables.com Fri, 9 Dec 2016 04:10:21 PST BLOX v1.01 How to Calculate the Capacity of Batteries http://www.instructables.com/id/How-to-Calculate-the-Capacity-of-Batteries/
How to Calculate the Capacity of Batteries - More DIY How To Projects]]> https://cdn.instructables.com/FSM/LQQB/IW6PMO0C/FSMLQQBIW6PMO0C.SQUARE2.jpg https://cdn.instructables.com/FSM/LQQB/IW6PMO0C/FSMLQQBIW6PMO0C.SQUARE.jpg https://cdn.instructables.com/FSM/LQQB/IW6PMO0C/FSMLQQBIW6PMO0C.SMALL.jpg Nmoleo­ Hello! My name is Nicholas Anand! I am a 13-year-old electrical engineer, along with some other professions.My science fair project for this year involves calculating the capacity of batteries, so I thought I would educate y'all on Instructables on how to do it, too!I hope you learn something from m...
By: Nmoleo­

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Sat, 3 Dec 2016 18:49:42 PST
Dewalt Power Bank http://www.instructables.com/id/Dewalt-Power-Bank/
Dewalt Power Bank - More DIY How To Projects]]> https://cdn.instructables.com/F40/PU34/IW6PFG9K/F40PU34IW6PFG9K.SQUARE2.jpg https://cdn.instructables.com/F40/PU34/IW6PFG9K/F40PU34IW6PFG9K.SQUARE.jpg https://cdn.instructables.com/F40/PU34/IW6PFG9K/F40PU34IW6PFG9K.SMALL.jpg MakrToolbox This is nothing new. There are a lot of instructibles regarding making a power bank. The difference in this power bank is that I am using battery cells from a recycled laptop. I think that this makes it interesting and I hope that you do as well. I wanted to make a nice power bank and of course I wa...
By: MakrToolbox

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Thu, 1 Dec 2016 22:02:40 PST
Wooden Bluetooth Speaker http://www.instructables.com/id/Wooden-Bluetooth-Speaker/
Wooden Bluetooth Speaker - More DIY How To Projects]]> https://cdn.instructables.com/FYL/CG24/IVO7X59S/FYLCG24IVO7X59S.SQUARE2.jpg https://cdn.instructables.com/FYL/CG24/IVO7X59S/FYLCG24IVO7X59S.SQUARE.jpg https://cdn.instructables.com/FYL/CG24/IVO7X59S/FYLCG24IVO7X59S.SMALL.jpg Benybe Hello,I did a bluetooth speaker with :12V 4800mH battery 7$2*50W TDA7492 amplifier with a bluetooth modul on it 10$Two 3 pouces WOOX passives speaker 10$Two active speaker visaton FRS8 30W 15$Oak 10$So a total of 52$ for a powerfull wireless speaker Passive Speaker .The back will be powered by tw...
By: Benybe

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Tue, 29 Nov 2016 13:56:45 PST
Transformerless Adjustable Joule Thief http://www.instructables.com/id/Transformerless-Adjustable-Joule-Thief/
Transformerless Adjustable Joule Thief - More DIY How To Projects]]> https://cdn.instructables.com/FBN/ZOOF/IVO45E22/FBNZOOFIVO45E22.SQUARE2.jpg https://cdn.instructables.com/FBN/ZOOF/IVO45E22/FBNZOOFIVO45E22.SQUARE.jpg https://cdn.instructables.com/FBN/ZOOF/IVO45E22/FBNZOOFIVO45E22.SMALL.jpg DIY Circuits Did you have problems winding the toroidal transformer of a regular joule thief? If so then this instructable is for you! And if not it is also an interesting circuit to see.In this instructable I will show you how I made the simplest joule thief I know of with only an inductor! Demonstration A j...
By: DIY Circuits

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Sat, 26 Nov 2016 02:37:24 PST
Programmable Battery Protection [Open Source] http://www.instructables.com/id/Programmable-Battery-Protection-Open-Source/
Programmable Battery Protection [Open Source] - More DIY How To Projects]]> https://cdn.instructables.com/FP8/TZ4Q/IVA4Q19M/FP8TZ4QIVA4Q19M.SQUARE2.jpg https://cdn.instructables.com/FP8/TZ4Q/IVA4Q19M/FP8TZ4QIVA4Q19M.SQUARE.jpg https://cdn.instructables.com/FP8/TZ4Q/IVA4Q19M/FP8TZ4QIVA4Q19M.SMALL.jpg lutkeveld Every battery needs protection. When I couldn't find a board that suited my needs, I set out to create one myself.If you discharge a battery completely it can be permanently damaged. This PCB monitors the voltage (and thus the State Of Charge) and if it dips below the programmed voltage it will disc...
By: lutkeveld

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Thu, 10 Nov 2016 14:09:34 PST
How a PULL UP and PULL DOWN resistor works http://www.instructables.com/id/How-a-PULL-UP-and-PULL-DOWN-Resistor-Works/
How a PULL UP and PULL DOWN resistor works - More DIY How To Projects]]> https://cdn.instructables.com/F9X/9PQU/IV0ARSOC/F9X9PQUIV0ARSOC.SQUARE2.jpg https://cdn.instructables.com/F9X/9PQU/IV0ARSOC/F9X9PQUIV0ARSOC.SQUARE.jpg https://cdn.instructables.com/F9X/9PQU/IV0ARSOC/F9X9PQUIV0ARSOC.SMALL.jpg afzalrehmani IN THIS INSTRUCT ABLE I AM GOING TO SHOW YOU (1) HOW A PULL UP AND PULL DOWN RESISTOR WORKS (2) HOW YOU WILL CONNECT A SWITCH IN A SAFER MODE (3) AND THEIR APPLICATIONA COMPLETE DETAILS IS ALSO GIVEN IN THE VIDEO DESCRIPTION AS WELL... How a PULL UP an PULL DOWN resistor works... PULL UP AND PUL...
By: afzalrehmani

