Instructables: exploring - technology - battery - featured http://www.instructables.com Tue, 24 Jan 2017 14:12:37 PST BLOX v1.01 Rotating planetary party drinks http://www.instructables.com/id/Rotating-Planetary-Party-Drinks/
Rotating planetary party drinks - More DIY How To Projects]]> https://cdn.instructables.com/FTT/5DZW/IYB2BO22/FTT5DZWIYB2BO22.SQUARE2.jpg https://cdn.instructables.com/FTT/5DZW/IYB2BO22/FTT5DZWIYB2BO22.SQUARE.jpg https://cdn.instructables.com/FTT/5DZW/IYB2BO22/FTT5DZWIYB2BO22.SMALL.jpg vanDrielElectric Hello everyone. This is the first instructable that I'Il be making. I'm creating this instructable because of a school project. I'm a fist year Electrical Engineering student and this project is for an extra subject I chose. That doesn't mean that I'm doing this just for school. I've been on instruc...
By: vanDrielElectric

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Tue, 24 Jan 2017 08:53:05 PST
Little dream boat http://www.instructables.com/id/Little-Dream-Boat/
Little dream boat - More DIY How To Projects]]> https://cdn.instructables.com/FD7/A5M0/IY4QQXVZ/FD7A5M0IY4QQXVZ.SQUARE2.jpg https://cdn.instructables.com/FD7/A5M0/IY4QQXVZ/FD7A5M0IY4QQXVZ.SQUARE.jpg https://cdn.instructables.com/FD7/A5M0/IY4QQXVZ/FD7A5M0IY4QQXVZ.SMALL.jpg Ginko Balboa Simple present I made for my little friend Bogdan, who loves boats, for his 6th birthday. Works on batteries and can be used as a night light. Acrylic glass handling I had some spare pieces of acrylic glass. I put them to fine use in this project. You can easily cut acrylic with a handsaw, as I d...
By: Ginko Balboa

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Sun, 22 Jan 2017 15:06:55 PST
4000mAh - USB Powerbank Out of the Trash Can http://www.instructables.com/id/4000mAh-USB-Powerbank-Out-of-the-Trash-Can/
4000mAh - USB Powerbank Out of the Trash Can - More DIY How To Projects]]> https://cdn.instructables.com/FFE/3Z4D/IY3CX8G9/FFE3Z4DIY3CX8G9.SQUARE2.jpg https://cdn.instructables.com/FFE/3Z4D/IY3CX8G9/FFE3Z4DIY3CX8G9.SQUARE.jpg https://cdn.instructables.com/FFE/3Z4D/IY3CX8G9/FFE3Z4DIY3CX8G9.SMALL.jpg RingoR87. Before throwing a "defect" laptop battery directly in the trash can, i was curios what's the problem with the pack? The notebook just remained some minutes on before loosing power. I rip apart the battery and checked the LIon cells with my battery charger, they still have some capacity left and the ...
By: RingoR87.

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Thu, 19 Jan 2017 10:09:54 PST
NiMH battery over-discharge protection circuit http://www.instructables.com/id/NiMH-Battery-Over-discharge-Protection-Circuit/
NiMH battery over-discharge protection circuit - More DIY How To Projects]]> https://cdn.instructables.com/FE5/JCU3/IY3D3DTD/FE5JCU3IY3D3DTD.SQUARE2.jpg https://cdn.instructables.com/FE5/JCU3/IY3D3DTD/FE5JCU3IY3D3DTD.SQUARE.jpg https://cdn.instructables.com/FE5/JCU3/IY3D3DTD/FE5JCU3IY3D3DTD.SMALL.jpg Im_int I like to power my electronic projects with two nickel metal hydride batteries in series. NiMH cells are cheaper and safer than lithium ion batteries (brand name vs brand name), and, like Li-ion batteries, can deliver a lot more current than alkaline cells. A NiMH cell has a voltage of ~1.4 when ful...
By: Im_int

