Instructables: exploring - technology - electronics - voltage http://www.instructables.com Fri, 9 Dec 2016 14:00:29 PST BLOX v1.01 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
How to use a cheap multimeter to test voltage or amperage http://www.instructables.com/id/How-to-Use-a-Cheap-Multimeter-to-Test-Voltage-or-A/
How to use a cheap multimeter to test voltage or amperage - More DIY How To Projects]]> https://cdn.instructables.com/FOJ/HSHT/IVO3XFWO/FOJHSHTIVO3XFWO.SQUARE2.jpg https://cdn.instructables.com/FOJ/HSHT/IVO3XFWO/FOJHSHTIVO3XFWO.SQUARE.jpg https://cdn.instructables.com/FOJ/HSHT/IVO3XFWO/FOJHSHTIVO3XFWO.SMALL.jpg DIY Electronic There are a lot of videos about multimeters, but I wanted to make a quick step-by-step guide for dummies! It’s easy to measure the voltage input or the amperage (current drawn) by any electrical device. In this example, I’m using a simple circuit composed of a 12V DC power supply and a computer fan ...
By: DIY Electronic

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Thu, 24 Nov 2016 18:38:45 PST
LC-04 4 Channel Logic Converter 3.3V - 5.0V Tutorial http://www.instructables.com/id/LC-04-4-Channel-Logic-Converter-33V-50V/
LC-04 4 Channel Logic Converter 3.3V - 5.0V Tutorial - More DIY How To Projects]]> https://cdn.instructables.com/FO5/MP99/IVHQRGYI/FO5MP99IVHQRGYI.SQUARE2.jpg https://cdn.instructables.com/FO5/MP99/IVHQRGYI/FO5MP99IVHQRGYI.SQUARE.jpg https://cdn.instructables.com/FO5/MP99/IVHQRGYI/FO5MP99IVHQRGYI.SMALL.jpg mybotic DescriptionThis level shifter offering bidirectional voltage translation of up to four independent signals, converting 3.3V up to 5V or 5V down to 3.3V. The logic high levels on each side of the shifter are achieved by 10 kΩ pull-up resistors to their respective supplies; these provide quick enough ...
By: mybotic

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Thu, 17 Nov 2016 22:35:38 PST
The Ultimate Wire Soldering Guide for Beginners http://www.instructables.com/id/The-Ultimate-Wire-Soldering-Guide-for-Beginners/
The Ultimate Wire Soldering Guide for Beginners - More DIY How To Projects]]> https://cdn.instructables.com/F7U/GX5S/IUSM8Y3V/F7UGX5SIUSM8Y3V.SQUARE2.jpg https://cdn.instructables.com/F7U/GX5S/IUSM8Y3V/F7UGX5SIUSM8Y3V.SQUARE.jpg https://cdn.instructables.com/F7U/GX5S/IUSM8Y3V/F7UGX5SIUSM8Y3V.SMALL.jpg 4DIYers Video tutorial on how to properly solder wire. There are different types of soldering tools you can purchase, the first is a soldering iron which I am using here, next there is a soldering gun, and finally a soldering station. There are two different types of solder used in electronic soldering. Ros...
By: 4DIYers

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Mon, 31 Oct 2016 09:56:21 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
The Tic Tac Adjustable Power Supply http://www.instructables.com/id/The-Tic-Tac-Adjustable-Power-Supply/
The Tic Tac Adjustable Power Supply - More DIY How To Projects]]> https://cdn.instructables.com/F5N/9T8X/ITW33CYX/F5N9T8XITW33CYX.SQUARE2.jpg https://cdn.instructables.com/F5N/9T8X/ITW33CYX/F5N9T8XITW33CYX.SQUARE.jpg https://cdn.instructables.com/F5N/9T8X/ITW33CYX/F5N9T8XITW33CYX.SMALL.jpg Tanmay Deuskar Many projects operate on different operating voltages. This is often annoying as you need to keep many different batteries at hand and often you don't get batteries for voltages like 5V. So in this instructable I'm going to show you how to make a device which can give outputs of approximately 12V, 9...
By: Tanmay Deuskar