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Sat, 5 Nov 2016 06:58:08 PDT
How to Make a Mini LED Flashlight http://www.instructables.com/id/How-to-Make-a-Mini-LED-Flashlight/
How to Make a Mini LED Flashlight - More DIY How To Projects]]> https://cdn.instructables.com/F41/74WD/IV0A6ATB/F4174WDIV0A6ATB.SQUARE2.jpg https://cdn.instructables.com/F41/74WD/IV0A6ATB/F4174WDIV0A6ATB.SQUARE.jpg https://cdn.instructables.com/F41/74WD/IV0A6ATB/F4174WDIV0A6ATB.SMALL.jpg ROBO HUB In this instructable ill show u how to make your own LED flashlight It takes less time,is very simple to make and intensity is good Materials Required LEDResistorBatteryBattery holderSmall Plastic Box Building The Body Holes are made so as to fix the led in front side of the box Holder A ho...
By: ROBO HUB

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Wed, 2 Nov 2016 10:55:28 PDT
The problem: Nano Drone Battery Repair http://www.instructables.com/id/The-Problem-Nano-Drone-Battery-Repair/
The problem: Nano Drone Battery Repair - More DIY How To Projects]]> https://cdn.instructables.com/FI4/CUJC/IUYDE9S0/FI4CUJCIUYDE9S0.SQUARE2.jpg https://cdn.instructables.com/FI4/CUJC/IUYDE9S0/FI4CUJCIUYDE9S0.SQUARE.jpg https://cdn.instructables.com/FI4/CUJC/IUYDE9S0/FI4CUJCIUYDE9S0.SMALL.jpg Rthametz You buy a drone, crack open the packaging, stick the batteries in the controller and expect and get pumped to fly that sucker straight into your ceiling, only to find, no such luck.Battery corrosion happens, and its annoying, if you're lucky the company you bought it from will send you a new drone. ...
By: Rthametz

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Tue, 1 Nov 2016 18:55:36 PDT
How To Make a Mini Sander http://www.instructables.com/id/How-to-Make-a-Mini-Sander/
How To Make a Mini Sander - More DIY How To Projects]]> https://cdn.instructables.com/FQZ/BCRL/IUYD9RVX/FQZBCRLIUYD9RVX.SQUARE2.jpg https://cdn.instructables.com/FQZ/BCRL/IUYD9RVX/FQZBCRLIUYD9RVX.SQUARE.jpg https://cdn.instructables.com/FQZ/BCRL/IUYD9RVX/FQZBCRLIUYD9RVX.SMALL.jpg ROBO HUB make your own mini sander machine which is very simple to make Materials Required plastic bottle capsand paperdc motorswitchbattery Making Tool sand paper is cut so as to fit the front side and circumference of the cap which becomes the rotating tool Gathering All Together The tool is attac...
By: ROBO HUB

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Tue, 1 Nov 2016 09:45:49 PDT
From 12 V car compressor to vacuum pump http://www.instructables.com/id/From-12-V-Car-Compressor-to-Vacuum-Pump/
From 12 V car compressor to vacuum pump - More DIY How To Projects]]> https://cdn.instructables.com/FH0/X3LJ/IUSLPKKN/FH0X3LJIUSLPKKN.SQUARE2.jpg https://cdn.instructables.com/FH0/X3LJ/IUSLPKKN/FH0X3LJIUSLPKKN.SQUARE.jpg https://cdn.instructables.com/FH0/X3LJ/IUSLPKKN/FH0X3LJIUSLPKKN.SMALL.jpg slimtender. This project arose from the need to have a small vacuum pump for some of my new purposes, starting from a simple material like a tyre mini compressor, buyed for 8 € at Mercatopoli. Then the idea came on watching some tutorials on the net, but because of mechanical differences inside the machines I d...
By: slimtender.

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Sat, 29 Oct 2016 06:58:57 PDT
How to Connect Li Ion Battery in Parallel and in Series. http://www.instructables.com/id/How-to-Connect-Li-Ion-Battery-in-Parallel-and-in-S/
How to Connect Li Ion Battery in Parallel and in Series. - More DIY How To Projects]]> https://cdn.instructables.com/FJQ/K56L/IUSLO5WJ/FJQK56LIUSLO5WJ.SQUARE2.jpg https://cdn.instructables.com/FJQ/K56L/IUSLO5WJ/FJQK56LIUSLO5WJ.SQUARE.jpg https://cdn.instructables.com/FJQ/K56L/IUSLO5WJ/FJQK56LIUSLO5WJ.SMALL.jpg Manoj BR do you facing problem with charging 2x3.7v battery connected in sereis.here is the simple solution. Needed parts you need the following things-*2x 3.7v li Ion battery*2x connectors*2x led*2x resistors(330 ohms)*1x switch.*1x6 volts relay*1x6 volts zeener diode. circuit designing I have design...
By: Manoj BR

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Thu, 27 Oct 2016 11:49:51 PDT
How to add a aditional battery to a smartphone (for using it days) http://www.instructables.com/id/How-to-Add-a-Aditional-Battery-to-a-Smartphone-for/
How to add a aditional battery to a smartphone (for using it days) - More DIY How To Projects]]> https://cdn.instructables.com/FFN/PN8I/IUOI8YB3/FFNPN8IIUOI8YB3.SQUARE2.jpg https://cdn.instructables.com/FFN/PN8I/IUOI8YB3/FFNPN8IIUOI8YB3.SQUARE.jpg https://cdn.instructables.com/FFN/PN8I/IUOI8YB3/FFNPN8IIUOI8YB3.SMALL.jpg marderchen Its something i doing on all my portable devices.. today hav get a old smartphone .. so did it again.. this time spend a little bit time in documentation.. its realy easy, and if changes the rear cover and the origial accu cell the smartphone is original again.. ) no big discription, have write the...
By: marderchen