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Wed, 18 Jan 2017 21:40:43 PST
Arduino GPS Reciever In a Tin http://www.instructables.com/id/Arduino-GPS-Reciever-in-a-Tin/
Arduino GPS Reciever In a Tin - More DIY How To Projects]]> https://cdn.instructables.com/FHF/ER5C/IY3D21HM/FHFER5CIY3D21HM.SQUARE2.jpg https://cdn.instructables.com/FHF/ER5C/IY3D21HM/FHFER5CIY3D21HM.SQUARE.jpg https://cdn.instructables.com/FHF/ER5C/IY3D21HM/FHFER5CIY3D21HM.SMALL.jpg diytronics Welcome to my tutorial on how to build a GPS Receiver! I have entered this Instructable into a few competitions that I think it is applicable to. If you feel it is worth a vote into the above contests, please do click the vote button. Thank you!Ever wanted to know your exact location? Perhaps the ex...
By: diytronics

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Wed, 18 Jan 2017 12:34:34 PST
16 Channel 18650 Lithium Capacity Tester http://www.instructables.com/id/16-Channel-18650-Lithium-Capacity-Tester/
16 Channel 18650 Lithium Capacity Tester - More DIY How To Projects]]> https://cdn.instructables.com/F7R/710V/IXUS8NJI/F7R710VIXUS8NJI.SQUARE2.jpg https://cdn.instructables.com/F7R/710V/IXUS8NJI/F7R710VIXUS8NJI.SQUARE.jpg https://cdn.instructables.com/F7R/710V/IXUS8NJI/F7R710VIXUS8NJI.SMALL.jpg picposter Hello, my name is Cedric and today im introducing you to my Arduino-based capacity tester.I had a lot of 18650 cells lying around from old laptop batteries. I wanted to test each cell to find out its capacity. So I tried to find a way to test many cells simultaneously. My first instructable was born...
By: picposter

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Sat, 14 Jan 2017 11:39:03 PST
Run Old CD Rom Drive As a Cassette Inside a Car http://www.instructables.com/id/Run-Old-CD-Rom-Drive-As-a-Cassette-Inside-a-Car/
Run Old CD Rom Drive As a Cassette Inside a Car - More DIY How To Projects]]> https://cdn.instructables.com/FOZ/4HU2/IXUS7WRR/FOZ4HU2IXUS7WRR.SQUARE2.jpg https://cdn.instructables.com/FOZ/4HU2/IXUS7WRR/FOZ4HU2IXUS7WRR.SQUARE.jpg https://cdn.instructables.com/FOZ/4HU2/IXUS7WRR/FOZ4HU2IXUS7WRR.SMALL.jpg medhatko Hello,Today we will learn how to convert old CD Rom Drive into a cassette inside a car or home. With very pure sound and very high efficiency. The cost is less than the purchase price of the new cassette. We will be implemented at low cost and simple possibilities. About the project The project i...
By: medhatko

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Sat, 14 Jan 2017 00:29:56 PST
Portable Vacuum Cleaner Upgrade http://www.instructables.com/id/Portable-Vacuum-Cleaner-Upgrade/
Portable Vacuum Cleaner Upgrade - More DIY How To Projects]]> https://cdn.instructables.com/F88/NT6B/IXQFYX43/F88NT6BIXQFYX43.SQUARE2.jpg https://cdn.instructables.com/F88/NT6B/IXQFYX43/F88NT6BIXQFYX43.SQUARE.jpg https://cdn.instructables.com/F88/NT6B/IXQFYX43/F88NT6BIXQFYX43.SMALL.jpg FireSword We will "slightly" modify the battery and charging of a portable Vacuum Cleaner.For this we need:1. Li-Ion 18650 batteries x3 (unprotected cells)2. TP4056 charging board - http://www.ebay.co.uk/itm/301905672102?_trksid=p20...3. Some wires, soldering iron, solderMy parts cost was ~13$. Let's have a...
By: FireSword