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Sat, 8 Oct 2016 04:11:08 PDT
Easy High Voltage Power Supply http://www.instructables.com/id/Easy-High-Voltage-Power-Supply/
Easy High Voltage Power Supply - More DIY How To Projects]]> https://cdn.instructables.com/FUF/H9AZ/IRG4LLGZ/FUFH9AZIRG4LLGZ.SQUARE2.jpg https://cdn.instructables.com/FUF/H9AZ/IRG4LLGZ/FUFH9AZIRG4LLGZ.SQUARE.jpg https://cdn.instructables.com/FUF/H9AZ/IRG4LLGZ/FUFH9AZIRG4LLGZ.SMALL.jpg KeystoneScience First off , here is a video a video I made in case you get stuck on any parts:http://youtu.be/k5uNa13Li1IOkay now time for a safety rant, Disclaimer: this is dangerous, be very careful with it as it could easily mess you up. And by that I mean it may even kill you if handled unproporly Now with that...
By: KeystoneScience

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Thu, 4 Aug 2016 16:08:26 PDT
Voltage Dividers (Interactive!) http://www.instructables.com/id/Voltage-Dividers-Interactive/
Voltage Dividers (Interactive!) - More DIY How To Projects]]> https://cdn.instructables.com/F5G/G6DX/IRG4NG6H/F5GG6DXIRG4NG6H.SQUARE2.jpg https://cdn.instructables.com/F5G/G6DX/IRG4NG6H/F5GG6DXIRG4NG6H.SQUARE.jpg https://cdn.instructables.com/F5G/G6DX/IRG4NG6H/F5GG6DXIRG4NG6H.SMALL.jpg Sutty5 PLAY VIDEO Learn about the basics of capacitors. Try the circuit!To see more from me, subscribe to Simply Electronics on YouTube.Follow on TwitterLike on FaceBook
By: Sutty5

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Tue, 2 Aug 2016 15:44:46 PDT
Old PC Recycled Regulable Power Supply http://www.instructables.com/id/Old-PC-Recicled-Regulable-Power-Supply/
Old PC Recycled Regulable Power Supply - More DIY How To Projects]]> https://cdn.instructables.com/FR0/HIYU/IQXXOGBM/FR0HIYUIQXXOGBM.SQUARE2.jpg https://cdn.instructables.com/FR0/HIYU/IQXXOGBM/FR0HIYUIQXXOGBM.SQUARE.jpg https://cdn.instructables.com/FR0/HIYU/IQXXOGBM/FR0HIYUIQXXOGBM.SMALL.jpg brico3d Recicled old computer Regulable power supply.For more information visit: Brico3d Electronics1 Identify the wires and eliminate what you don't need. Electronics2 Connect 230V ac input directly with electronic board. Then use the switch to control ON/OFF with green wire. Elecronics3 Build or ...
By: brico3d

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Fri, 22 Jul 2016 11:23:49 PDT
Use the Right Resistor! http://www.instructables.com/id/Use-the-Right-Resistor/
Use the Right Resistor! - More DIY How To Projects]]> https://cdn.instructables.com/FBG/B6Z8/IQGT0F4D/FBGB6Z8IQGT0F4D.SQUARE2.jpg https://cdn.instructables.com/FBG/B6Z8/IQGT0F4D/FBGB6Z8IQGT0F4D.SQUARE.jpg https://cdn.instructables.com/FBG/B6Z8/IQGT0F4D/FBGB6Z8IQGT0F4D.SMALL.jpg Sutty5 PLAY VIDEOWatch this video to find out how to choose the right resistor and how resistors can set on fire if the right one wasn't chosen.To see more from me, subscribe to Simply Electronics on YouTube. Follow on TwitterLike on Facebook
By: Sutty5