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Wed, 26 Oct 2016 16:26:17 PDT
DIY Bluetooth Speaker Under 5$ http://www.instructables.com/id/DIY-Bluetooth-Speaker-Under-5/
DIY Bluetooth Speaker Under 5$ - More DIY How To Projects]]> https://cdn.instructables.com/FLL/GBMR/IUOI9BL2/FLLGBMRIUOI9BL2.SQUARE2.jpg https://cdn.instructables.com/FLL/GBMR/IUOI9BL2/FLLGBMRIUOI9BL2.SQUARE.jpg https://cdn.instructables.com/FLL/GBMR/IUOI9BL2/FLLGBMRIUOI9BL2.SMALL.jpg bobes360 Today I'll show you how I made this awesome bluetooth speaker for total cost under 5$. It is easy project that you can make with minimal knowledge of electronics and woodworking. Just for you to know : this is not very high quality speaker. It's mainly made from scrap and to be as cheap as possible....
By: bobes360

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Wed, 26 Oct 2016 17:36:57 PDT
Ps3 Controller Battery Upgrade http://www.instructables.com/id/Ps3-Controller-Battery-Upgrade/
Ps3 Controller Battery Upgrade - More DIY How To Projects]]> https://cdn.instructables.com/FK2/SOO1/IUOHPOPD/FK2SOO1IUOHPOPD.SQUARE2.jpg https://cdn.instructables.com/FK2/SOO1/IUOHPOPD/FK2SOO1IUOHPOPD.SQUARE.jpg https://cdn.instructables.com/FK2/SOO1/IUOHPOPD/FK2SOO1IUOHPOPD.SMALL.jpg Superhans81 Upgrade a ps3 controller battery with a mobile/cell phone battery find a suitable Li-ion mobile phone battery first you'll need to find a suitable Li-ion battery from a mobile phone, I only used a 2800Mah from a Samsung galaxy s5, I'd recommend a battery with a smaller form factor if you wish to ...
By: Superhans81

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Tue, 25 Oct 2016 06:34:05 PDT
How to Make a Continuity Tester Extremely Easy http://www.instructables.com/id/How-to-Make-a-Continuity-Tester-Extremely-Easy/
How to Make a Continuity Tester Extremely Easy - More DIY How To Projects]]> https://cdn.instructables.com/F38/KFG5/IUKES3VW/F38KFG5IUKES3VW.SQUARE2.jpg https://cdn.instructables.com/F38/KFG5/IUKES3VW/F38KFG5IUKES3VW.SQUARE.jpg https://cdn.instructables.com/F38/KFG5/IUKES3VW/F38KFG5IUKES3VW.SMALL.jpg Mr innovative This a very easy to make a continuity tester , instant make continuity tester Have a look on video first Material required To make this continuity tester we don't need any high end itemslets see what we want A pencil A LED A remote with batteries Some piece of wires Tape How to make After...
By: Mr innovative

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Fri, 21 Oct 2016 21:53:05 PDT
Simple Stereo Amplifier 2x1W - LM386 http://www.instructables.com/id/Simple-Stereo-Amplifier-LM386-2x1W/
Simple Stereo Amplifier 2x1W - LM386 - More DIY How To Projects]]> https://cdn.instructables.com/FC2/KKMY/IUKEPTQ8/FC2KKMYIUKEPTQ8.SQUARE2.jpg https://cdn.instructables.com/FC2/KKMY/IUKEPTQ8/FC2KKMYIUKEPTQ8.SQUARE.jpg https://cdn.instructables.com/FC2/KKMY/IUKEPTQ8/FC2KKMYIUKEPTQ8.SMALL.jpg DIY Circuits In this instructable I will show you how to make a 1 Watt stereo amplifier with LM386 single supply low voltage audio amplifier.It can be powered by batteries with voltage range of 4V to 12V or by 12V wall adapter. Demonstration In this video you can hear the amplifier. Parts List For this ins...
By: DIY Circuits

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Sat, 22 Oct 2016 02:34:44 PDT
Cable Terminals - High Current - for Off Grid Solar Batteries http://www.instructables.com/id/Cable-Terminals-High-Power-for-Off-Grid-Solar-Batt/
Cable Terminals - High Current - for Off Grid Solar Batteries - More DIY How To Projects]]> https://cdn.instructables.com/FU5/VEG2/IUEU4K8G/FU5VEG2IUEU4K8G.SQUARE2.jpg https://cdn.instructables.com/FU5/VEG2/IUEU4K8G/FU5VEG2IUEU4K8G.SQUARE.jpg https://cdn.instructables.com/FU5/VEG2/IUEU4K8G/FU5VEG2IUEU4K8G.SMALL.jpg jothhughes I'm building an off-grid solar power system and wanted a cheap solution to connect my batteries. High powered terminal ends are expensive, so I came up with this!Because these terminals are so cheap and easy to make, it won't be a long Instructable.I'm a teacher, so I like to give the 5 second summa...
By: jothhughes

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Tue, 18 Oct 2016 04:01:48 PDT
Energy Harnessing Shoe Attachments http://www.instructables.com/id/Energy-Harnessing-Shoe-Attachments/
Energy Harnessing Shoe Attachments - More DIY How To Projects]]> https://cdn.instructables.com/FK8/VUTK/IUKENZ9A/FK8VUTKIUKENZ9A.SQUARE2.jpg https://cdn.instructables.com/FK8/VUTK/IUKENZ9A/FK8VUTKIUKENZ9A.SQUARE.jpg https://cdn.instructables.com/FK8/VUTK/IUKENZ9A/FK8VUTKIUKENZ9A.SMALL.jpg stephaniek26 ****In progress*** BiMA is an Energy Harnessing Shoe Attachment. It has the ability to harness the mechanical energy of waking and create useable electricity. Human power is a incredible abundant and reliable resource.We were inspired by many of the other energy generating shoe projects that exist...
By: stephaniek26