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Wed, 11 Jan 2017 04:02:19 PST
*Intense Night Sun* http://www.instructables.com/id/Intense-Night-Sun/
*Intense Night Sun* - More DIY How To Projects]]> https://cdn.instructables.com/FKM/P4QJ/IXLALSBK/FKMP4QJIXLALSBK.SQUARE2.jpg https://cdn.instructables.com/FKM/P4QJ/IXLALSBK/FKMP4QJIXLALSBK.SQUARE.jpg https://cdn.instructables.com/FKM/P4QJ/IXLALSBK/FKMP4QJIXLALSBK.SMALL.jpg Rexallen Hello Everyone! I recently acquired some old electronic/electrical scrap and I wanted to try and make something useful out of it again! I really enjoy trying to make something useful out of someones old junk! These old, broken electronics give us the opportunity to dissect and learn something ou...
By: Rexallen

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Sat, 7 Jan 2017 19:17:12 PST
$$ Super Cheap Inline Power Pack $$ http://www.instructables.com/id/-Super-Cheap-Inline-Power-Pack-/
$$ Super Cheap Inline Power Pack $$ - More DIY How To Projects]]> https://cdn.instructables.com/FFG/CZM6/IXGFJIK9/FFGCZM6IXGFJIK9.SQUARE2.jpg https://cdn.instructables.com/FFG/CZM6/IXGFJIK9/FFGCZM6IXGFJIK9.SQUARE.jpg https://cdn.instructables.com/FFG/CZM6/IXGFJIK9/FFGCZM6IXGFJIK9.SMALL.jpg Rexallen Hello Everyone! I was working on a Project, in which I am almost done with, but I needed an Inline Power Pack. I looked around and I couldn't even locate one! The reason why I needed an Inline Power Pack was due to the internal specifications of the project that I was working on. I thought that ...
By: Rexallen

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Mon, 2 Jan 2017 15:26:00 PST
How to install New Battery in iPhone 5 in 5 Easy Steps http://www.instructables.com/id/How-to-Install-New-Battery-in-IPhone-5-in-5-Easy-S/
How to install New Battery in iPhone 5 in 5 Easy Steps - More DIY How To Projects]]> https://cdn.instructables.com/FO5/LBO4/IXAPXIKO/FO5LBO4IXAPXIKO.SQUARE2.jpg https://cdn.instructables.com/FO5/LBO4/IXAPXIKO/FO5LBO4IXAPXIKO.SQUARE.jpg https://cdn.instructables.com/FO5/LBO4/IXAPXIKO/FO5LBO4IXAPXIKO.SMALL.jpg thebatstation Nothing lasts forever, and sooner or later any iPhone owner will have to put up with inevitable fact: a battery capacity dropped to disastrous level and it has to be replaced. Yes, authorized shop will do the job, but that would certainly come at a price. In the meantime the operation itself is not ...
By: thebatstation

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Fri, 30 Dec 2016 06:36:31 PST
Thermo-electric battery charger http://www.instructables.com/id/Thermo-electric-Battery-Charger/
Thermo-electric battery charger - More DIY How To Projects]]> https://cdn.instructables.com/F2M/YA0W/IWWFUXTG/F2MYA0WIWWFUXTG.SQUARE2.jpg https://cdn.instructables.com/F2M/YA0W/IWWFUXTG/F2MYA0WIWWFUXTG.SQUARE.jpg https://cdn.instructables.com/F2M/YA0W/IWWFUXTG/F2MYA0WIWWFUXTG.SMALL.jpg Mynasru Heat is a by-product of all energy conversion processes, whether it is converting fuels into energy or energy into work. This loss of energy in waste heat costing industries billions of dollars every year (ENER-G-ROTORS, 2016). Increasing Global populations, Climate change, dwindling supplies of fos...
By: Mynasru