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Sun, 10 Jul 2016 18:53:54 PDT
Learn About Measuring Voltages In Minutes http://www.instructables.com/id/Learn-About-Measuring-Voltages-in-Minutes/
Learn About Measuring Voltages In Minutes - More DIY How To Projects]]> https://cdn.instructables.com/F30/JQQZ/IQ2MHIBD/F30JQQZIQ2MHIBD.SQUARE2.jpg https://cdn.instructables.com/F30/JQQZ/IQ2MHIBD/F30JQQZIQ2MHIBD.SQUARE.jpg https://cdn.instructables.com/F30/JQQZ/IQ2MHIBD/F30JQQZIQ2MHIBD.SMALL.jpg mandlabs Hi. You can download the PDF and immediately start working on the tutorial. To get detailed learning video on 'measuring voltage using a digital multimeter', go to the following link: Click here Observation Get the Detailed Video If you are interested in learnin...
By: mandlabs

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Thu, 30 Jun 2016 11:45:04 PDT
Installing a battery capacity meter. http://www.instructables.com/id/Installing-a-Battery-Capacity-Meter/
Installing a battery capacity meter. - More DIY How To Projects]]> https://cdn.instructables.com/FLG/INPE/IPQ4LF6H/FLGINPEIPQ4LF6H.SQUARE2.jpg https://cdn.instructables.com/FLG/INPE/IPQ4LF6H/FLGINPEIPQ4LF6H.SQUARE.jpg https://cdn.instructables.com/FLG/INPE/IPQ4LF6H/FLGINPEIPQ4LF6H.SMALL.jpg Mjtrinihobby I always wanted an easy to read battery capacity meter on my home solar battery bank. Here is how I installed one in less than 10minutes. The meter. This meter I got off Amazon.com and it tells the capacity and voltage of the target battery bank. It has only one white pushbutton switch behind i...
By: Mjtrinihobby

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Wed, 22 Jun 2016 02:47:04 PDT
AC vs DC Power (Interactive!) http://www.instructables.com/id/AC-Vs-DC-Power/
AC vs DC Power (Interactive!) - More DIY How To Projects]]> https://cdn.instructables.com/FY5/JQ93/IPLF1N9U/FY5JQ93IPLF1N9U.SQUARE2.jpg https://cdn.instructables.com/FY5/JQ93/IPLF1N9U/FY5JQ93IPLF1N9U.SQUARE.jpg https://cdn.instructables.com/FY5/JQ93/IPLF1N9U/FY5JQ93IPLF1N9U.SMALL.jpg Sutty5 PLAY VIDEO Watch the video to learn about the fundamental differences between AC and DC Power.Try this circuit!: EveryCircuit AC v DCTo see more from me, subscribe to Simply Electronics on YouTube.Follow on TwitterLike on FaceBook
By: Sutty5

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Sat, 18 Jun 2016 14:30:01 PDT
Generating Voltage on a Piezoelectric Disc Using Light http://www.instructables.com/id/Generating-Voltage-on-a-Piezoelectric-Disc-Using-L/
Generating Voltage on a Piezoelectric Disc Using Light - More DIY How To Projects]]> https://cdn.instructables.com/FDV/K7J9/IOX4KNBZ/FDVK7J9IOX4KNBZ.SQUARE2.jpg https://cdn.instructables.com/FDV/K7J9/IOX4KNBZ/FDVK7J9IOX4KNBZ.SQUARE.jpg https://cdn.instructables.com/FDV/K7J9/IOX4KNBZ/FDVK7J9IOX4KNBZ.SMALL.jpg KickolasNage Piezoelectric discs are fun little devices that take advantage of crystalline structures compressing to produce a voltage. You may know them better as speakers! Yes, supplying a voltage will create a distortion in the crystalline structure to produce sound. So whether you produce voltage or supply v...
By: KickolasNage