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Wed, 19 Oct 2016 12:16:04 PDT
Toy Box Transformation http://www.instructables.com/id/Toy-Box-Transformation-2/
Toy Box Transformation - More DIY How To Projects]]> https://cdn.instructables.com/F6N/Z5ZN/IU9VG0NT/F6NZ5ZNIU9VG0NT.SQUARE2.jpg https://cdn.instructables.com/F6N/Z5ZN/IU9VG0NT/F6NZ5ZNIU9VG0NT.SQUARE.jpg https://cdn.instructables.com/F6N/Z5ZN/IU9VG0NT/F6NZ5ZNIU9VG0NT.SMALL.jpg arno.demeulenaere.54 This instructable will show you how i build my prototype for a toy packaging that will add to the play experience. When you've unpacked your toys the excess cardboard can be teared of so you have two pieces of a road you can use as a track for your toy cars. There is one ordinary road but also a roa...
By: arno.demeulenaere.54

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Mon, 17 Oct 2016 12:12:55 PDT
How to Control Tracked Robot Via Joystick NRF24L01 Module Arduino Part2 Rx http://www.instructables.com/id/How-to-Control-Tracked-Robot-Via-Joystick-NRF24L01-1/
How to Control Tracked Robot Via Joystick NRF24L01 Module Arduino Part2 Rx - More DIY How To Projects]]> https://cdn.instructables.com/FQE/VV5E/IUCTV48A/FQEVV5EIUCTV48A.SQUARE2.jpg https://cdn.instructables.com/FQE/VV5E/IUCTV48A/FQEVV5EIUCTV48A.SQUARE.jpg https://cdn.instructables.com/FQE/VV5E/IUCTV48A/FQEVV5EIUCTV48A.SMALL.jpg nipon4666 The instruction "How to control Tracked Robot via Joystick NRF24L01 Module Arduino Part2 Rx" will describe the method how to build Receiver(Rx) on Tracked Robot for Transmitter(Tx) in the instruction "How to control Tracked Robot via Joystick NRF24L01 Module Arduino Part1 Tx".Thanks to arduino-info....
By: nipon4666

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Sun, 16 Oct 2016 09:11:40 PDT
Business Card/Game Console: ATtiny85 and OLED Screen http://www.instructables.com/id/Business-CardGame-Console-ATtiny85-and-OLED-Screen/
Business Card/Game Console: ATtiny85 and OLED Screen - More DIY How To Projects]]> https://cdn.instructables.com/FXZ/5ASW/IU9US39C/FXZ5ASWIU9US39C.SQUARE2.jpg https://cdn.instructables.com/FXZ/5ASW/IU9US39C/FXZ5ASWIU9US39C.SQUARE.jpg https://cdn.instructables.com/FXZ/5ASW/IU9US39C/FXZ5ASWIU9US39C.SMALL.jpg AlexFW Hi everyone!Today I'm going to show you how you can build your own business card/game console/whatever you can imagine that features a backlit I2C OLED display and an ATtiny85 Microprocessor. In this Instructable I'll tell you how a PCB that I designed actually functions, how you can build it, and w...
By: AlexFW

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Sun, 16 Oct 2016 11:16:24 PDT
Building and Testing a Penny Battery http://www.instructables.com/id/Building-and-Testing-a-Penny-Battery/
Building and Testing a Penny Battery - More DIY How To Projects]]> https://cdn.instructables.com/FPJ/UT6V/IU9V28H9/FPJUT6VIU9V28H9.SQUARE2.jpg https://cdn.instructables.com/FPJ/UT6V/IU9V28H9/FPJUT6VIU9V28H9.SQUARE.jpg https://cdn.instructables.com/FPJ/UT6V/IU9V28H9/FPJUT6VIU9V28H9.SMALL.jpg FerriteGiant This version of a battery hearkens back to the original voltaic pile invented by Alessandro Volta in 1799. Here I will be showing two versions using different anode materials. In the diagrams I've only shown batteries composed of 5 cells, but the picture of the actual battery is of a 10 cell version...
By: FerriteGiant

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Sat, 15 Oct 2016 10:19:48 PDT
How to Rebuild a BionX e-Bike Battery Pack http://www.instructables.com/id/How-to-Rebuild-a-BionX-E-Bike-Battery-Pack/
How to Rebuild a BionX e-Bike Battery Pack - More DIY How To Projects]]> https://cdn.instructables.com/FGB/XWEO/IU9V1FL6/FGBXWEOIU9V1FL6.SQUARE2.jpg https://cdn.instructables.com/FGB/XWEO/IU9V1FL6/FGBXWEOIU9V1FL6.SQUARE.jpg https://cdn.instructables.com/FGB/XWEO/IU9V1FL6/FGBXWEOIU9V1FL6.SMALL.jpg kmpres Hello fellow Makers, Hackers and DIYers!This instructable will show you how you can replace the lithium-ion cells in a worn-out BionX e-bike battery pack to restore your lost range and even greatly exceed it. It will also show you how you can replace your original equipment charger with a high qual...
By: kmpres

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Sat, 15 Oct 2016 05:58:10 PDT
18650 Battery Charger http://www.instructables.com/id/18650-Battery-Charger-1/
18650 Battery Charger - More DIY How To Projects]]> https://cdn.instructables.com/FPE/BQNR/IU8WEIPQ/FPEBQNRIU8WEIPQ.SQUARE2.jpg https://cdn.instructables.com/FPE/BQNR/IU8WEIPQ/FPEBQNRIU8WEIPQ.SQUARE.jpg https://cdn.instructables.com/FPE/BQNR/IU8WEIPQ/FPEBQNRIU8WEIPQ.SMALL.jpg Kester1 Hey guys Kester here! Today I'll be showing you guys how to make a 18650 battery charger! Without further a do, let's get started! Patreon As you may or may not know, I am Kester. I have a YouTube channel that is based on making electronics videos and diy videos and tutorials. As me making lots o...
By: Kester1

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Thu, 13 Oct 2016 15:49:16 PDT
Solar Charged Battery Powered Arduino Uno http://www.instructables.com/id/Solar-Charged-Battery-Powered-Arduino-Uno/
Solar Charged Battery Powered Arduino Uno - More DIY How To Projects]]> https://cdn.instructables.com/FE7/STJN/ITW3PHKR/FE7STJNITW3PHKR.SQUARE2.jpg https://cdn.instructables.com/FE7/STJN/ITW3PHKR/FE7STJNITW3PHKR.SQUARE.jpg https://cdn.instructables.com/FE7/STJN/ITW3PHKR/FE7STJNITW3PHKR.SMALL.jpg IgorF2 This instructable shows how to create a time switching battery powered solar charged circuit, which is used to power an Arduino Uno and some peripherals (sensors, communication modules, etc.).If you want to design a remote data logger, power supply is always a problem. Most of the times there is no ...
By: IgorF2

