Instructables: exploring - technology - battery http://www.instructables.com Sun, 4 Dec 2016 20:46:01 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
Battery Testing Helper- Magnetic Parts Tray http://www.instructables.com/id/Battery-Testing-Helper-Magnetic-Parts-Tray/
Battery Testing Helper- Magnetic Parts Tray - More DIY How To Projects]]> https://cdn.instructables.com/FXE/666N/IW6POM6Q/FXE666NIW6POM6Q.SQUARE2.jpg https://cdn.instructables.com/FXE/666N/IW6POM6Q/FXE666NIW6POM6Q.SQUARE.jpg https://cdn.instructables.com/FXE/666N/IW6POM6Q/FXE666NIW6POM6Q.SMALL.jpg ktow I frequently find myself sorting the good from the bad batteries with my digital multimeter. This usually has me doing the Mr. Miyagi rolling-battery-chopsticks-challenge.If you have a magnetic parts tray near by, stand up those batteries, use an alligator clip to attach a ground to the edge and yo...
By: ktow

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Fri, 2 Dec 2016 20:44:52 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
Automatic street Light using ldr http://www.instructables.com/id/Automatic-Street-Light-Using-Ldr/
Automatic street Light using ldr - More DIY How To Projects]]> https://cdn.instructables.com/FV1/AB6E/IW5JBX2U/FV1AB6EIW5JBX2U.SQUARE2.jpg https://cdn.instructables.com/FV1/AB6E/IW5JBX2U/FV1AB6EIW5JBX2U.SQUARE.jpg https://cdn.instructables.com/FV1/AB6E/IW5JBX2U/FV1AB6EIW5JBX2U.SMALL.jpg VigneshR3 Save electricity by this simple project.It glows during night and switches off automatically as the sun rises.I have tried a lot of circuits but i made one and this works perfectly.It is a project depicting the proverb "TRY AND TRY TILL YOU SUCCEED". Components • A LDR(Light Dependent Resistor)• ...
By: VigneshR3

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Wed, 30 Nov 2016 20:48:19 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
Tutorial for Mini Digital Voltmeter http://www.instructables.com/id/Tutorial-for-MS-45-30-Digital-Voltmeter/
Tutorial for Mini Digital Voltmeter - More DIY How To Projects]]> https://cdn.instructables.com/FNH/18XG/IVO5C0UN/FNH18XGIVO5C0UN.SQUARE2.jpg https://cdn.instructables.com/FNH/18XG/IVO5C0UN/FNH18XGIVO5C0UN.SQUARE.jpg https://cdn.instructables.com/FNH/18XG/IVO5C0UN/FNH18XGIVO5C0UN.SMALL.jpg mybotic DescriptionPut a voltage meter anywhere with this very handy display. These are often used by RC hobbyists for keeping track of batteries but we thought it would be great on a breadboard or enclosure. This is the 2-wire version of the volt meter, two wires are used to power it and measure at the sam...
By: mybotic

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Mon, 28 Nov 2016 22:07:01 PST
Minimal Wooden Design BOOM Box http://www.instructables.com/id/Minimal-Wooden-Design-BOOM-Box/
Minimal Wooden Design BOOM Box - More DIY How To Projects]]> https://cdn.instructables.com/FIU/QGU2/IVO45DYD/FIUQGU2IVO45DYD.SQUARE2.jpg https://cdn.instructables.com/FIU/QGU2/IVO45DYD/FIUQGU2IVO45DYD.SQUARE.jpg https://cdn.instructables.com/FIU/QGU2/IVO45DYD/FIUQGU2IVO45DYD.SMALL.jpg psychovanko In the PDF file you can read my reasons to have this speaker the way that I do. Drawings. Pics with end results.
By: psychovanko

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Sat, 26 Nov 2016 05:31:43 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
Lead Acid Battery Care and How to Restore Them http://www.instructables.com/id/Lead-Acid-Battery-Care-and-How-to-Restore-Them/
Lead Acid Battery Care and How to Restore Them - More DIY How To Projects]]> https://cdn.instructables.com/F7B/XHL9/IVMPZ0BP/F7BXHL9IVMPZ0BP.SQUARE2.jpg https://cdn.instructables.com/F7B/XHL9/IVMPZ0BP/F7BXHL9IVMPZ0BP.SQUARE.jpg https://cdn.instructables.com/F7B/XHL9/IVMPZ0BP/F7BXHL9IVMPZ0BP.SMALL.jpg Downunder35m Today I came across a very misleading Instructable promoting a commercial website and giving totally wrong infos - so let's try to make it better!Winter is coming and your car battery is already a bit on weak side? Or you had the battery stored unused for a long time? In those and some other cases ...
By: Downunder35m