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Wed, 1 Jun 2016 15:42:20 PDT
How to design seven segment display driver chip on VLSI consept for the first time!? http://www.instructables.com/id/How-to-Design-Seven-Segment-Display-Driver-Chip-on/
How to design seven segment display driver chip on VLSI consept for the first time!? - More DIY How To Projects]]> https://cdn.instructables.com/FEY/6BLG/IOLU7SWC/FEY6BLGIOLU7SWC.SQUARE2.jpg https://cdn.instructables.com/FEY/6BLG/IOLU7SWC/FEY6BLGIOLU7SWC.SQUARE.jpg https://cdn.instructables.com/FEY/6BLG/IOLU7SWC/FEY6BLGIOLU7SWC.SMALL.jpg Bay Yolal Today, I am going to show you how to design a seven segment display electronic component's driver which is similar with 7447 chip. This project was I did when in my university's last year, thanks to my lecturer, I learned how to desing a chip with Tanner Tools program. With Tanner Eda Tools program,...
By: Bay Yolal

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Tue, 24 May 2016 14:50:24 PDT
High voltage power supply http://www.instructables.com/id/High-Voltage-Power-Supply-1/
High voltage power supply - More DIY How To Projects]]> https://cdn.instructables.com/F69/JZWM/IMUTQKFU/F69JZWMIMUTQKFU.SQUARE2.jpg https://cdn.instructables.com/F69/JZWM/IMUTQKFU/F69JZWMIMUTQKFU.SQUARE.jpg https://cdn.instructables.com/F69/JZWM/IMUTQKFU/F69JZWMIMUTQKFU.SMALL.jpg CrtSuznik While working with electronics, chances are sooner or later, you'll want or need a high voltage power supply.This is a version you can make at home in a short amount of time.Of course you should be careful while working with high voltage and electricity in general.If you indeed hurt yourself in anyw...
By: CrtSuznik

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Mon, 11 Apr 2016 06:10:45 PDT
Portable Adjustable Mini Powersupply http://www.instructables.com/id/Portable-Adjustable-Mini-Powersupply/
Portable Adjustable Mini Powersupply - More DIY How To Projects]]> https://cdn.instructables.com/FNL/UZW2/ILIAWKRY/FNLUZW2ILIAWKRY.SQUARE2.jpg https://cdn.instructables.com/FNL/UZW2/ILIAWKRY/FNLUZW2ILIAWKRY.SQUARE.jpg https://cdn.instructables.com/FNL/UZW2/ILIAWKRY/FNLUZW2ILIAWKRY.SMALL.jpg Mixed Output A BIG HELLO! and welcome to Mixed Outputs first instructable.As most of my project involve electronics of some sort, having a good power supply is essential to be able to meet the demand of different power requirements. So I built me a bench-top power supply from an old ATX power supply Unit (PSU) t...
By: Mixed Output

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Tue, 8 Mar 2016 03:52:02 PST
Voltage, Current and Resistance http://www.instructables.com/id/Voltage-Current-and-Resistance/
Voltage, Current and Resistance - More DIY How To Projects]]> https://cdn.instructables.com/FW5/PGUM/IJLZX3RT/FW5PGUMIJLZX3RT.SQUARE2.jpg https://cdn.instructables.com/FW5/PGUM/IJLZX3RT/FW5PGUMIJLZX3RT.SQUARE.jpg https://cdn.instructables.com/FW5/PGUM/IJLZX3RT/FW5PGUMIJLZX3RT.SMALL.jpg magkopian In this instructable I will attempt to teach you about the three most fundamental things in electronics, the current, the voltage and the resistance.Before we get started please keep in mind that I've tried to exclude as much about the physics that are involved into the subject as I could. This was ...
By: magkopian

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Tue, 19 Jan 2016 15:23:26 PST
Non-Contact Voltage Detector http://www.instructables.com/id/Non-Contact-Voltage-Detector-1/
Non-Contact Voltage Detector - More DIY How To Projects]]> https://cdn.instructables.com/FGA/NPXX/IJD79ASB/FGANPXXIJD79ASB.SQUARE2.jpg https://cdn.instructables.com/FGA/NPXX/IJD79ASB/FGANPXXIJD79ASB.SQUARE.jpg https://cdn.instructables.com/FGA/NPXX/IJD79ASB/FGANPXXIJD79ASB.SMALL.jpg MehtlliK Non-contact voltage detector is a handy device which is useful for indicating if there current running in the circuit or system.it consist of three transistors which acts as a switch in the circuit which amplify the current detected and a parallel connection of resistor in a increasing manner from 2...
By: MehtlliK