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Sun, 9 Oct 2016 19:40:05 PDT
Make your own custom powerbank gift! http://www.instructables.com/id/Make-Your-Own-Custom-Powerbank-Gift/
Make your own custom powerbank gift! - More DIY How To Projects]]> https://cdn.instructables.com/FK4/ZX10/IU2NFPMN/FK4ZX10IU2NFPMN.SQUARE2.jpg https://cdn.instructables.com/FK4/ZX10/IU2NFPMN/FK4ZX10IU2NFPMN.SQUARE.jpg https://cdn.instructables.com/FK4/ZX10/IU2NFPMN/FK4ZX10IU2NFPMN.SMALL.jpg SerS 19 Hello again guys!Nowadays we live in a world surrounded by the latest multimedia devices. Ipads, mobile phones and smartwatches are on top on the leading industry now. However, those things need a lot power to run during the whole day as we use them nonstop and Im sure none of us enjoy seeing the 10...
By: SerS 19

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Sun, 9 Oct 2016 08:11:54 PDT
Battery Level Indicator http://www.instructables.com/id/Battery-Level-Indicator/
Battery Level Indicator - More DIY How To Projects]]> https://cdn.instructables.com/FNG/LNFK/IU1EC4W9/FNGLNFKIU1EC4W9.SQUARE2.jpg https://cdn.instructables.com/FNG/LNFK/IU1EC4W9/FNGLNFKIU1EC4W9.SQUARE.jpg https://cdn.instructables.com/FNG/LNFK/IU1EC4W9/FNGLNFKIU1EC4W9.SMALL.jpg balsuryana Hi everyone, It's me Balsuryana!. I'am back with some electronics projects! In this projects, i will show you how to make a Battery Level Indicator. I got this idea because i need this tools for indicate my powerbank battery level, so i made this tools. No more talking, LET'S MAKE IT! What you wil...
By: balsuryana

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Sat, 8 Oct 2016 09:42:02 PDT
Get Your Smart Phone Working Again When SHTF/Zombie Virus Hits! http://www.instructables.com/id/Get-Your-Smart-Phone-Working-Again-When-SHTFZombie/
Get Your Smart Phone Working Again When SHTF/Zombie Virus Hits! - More DIY How To Projects]]> https://cdn.instructables.com/F2G/MYPF/ITW2RH5X/F2GMYPFITW2RH5X.SQUARE2.jpg https://cdn.instructables.com/F2G/MYPF/ITW2RH5X/F2GMYPFITW2RH5X.SQUARE.jpg https://cdn.instructables.com/F2G/MYPF/ITW2RH5X/F2GMYPFITW2RH5X.SMALL.jpg TheHomeschoolHouse So there's no power left and as far as you can tell, it's not coming back on anytime soon. You're in a panic and have forgotten everything you learned from your survival and how to defend against zombie invasion eBooks on your smart phone... and the battery on that smart phone died out awhile ago. Y...
By: TheHomeschoolHouse

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Thu, 6 Oct 2016 15:59:09 PDT
H Bridge Motor Driver For Arduino Using Transistors http://www.instructables.com/id/H-Bridge-Motor-Driver-for-Arduino-Using-Transistor/
H Bridge Motor Driver For Arduino Using Transistors - More DIY How To Projects]]> https://cdn.instructables.com/FGO/C3V9/ITX3YO64/FGOC3V9ITX3YO64.SQUARE2.jpg https://cdn.instructables.com/FGO/C3V9/ITX3YO64/FGOC3V9ITX3YO64.SQUARE.jpg https://cdn.instructables.com/FGO/C3V9/ITX3YO64/FGOC3V9ITX3YO64.SMALL.jpg Anshu AR Hello everyone, In this instructable we will be building our own H Bridge motor driver module for Arduino using transistors.Technical specifications: Control motor speed using PWM pins of Arduino. Control motor direction. Can run any small hobby DC motor consuming 250mA (Maximum)...
By: Anshu AR

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Thu, 6 Oct 2016 23:23:02 PDT
DIY MINI ELECTRIC HAND FAN http://www.instructables.com/id/DIY-ELECTRIC-HAND-FAN/
DIY MINI ELECTRIC HAND FAN - More DIY How To Projects]]> https://cdn.instructables.com/FMF/602G/ITYPX6U5/FMF602GITYPX6U5.SQUARE2.jpg https://cdn.instructables.com/FMF/602G/ITYPX6U5/FMF602GITYPX6U5.SQUARE.jpg https://cdn.instructables.com/FMF/602G/ITYPX6U5/FMF602GITYPX6U5.SMALL.jpg ROBO HUB make your own mini electric handfan Materials Required popsicle sticksplastic fanbatterybattery holdermotor Building popsicle stick is sticked side by side to batterybattery holder terminal is directly connected to motor the motor is held in place between popsicle sticks Attach The Fan To M...
By: ROBO HUB

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Thu, 6 Oct 2016 12:54:42 PDT
DIY AUTOMATIC SOLAR CHARGE CONTROLLER http://www.instructables.com/id/DIY-AUTOMATIC-SOLAR-CHARGE-CONTROLLER/
DIY AUTOMATIC SOLAR CHARGE CONTROLLER - More DIY How To Projects]]> https://cdn.instructables.com/FBE/OGS7/ITVV0UH9/FBEOGS7ITVV0UH9.SQUARE2.jpg https://cdn.instructables.com/FBE/OGS7/ITVV0UH9/FBEOGS7ITVV0UH9.SQUARE.jpg https://cdn.instructables.com/FBE/OGS7/ITVV0UH9/FBEOGS7ITVV0UH9.SMALL.jpg vina1991 Hello friends Today I am back with another project called DIY AUTOMATIC SOLAR CHARGE CONTROLLER. It’s an automatic switching circuit that used to control the charging of a battery from solar panels or any other source. It’s a 555 based simple circuits the charge the battery when the battery charge g...
By: vina1991