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Fri, 18 Nov 2016 04:07:13 PST
6$ Universal USB Charger http://www.instructables.com/id/6-Universal-USB-Charger/
6$ Universal USB Charger - More DIY How To Projects]]> https://cdn.instructables.com/F35/CKL4/IVHQW5NN/F35CKL4IVHQW5NN.SQUARE2.jpg https://cdn.instructables.com/F35/CKL4/IVHQW5NN/F35CKL4IVHQW5NN.SQUARE.jpg https://cdn.instructables.com/F35/CKL4/IVHQW5NN/F35CKL4IVHQW5NN.SMALL.jpg Unboxingexperience7 Hi guys,this is a very simple DIY instruction for a universal USB charger. By universal it is meant, that you can connect batteries, solar panels and other direct current power sources and get a constant 5V power output via USB. The only caveat is, that the power source has to be above 5V. This univ...
By: Unboxingexperience7

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Thu, 17 Nov 2016 08:49:47 PST
Roundy-speaker http://www.instructables.com/id/Roundy-speaker/
Roundy-speaker - More DIY How To Projects]]> https://cdn.instructables.com/FYX/JOKK/IVA52UW0/FYXJOKKIVA52UW0.SQUARE2.jpg https://cdn.instructables.com/FYX/JOKK/IVA52UW0/FYXJOKKIVA52UW0.SQUARE.jpg https://cdn.instructables.com/FYX/JOKK/IVA52UW0/FYXJOKKIVA52UW0.SMALL.jpg Thompsonic My first batterypowered diy bt-speaker. Made it from old mahogany tabletop. Speakers and crossovers I took from Psb Alpha speakers I had laying around. Amp unit is 2x50W TPA3116 from ebay and battery is 6s 3000mAh li-po. First I made me a wooden lathe and used old corded drill as motor. This project...
By: Thompsonic

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Sun, 13 Nov 2016 05:31:12 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
Updating BangGood 4in1 Multi Protocol Tx Module Frsky Taranis Turnigy 9xr Pro http://www.instructables.com/id/Updating-BangGood-4in1-Multi-Protocol-Tx-Module-Fr/
Updating BangGood 4in1 Multi Protocol Tx Module Frsky Taranis Turnigy 9xr Pro - More DIY How To Projects]]> https://cdn.instructables.com/F06/LFQK/IV0B3YKI/F06LFQKIV0B3YKI.SQUARE2.jpg https://cdn.instructables.com/F06/LFQK/IV0B3YKI/F06LFQKIV0B3YKI.SQUARE.jpg https://cdn.instructables.com/F06/LFQK/IV0B3YKI/F06LFQKIV0B3YKI.SMALL.jpg f1racer A guide to update the 4 in 1 multi module from BangGood. I'd advising updating only if you really need to since you can potentially mess things up."The 4 in 1 wireless module integrate four RF chips (CC2500, NRF24L01, A7105, CYRF6936) into one single circuit board,with MCU baseplate, can support a ...
By: f1racer

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Sun, 6 Nov 2016 18:36:49 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
Turnigy 9XR Pro: 4in1 multi protocol module all in one radio transmitter http://www.instructables.com/id/Turnigy-9XR-Pro-4in1-Multi-Protocol-Module-All-in-/
Turnigy 9XR Pro: 4in1 multi protocol module all in one radio transmitter - More DIY How To Projects]]> https://cdn.instructables.com/FET/IAFA/IV0A7XOI/FETIAFAIV0A7XOI.SQUARE2.jpg https://cdn.instructables.com/FET/IAFA/IV0A7XOI/FETIAFAIV0A7XOI.SQUARE.jpg https://cdn.instructables.com/FET/IAFA/IV0A7XOI/FETIAFAIV0A7XOI.SMALL.jpg f1racer The ultimate universal transmitter radio for RC models on a budget. The Turnigy 9XR Pro from HobbyKing can be had for about $60-$70. Compared to the FrSky Taranis ($250), it's a much cheaper option. When installed with the multimodule, the transmitter can control many types of models from many RC br...
By: f1racer