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Thu, 22 Dec 2016 07:24:40 PST
ESP8266 Christmas Ornaments! http://www.instructables.com/id/ESP8266-Christmas-Ornaments/
ESP8266 Christmas Ornaments! - More DIY How To Projects]]> https://cdn.instructables.com/FE9/G1FM/IWWFK0YU/FE9G1FMIWWFK0YU.SQUARE2.jpg https://cdn.instructables.com/FE9/G1FM/IWWFK0YU/FE9G1FMIWWFK0YU.SQUARE.jpg https://cdn.instructables.com/FE9/G1FM/IWWFK0YU/FE9G1FMIWWFK0YU.SMALL.jpg seanhodgins Everyone loves staying connected over the holidays. Why not do it with an internet connected Christmas ornament? These Christmas ornaments all check the same server to see if someone has sent more Christmas Cheer. If they have, then they will all play a song! Watch the video for more info. Watch t...
By: seanhodgins

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Tue, 20 Dec 2016 13:35:34 PST
Super Bright 9v LED Flashlight http://www.instructables.com/id/Super-Bright-9v-LED-Flashlight/
Super Bright 9v LED Flashlight - More DIY How To Projects]]> https://cdn.instructables.com/FQE/YU3P/IWI0WUQV/FQEYU3PIWI0WUQV.SQUARE2.jpg https://cdn.instructables.com/FQE/YU3P/IWI0WUQV/FQEYU3PIWI0WUQV.SQUARE.jpg https://cdn.instructables.com/FQE/YU3P/IWI0WUQV/FQEYU3PIWI0WUQV.SMALL.jpg MadScienceHacks In this instructable you'll learn how to convert a regular 9 volt battery into a super tiny, super bright, LED flashlight. Here's what you'll need 2 x 1 watt LED's ( I got mine from an old LED spot light) 1 x USED 9 v battery ( The LED's will burn if the voltage exceeds 8v)Electrical tapeCopper wir...
By: MadScienceHacks

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Mon, 12 Dec 2016 09:02:30 PST
Portable battery pack for light Electric Vehicle http://www.instructables.com/id/Portable-Battery-Pack-for-Light-Electric-Vehicle/
Portable battery pack for light Electric Vehicle - More DIY How To Projects]]> https://cdn.instructables.com/FQV/6LYF/IWH3HYA2/FQV6LYFIWH3HYA2.SQUARE2.jpg https://cdn.instructables.com/FQV/6LYF/IWH3HYA2/FQV6LYFIWH3HYA2.SQUARE.jpg https://cdn.instructables.com/FQV/6LYF/IWH3HYA2/FQV6LYFIWH3HYA2.SMALL.jpg samircury This is not only my process, motivations and design goals but a living document for the length of the project.I'll keep publishing more steps as I move towards the end design goals. Feel free to comment and send suggestions for the steps that are yet to be done.In a nutshell, all I wanted was to sta...
By: samircury

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Mon, 12 Dec 2016 00:50:32 PST
Tic Tak Power Supply http://www.instructables.com/id/Tic-Tak-Power-Supply/
Tic Tak Power Supply - More DIY How To Projects]]> https://cdn.instructables.com/FVM/KO4X/IWH38KR1/FVMKO4XIWH38KR1.SQUARE2.jpg https://cdn.instructables.com/FVM/KO4X/IWH38KR1/FVMKO4XIWH38KR1.SQUARE.jpg https://cdn.instructables.com/FVM/KO4X/IWH38KR1/FVMKO4XIWH38KR1.SMALL.jpg russ_hensel This is a really simple project which takes a wall wart and using a Tic Tak (Tac really) box makes a cheap, easy, useful, power supply; in a hurry. In this instructable I am going to try to write a little and photograph a lot. If you are in a hurry, the picture here pretty much says it all. Wall...
By: russ_hensel

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Fri, 9 Dec 2016 12:39:54 PST
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 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, but for this proje...
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