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Tue, 4 Oct 2016 13:07:29 PDT
Solar Charger and Adjustable Power Supply http://www.instructables.com/id/Solar-Charger-and-Adjustable-Power-Supply/
Solar Charger and Adjustable Power Supply - More DIY How To Projects]]> https://cdn.instructables.com/F9W/QZNP/ISCBN5NQ/F9WQZNPISCBN5NQ.SQUARE2.jpg https://cdn.instructables.com/F9W/QZNP/ISCBN5NQ/F9WQZNPISCBN5NQ.SQUARE.jpg https://cdn.instructables.com/F9W/QZNP/ISCBN5NQ/F9WQZNPISCBN5NQ.SMALL.jpg -AFS- In this instructable I am going to show you how to build a Solar Charger in a very simple way, so that it will be easy and affordable for anyone to build its own one.We are going to use solar panels as our source of energy, to be able to use this device anywhere. We will use some Li-ion batteries to...
By: -AFS-

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Fri, 2 Sep 2016 08:25:46 PDT
Turn 9V Battery to 5V Battery (simplest and cheapest way) http://www.instructables.com/id/Turn-9V-Battery-to-5V-Battery-simplest-and-Cheapes/
Turn 9V Battery to 5V Battery (simplest and cheapest way) - More DIY How To Projects]]> https://cdn.instructables.com/FF1/X9UD/ISCC2EVX/FF1X9UDISCC2EVX.SQUARE2.jpg https://cdn.instructables.com/FF1/X9UD/ISCC2EVX/FF1X9UDISCC2EVX.SQUARE.jpg https://cdn.instructables.com/FF1/X9UD/ISCC2EVX/FF1X9UDISCC2EVX.SMALL.jpg seyozen I want to introduce one of the minimalist way for stepping-down of 9V battery to 5V. We only need two component: 1x 9V battery clip (~$0.4) 1x AMS1117 1A or LM1117 5V 1A output voltage regulator (~$0.1)AMS1117 voltage regulators are available in five fixed voltages; 1.8V, 2.5V, 2.85V, 3.3V, and 5V. ...
By: seyozen

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Tue, 6 Sep 2016 11:38:29 PDT
How to make universal battery charger http://www.instructables.com/id/How-to-Make-Universal-Battery-Charger/
How to make universal battery charger - More DIY How To Projects]]> https://cdn.instructables.com/F6K/7M42/IT67SNFH/F6K7M42IT67SNFH.SQUARE2.jpg https://cdn.instructables.com/F6K/7M42/IT67SNFH/F6K7M42IT67SNFH.SQUARE.jpg https://cdn.instructables.com/F6K/7M42/IT67SNFH/F6K7M42IT67SNFH.SMALL.jpg MartinD_CZ In this Instructable I would like to share with you my most recent project, an AVR-based universal battery charger. What does it mean universal battery charger? Well, it can charge batteries. And it can charge all four basic types of rechargeable batteries - that is, NiCd, NiMH (usually in AA or AAA...
By: MartinD_CZ

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Sat, 17 Sep 2016 05:36:42 PDT
Flickering LED Candle Mod http://www.instructables.com/id/Flickering-LED-Candle-Mod/
Flickering LED Candle Mod - More DIY How To Projects]]> https://cdn.instructables.com/FT6/ETGZ/ITKYSW24/FT6ETGZITKYSW24.SQUARE2.jpg https://cdn.instructables.com/FT6/ETGZ/ITKYSW24/FT6ETGZITKYSW24.SQUARE.jpg https://cdn.instructables.com/FT6/ETGZ/ITKYSW24/FT6ETGZITKYSW24.SMALL.jpg Imran687 This is a quick and easy mod that converts one flickering led into a driver for multiple led's. It only requires a few basic electronic components and can turn any led flash light or work light into a flickering light. This effect is also known to look like a flickering candle. Parts Required Any...
By: Imran687

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Mon, 26 Sep 2016 22:03:26 PDT
Solar Powered Radio with Bluetooth + MP3 http://www.instructables.com/id/Solar-Powered-Radio-With-Bluetooth-MP3/
Solar Powered Radio with Bluetooth + MP3 - More DIY How To Projects]]> https://cdn.instructables.com/FNH/MJMI/ITCHGGDD/FNHMJMIITCHGGDD.SQUARE2.jpg https://cdn.instructables.com/FNH/MJMI/ITCHGGDD/FNHMJMIITCHGGDD.SQUARE.jpg https://cdn.instructables.com/FNH/MJMI/ITCHGGDD/FNHMJMIITCHGGDD.SMALL.jpg Khaleel123 The objective for this project was to create something useful from odds and ends around the house. Through this project I found new use for some leftover wood flooring, salvaged pc speakers, and also some ni-cad rechargeable AA batteries. I did have to order the Radio Module and solar cells which co...
By: Khaleel123

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Fri, 23 Sep 2016 16:34:09 PDT
Turn off headlights when ignition off http://www.instructables.com/id/Turn-Off-Headlights-When-Ignition-Off/
Turn off headlights when ignition off - More DIY How To Projects]]> https://cdn.instructables.com/F2O/BZMN/ITCHDKXT/F2OBZMNITCHDKXT.SQUARE2.jpg https://cdn.instructables.com/F2O/BZMN/ITCHDKXT/F2OBZMNITCHDKXT.SQUARE.jpg https://cdn.instructables.com/F2O/BZMN/ITCHDKXT/F2OBZMNITCHDKXT.SMALL.jpg replayreb I bought my oldest son a used 2007 Mazda 3 last week. It is in great condition and he loves it. The problem is that since it is an older base model it doesn't have any extra bells or whistles like automatic headlights. He was driving a Toyota Corolla that he passed down to his little brother but it ...
By: replayreb