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Tue, 1 Nov 2016 07:15:30 PDT
PORTABLE, HANDY ELECTRIC FAN WITH SWITCH http://www.instructables.com/id/PORTABLE-HANDY-ELECTRIC-FAN-WITH-SWITCH/
PORTABLE, HANDY ELECTRIC FAN WITH SWITCH - More DIY How To Projects]]> https://cdn.instructables.com/FJM/AIUX/IUSM1QXS/FJMAIUXIUSM1QXS.SQUARE2.jpg https://cdn.instructables.com/FJM/AIUX/IUSM1QXS/FJMAIUXIUSM1QXS.SQUARE.jpg https://cdn.instructables.com/FJM/AIUX/IUSM1QXS/FJMAIUXIUSM1QXS.SMALL.jpg Mindtrix LCI Hello friends,Welcome to mindtrix LCI Learn an easiest and creative way to make Portable, electric handy fan with switch..easily accessible..easy to use, fun to make..!!! Dont forget to ::: Like Subscribe and Share!!! your comments and reviews are always appreciated!
By: Mindtrix LCI

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Sun, 30 Oct 2016 18:54:52 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
Improve power conversion efficiency http://www.instructables.com/id/Improve-Power-Conversion-Efficiency/
Improve power conversion efficiency - More DIY How To Projects]]> https://cdn.instructables.com/FM0/ZPEY/IUSLTE26/FM0ZPEYIUSLTE26.SQUARE2.jpg https://cdn.instructables.com/FM0/ZPEY/IUSLTE26/FM0ZPEYIUSLTE26.SQUARE.jpg https://cdn.instructables.com/FM0/ZPEY/IUSLTE26/FM0ZPEYIUSLTE26.SMALL.jpg ken77 I designed a Power Bank internal DC-DC module that was using the XL6009 module and I wanted to boost efficiency by increasing the charging time. XL6009 DC-DC module for 3.5 ~ 4.2V conversion to 5V/0.9A efficiency of about 80 ~ 85%, with an average of about 82%, want the battery to provide more time ...
By: ken77

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Fri, 28 Oct 2016 19:28:00 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
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
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
Mand Labs Episode 2: Battery and Voltage http://www.instructables.com/id/Mand-Labs-Episode-2-Battery-and-Voltage/
Mand Labs Episode 2: Battery and Voltage - More DIY How To Projects]]> https://cdn.instructables.com/F3H/5792/IUOHOWG0/F3H5792IUOHOWG0.SQUARE2.jpg https://cdn.instructables.com/F3H/5792/IUOHOWG0/F3H5792IUOHOWG0.SQUARE.jpg https://cdn.instructables.com/F3H/5792/IUOHOWG0/F3H5792IUOHOWG0.SMALL.jpg mandlabs Hello,To promote Technology literacy around the world, Mand Labs has come up with an exclusive DIY (do-it-yourself) video series on Hands-on Electronics and launched its flagship kit, Mand Labs KIT-1 on Amazon US. Do visit our website www.mandlabs.com for more details. This video series is all abo...
By: mandlabs

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Tue, 25 Oct 2016 08:24:11 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
Simple Stereo Amplifier - LM386 2x1W http://www.instructables.com/id/Simple-Stereo-Amplifier-LM386-2x1W/
Simple Stereo Amplifier - LM386 2x1W - 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
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
MAKE A SIMPLE HOMEMADE ELECTROMAGNET FOR FREE! http://www.instructables.com/id/MAKE-a-SIMPLE-HOMEMADE-ELECTROMAGNET-FOR-FREE/
MAKE A SIMPLE HOMEMADE ELECTROMAGNET FOR FREE! - More DIY How To Projects]]> https://cdn.instructables.com/FVR/YIE1/IUHMTFP4/FVRYIE1IUHMTFP4.SQUARE2.jpg https://cdn.instructables.com/FVR/YIE1/IUHMTFP4/FVRYIE1IUHMTFP4.SQUARE.jpg https://cdn.instructables.com/FVR/YIE1/IUHMTFP4/FVRYIE1IUHMTFP4.SMALL.jpg Tawhid K MAKE YOUR OWN ELECTROMAGNET WITH A SMALL NAIL OR A SCREW IN A MINUTE--------------------PLEASE CHECK OUT MY YOUTUBE CHANNEL FOR MORE COOL VIDEOS → https://www.youtube.com/c/tawhidk--------------------My Twitter: https://www.twitter.com/djcoinmoneyMy Instagram: https://www.instagram.com/papitawyee...
By: Tawhid K