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Thu, 22 Sep 2016 21:48:20 PDT
Automatic Lights for Tool Chest http://www.instructables.com/id/Automatic-Lights-for-Tool-Chest/
Automatic Lights for Tool Chest - More DIY How To Projects]]> https://cdn.instructables.com/FKM/AFIW/ITCH0BO9/FKMAFIWITCH0BO9.SQUARE2.jpg https://cdn.instructables.com/FKM/AFIW/ITCH0BO9/FKMAFIWITCH0BO9.SQUARE.jpg https://cdn.instructables.com/FKM/AFIW/ITCH0BO9/FKMAFIWITCH0BO9.SMALL.jpg The Sam D You know how you open the fridge and the lights are just on? That's cool and I want that in a lot of other useful places - Like my tool chest. So now I have it and I'm going to show you how to do it too!This project covers adding LED lights to each drawer of a tool chest—so that it will automaticall...
By: The Sam D

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Wed, 21 Sep 2016 09:30:10 PDT
EASY Solar Charging Power Bank http://www.instructables.com/id/EASY-Solar-Charging-Power-Bank/
EASY Solar Charging Power Bank - More DIY How To Projects]]> https://cdn.instructables.com/FTK/YQIH/ISXX7H9Y/FTKYQIHISXX7H9Y.SQUARE2.jpg https://cdn.instructables.com/FTK/YQIH/ISXX7H9Y/FTKYQIHISXX7H9Y.SQUARE.jpg https://cdn.instructables.com/FTK/YQIH/ISXX7H9Y/FTKYQIHISXX7H9Y.SMALL.jpg NathanR97 Hello! My name is Nathan, and I am an amateur tinkerer. I needed a power bank for camping, bonfires, emergencies, and general tom foolery. Given my tinkery nature, buying one seemed some what sacrilegious. My build CAN be cheaper than your average power bank and will certainly have more functionalit...
By: NathanR97

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Sat, 10 Sep 2016 20:52:33 PDT
$3 Emergency Solar Radio http://www.instructables.com/id/3-Emergency-Solar-Radio/
$3 Emergency Solar Radio - More DIY How To Projects]]> https://cdn.instructables.com/F5F/U89B/GLFU0MLV/F5FU89BGLFU0MLV.SQUARE2.jpg https://cdn.instructables.com/F5F/U89B/GLFU0MLV/F5FU89BGLFU0MLV.SQUARE.jpg https://cdn.instructables.com/F5F/U89B/GLFU0MLV/F5FU89BGLFU0MLV.SMALL.jpg BrownDogGadgets In honor of all my good friends still over in Japan I've decided to create an Instructable for a $3 Emergency Solar Radio. It's a great thing in case of tsunami, nuclear melt down, or zombie invasion. Plus it's really cute when put into an Altoids tin.My plan is to send this as a (slightly) joke b...
By: BrownDogGadgets

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Sun, 20 Mar 2011 10:25:29 PDT
JAR LED LIGHT http://www.instructables.com/id/JAR-LED-LIGHT/
JAR LED LIGHT - More DIY How To Projects]]> https://cdn.instructables.com/F79/XO2B/ISCC8S67/F79XO2BISCC8S67.SQUARE2.jpg https://cdn.instructables.com/F79/XO2B/ISCC8S67/F79XO2BISCC8S67.SQUARE.jpg https://cdn.instructables.com/F79/XO2B/ISCC8S67/F79XO2BISCC8S67.SMALL.jpg ROBO HUB make your own jar led light which is portableThe making is really simple and cost involvement is very less Materials for making 4 leds batteryplastic jar Building circuit connections the switch is connected to leds and batterythe circuit is very basic by looking the image the circuit is unders...
By: ROBO HUB

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Wed, 7 Sep 2016 05:19:02 PDT
Shake Activated Water Bottle Night Light http://www.instructables.com/id/Shake-Activated-Water-Bottle-Night-Light/
Shake Activated Water Bottle Night Light - More DIY How To Projects]]> https://cdn.instructables.com/FCK/QQV8/ISCBUZJY/FCKQQV8ISCBUZJY.SQUARE2.jpg https://cdn.instructables.com/FCK/QQV8/ISCBUZJY/FCKQQV8ISCBUZJY.SQUARE.jpg https://cdn.instructables.com/FCK/QQV8/ISCBUZJY/FCKQQV8ISCBUZJY.SMALL.jpg Troublemakers This project turns your bedside bottle of water into a lantern with just a shake. That's right, we added a light...to the bottle. This project isn't just cool because it makes your water bottle look like a video game power-up, it is also super practical. No more ping-ponging down a dark hallway to t...
By: Troublemakers

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Mon, 5 Sep 2016 19:20:24 PDT
DIY Arduino Battery Capacity Tester - V1.0 http://www.instructables.com/id/DIY-Arduino-Battery-Capacity-Tester-V10-/
DIY Arduino Battery Capacity Tester - V1.0 - More DIY How To Projects]]> https://cdn.instructables.com/FS2/RW94/ISCBTZJB/FS2RW94ISCBTZJB.SQUARE2.jpg https://cdn.instructables.com/FS2/RW94/ISCBTZJB/FS2RW94ISCBTZJB.SQUARE.jpg https://cdn.instructables.com/FS2/RW94/ISCBTZJB/FS2RW94ISCBTZJB.SMALL.jpg deba168 [ Play Video ]I have salvaged so many old lap-top batteries ( 18650 ) to reuse them in my solar projects.It is very difficult to identify the good cells in battery pack.Earlier in one of my Power Bank Instructable I have told, how to identify good cells by measuring their voltages, but this method i...
By: deba168

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Sun, 4 Sep 2016 21:40:26 PDT
DIY Solar Power Pack http://www.instructables.com/id/DIY-Solar-Power-Pack/
DIY Solar Power Pack - More DIY How To Projects]]> https://cdn.instructables.com/F7K/WQDB/ISCBSTE0/F7KWQDBISCBSTE0.SQUARE2.jpg https://cdn.instructables.com/F7K/WQDB/ISCBSTE0/F7KWQDBISCBSTE0.SQUARE.jpg https://cdn.instructables.com/F7K/WQDB/ISCBSTE0/F7KWQDBISCBSTE0.SMALL.jpg led_freak What do an off-grid camping trip and a power outage have in common?Well, in both cases it is good to have a battery backup at hand.Fortunately for you, I am going to show you how to build one yourself. I know that there is already a wide variety of these kind of projects out there which is a good in...
By: led_freak

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Sun, 4 Sep 2016 09:51:32 PDT
Electric Lighter http://www.instructables.com/id/Electric-Lighter/
Electric Lighter - More DIY How To Projects]]> https://cdn.instructables.com/FHZ/7PWV/ISCBB9V5/FHZ7PWVISCBB9V5.SQUARE2.jpg https://cdn.instructables.com/FHZ/7PWV/ISCBB9V5/FHZ7PWVISCBB9V5.SQUARE.jpg https://cdn.instructables.com/FHZ/7PWV/ISCBB9V5/FHZ7PWVISCBB9V5.SMALL.jpg Ynze- I had some nichrome wire laying around and I wanted to make something with it. So I came up with the idea to make an electric lighter.I wanted it to be small and easy to use. You can light most things you can light with an ordinary lighter. Like a candle, a piece of paper or even a piece of wood. ...
By: Ynze-

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Thu, 1 Sep 2016 08:10:32 PDT
Portable, Solar 12V Battery Pack http://www.instructables.com/id/Portable-12V-Battery-Pack/
Portable, Solar 12V Battery Pack - More DIY How To Projects]]> https://cdn.instructables.com/FGP/3LNM/IRXTMLUN/FGP3LNMIRXTMLUN.SQUARE2.jpg https://cdn.instructables.com/FGP/3LNM/IRXTMLUN/FGP3LNMIRXTMLUN.SQUARE.jpg https://cdn.instructables.com/FGP/3LNM/IRXTMLUN/FGP3LNMIRXTMLUN.SMALL.jpg lonesoulsurfer Camping these days usually means bringing along things that need power. Usually I’d just use the cars 12v outlet but I find this a hassle, especially if you have to charge your phone at night. So, after being inspired by a build my youngest brother did, I decided to build myself a battery pack that...
By: lonesoulsurfer

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Tue, 23 Aug 2016 01:49:37 PDT
Make an Optical Disk Display http://www.instructables.com/id/Make-an-Optical-Disk-Display/
Make an Optical Disk Display - More DIY How To Projects]]> https://cdn.instructables.com/FAD/YLMC/IRO1GU7A/FADYLMCIRO1GU7A.SQUARE2.jpg https://cdn.instructables.com/FAD/YLMC/IRO1GU7A/FADYLMCIRO1GU7A.SQUARE.jpg https://cdn.instructables.com/FAD/YLMC/IRO1GU7A/FADYLMCIRO1GU7A.SMALL.jpg Lucas Reed Every curious how DVDs work? Interested in learning some simple analog electronics? This Instructables will show you how to make an optical disk display project in only a few hours. What is an optical disk? An optical disk stores data/information and can be read or displayed using light.You will lea...
By: Lucas Reed

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Wed, 10 Aug 2016 12:10:35 PDT
Simple Homopolar Motor http://www.instructables.com/id/Simple-Homopolar-Motor/
Simple Homopolar Motor - More DIY How To Projects]]> https://cdn.instructables.com/FWL/GT4S/IRO1HDQN/FWLGT4SIRO1HDQN.SQUARE2.jpg https://cdn.instructables.com/FWL/GT4S/IRO1HDQN/FWLGT4SIRO1HDQN.SQUARE.jpg https://cdn.instructables.com/FWL/GT4S/IRO1HDQN/FWLGT4SIRO1HDQN.SMALL.jpg YuKonstruct The first homopolar motor was demonstrated by Michael Faraday in 1821. He was experimenting with magnetism and electricity when he discovered the first circular force then known in nature.This simple motor is a great beginner project for young makers!YuKonstruct is the first makerspace in Canada's n...
By: YuKonstruct

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Wed, 10 Aug 2016 12:04:01 PDT
LEGO RC Car A.k.a Mark III http://www.instructables.com/id/LEGO-RC-Car-Aka-Mark-III/
LEGO RC Car A.k.a Mark III - More DIY How To Projects]]> https://cdn.instructables.com/FQJ/48FX/IRHV1VYD/FQJ48FXIRHV1VYD.SQUARE2.jpg https://cdn.instructables.com/FQJ/48FX/IRHV1VYD/FQJ48FXIRHV1VYD.SQUARE.jpg https://cdn.instructables.com/FQJ/48FX/IRHV1VYD/FQJ48FXIRHV1VYD.SMALL.jpg bjkayani Hello all. Today I am going to share with you my long journey of building an RC Car. But first a little background. Ever since I was a kid i wanted to build my very own rc car. But it aint that simple. I realized that after some failed attempts. Four years ago i got a Lego technic as a gift. At firs...
By: bjkayani

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Fri, 5 Aug 2016 12:31:17 PDT
How to make your own Emf Detector || BJT as a switch http://www.instructables.com/id/How-to-Make-Your-Own-Emf-Detector-BJT-As-a-Switch/
How to make your own Emf Detector || BJT as a switch - More DIY How To Projects]]> https://cdn.instructables.com/FHX/ZHYK/IR9EIJL6/FHXZHYKIR9EIJL6.SQUARE2.jpg https://cdn.instructables.com/FHX/ZHYK/IR9EIJL6/FHXZHYKIR9EIJL6.SQUARE.jpg https://cdn.instructables.com/FHX/ZHYK/IR9EIJL6/FHXZHYKIR9EIJL6.SMALL.jpg macfeil25 We can sense voltage in a circuit using a multimeter by connecting two probes at two different point in a circuit ie basically contact voltage detector.As far as the era is concerned there also exist Non contact voltage detector. You can simply buy one,but that will be too boring for an electronics ...
By: macfeil25

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Sun, 31 Jul 2016 21:10:00 PDT