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Thu, 20 Oct 2016 16:07:23 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
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
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
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
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
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
LSI 9280-8E Raid Controller - Replaceable Battery http://www.instructables.com/id/LSI-Battery-Replaceable-Battery/
LSI 9280-8E Raid Controller - Replaceable Battery - More DIY How To Projects]]> https://cdn.instructables.com/FS0/5VVF/IU3CZESK/FS05VVFIU3CZESK.SQUARE2.jpg https://cdn.instructables.com/FS0/5VVF/IU3CZESK/FS05VVFIU3CZESK.SQUARE.jpg https://cdn.instructables.com/FS0/5VVF/IU3CZESK/FS05VVFIU3CZESK.SMALL.jpg Tekmyster I have the LSI 9280-8E Raid controller. The battery is a 3.7VDC 1.4mah Lithium-Ion Battery. The Replacement battery new from LSI (if you can still get it) is upwards of $250. Used from eBay it is about $50 but doesn't guarantee the life of the battery. You would be getting rid of the entire batt...
By: Tekmyster

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Sun, 9 Oct 2016 20:11:45 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
eBike LiFePO4 Battery Troubleshooting http://www.instructables.com/id/EBike-LiFePO4-Battery-Troubleshooting/
eBike LiFePO4 Battery Troubleshooting - More DIY How To Projects]]> https://cdn.instructables.com/F13/8A87/IU1KSOKF/F138A87IU1KSOKF.SQUARE2.jpg https://cdn.instructables.com/F13/8A87/IU1KSOKF/F138A87IU1KSOKF.SQUARE.jpg https://cdn.instructables.com/F13/8A87/IU1KSOKF/F138A87IU1KSOKF.SMALL.jpg boffinry This instructable is to help troubleshoot a malfunctioning LiFePO4 (Lithium Iron Phosphate) eBike battery. These batteries are commonly sold online through various sellers. Though they often differ in size, voltage, capacity and cell type, they are electrically similar and the troubleshooting techni...
By: boffinry

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Sat, 8 Oct 2016 20:05:13 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
9v Battery Flash Light http://www.instructables.com/id/9v-Battery-Flash-Light/
9v Battery Flash Light - More DIY How To Projects]]> https://cdn.instructables.com/F5P/W397/ITW2X07U/F5PW397ITW2X07U.SQUARE2.jpg https://cdn.instructables.com/F5P/W397/ITW2X07U/F5PW397ITW2X07U.SQUARE.jpg https://cdn.instructables.com/F5P/W397/ITW2X07U/F5PW397ITW2X07U.SMALL.jpg fullclip765 took 9v battery and broke flashlight circuit board and button off a broken flashlight. Solder solder positive to + and negative to negative Hot glue it all stiff and tight i put hot glue all around circuit and + wire that hung i glued down an put lanyard on bottom Use as light or safety ...
By: fullclip765

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Fri, 7 Oct 2016 03:22:51 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
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
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
Low Battery Voltage Indicator http://www.instructables.com/id/Low-Battery-Voltage-Indicator/
Low Battery Voltage Indicator - More DIY How To Projects]]> https://cdn.instructables.com/F2W/JUVD/ITR7RTMB/F2WJUVDITR7RTMB.SQUARE2.jpg https://cdn.instructables.com/F2W/JUVD/ITR7RTMB/F2WJUVDITR7RTMB.SQUARE.jpg https://cdn.instructables.com/F2W/JUVD/ITR7RTMB/F2WJUVDITR7RTMB.SMALL.jpg Ebey Abraham In this instructuble you'll learn how to make a low battery voltage indicator. There are many ways to make one, you can use a 741 IC, 555 IC, 8211 IC or a SCR, but here we will learn how to make one using a transistor. The basic principle is that we use the transistor as a switch i.e the transistor ...
By: Ebey Abraham

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Thu, 29 Sep 2016 08:15:34 PDT
Li-Ion discharger http://www.instructables.com/id/Li-Ion-Discharger/
Li-Ion discharger - More DIY How To Projects]]> https://cdn.instructables.com/FOD/ZCGI/ITKLK30M/FODZCGIITKLK30M.SQUARE2.jpg https://cdn.instructables.com/FOD/ZCGI/ITKLK30M/FODZCGIITKLK30M.SQUARE.jpg https://cdn.instructables.com/FOD/ZCGI/ITKLK30M/FODZCGIITKLK30M.SMALL.jpg yoh-there Note: new firmware indicating the battery voltage while dischargingI had a couple of Li-Ion cells laying around, mostly salvaged from old phones and laptops. I tend to use these in little gadget projects, using the little EUR 0.50 TP4056 boards as chargers. However and as usual, time often gets in t...
By: yoh-there

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Wed, 28 Sep 2016 15:36:00 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