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Wed, 13 Jan 2016 22:33:44 PST
TEG / Peltier Plate Test Rig with Temperature / Voltage / Current Logger http://www.instructables.com/id/TEG-Peltier-Plate-Rig-With-Temperature-Voltage-Cur/
TEG / Peltier Plate Test Rig with Temperature / Voltage / Current Logger - More DIY How To Projects]]> https://cdn.instructables.com/FUD/0VVI/IIHTNW2K/FUD0VVIIIHTNW2K.SQUARE2.jpg https://cdn.instructables.com/FUD/0VVI/IIHTNW2K/FUD0VVIIIHTNW2K.SQUARE.jpg https://cdn.instructables.com/FUD/0VVI/IIHTNW2K/FUD0VVIIIHTNW2K.SMALL.jpg niebz This rig was made up to log two temperatures and the corresponding voltage/current output from a TEG plate.The two thermocouples will measure the difference in temperature and log it with the real time voltage and current outputs. The purpose of this is to confirm and verify data with a mathematical...
By: niebz

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Tue, 22 Dec 2015 17:06:02 PST
Variable voltage supply http://www.instructables.com/id/Variable-voltage-supply/
Variable voltage supply - More DIY How To Projects]]> https://cdn.instructables.com/FKZ/6SDX/II30X9BJ/FKZ6SDXII30X9BJ.SQUARE2.jpg https://cdn.instructables.com/FKZ/6SDX/II30X9BJ/FKZ6SDXII30X9BJ.SQUARE.jpg https://cdn.instructables.com/FKZ/6SDX/II30X9BJ/FKZ6SDXII30X9BJ.SMALL.jpg rishabh8721 Its a simple and handy 'LM317 voltage regulator' based variable voltage supply. Along with some capacitors and resistors. Materials required Electrical components:- 1. LM317 voltage regulator 2. Variable resistor (10k ohm in my case) 3. R2 resistance (R2 value in step 2) 4. 1 uF capacitor 5. 0.1 ...
By: rishabh8721

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Sun, 6 Dec 2015 07:41:45 PST
Big Sparks With Flyback Transformer (it shocked me) http://www.instructables.com/id/Big-Sparks-With-Flyback-Transformer/
Big Sparks With Flyback Transformer (it shocked me) - More DIY How To Projects]]> https://cdn.instructables.com/F9F/294R/IHT0U5JS/F9F294RIHT0U5JS.SQUARE2.jpg https://cdn.instructables.com/F9F/294R/IHT0U5JS/F9F294RIHT0U5JS.SQUARE.jpg https://cdn.instructables.com/F9F/294R/IHT0U5JS/F9F294RIHT0U5JS.SMALL.jpg Testas.T In this video i show my homemade flyback driver, which makes big arcs. Now i was using my powerful power supply because it draws about 8 Amps. In internet everywhere i read about this driver it uses 2 Amps, 24-30V but it draws 8A at 12v. So if i would rise voltage up to 24V amps draw would climb hig...
By: Testas.T

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Thu, 3 Dec 2015 07:40:53 PST
Home wound High Voltage Transformer http://www.instructables.com/id/Home-wound-High-Voltage-Transformer/
Home wound High Voltage Transformer - More DIY How To Projects]]> https://cdn.instructables.com/FT1/E4IN/IHP4JBQ0/FT1E4INIHP4JBQ0.SQUARE2.jpg https://cdn.instructables.com/FT1/E4IN/IHP4JBQ0/FT1E4INIHP4JBQ0.SQUARE.jpg https://cdn.instructables.com/FT1/E4IN/IHP4JBQ0/FT1E4INIHP4JBQ0.SMALL.jpg bba3 Extremely dangerous, but fun to look at . Draws 50 - 65 amps from the mains when ballasted and 80 - 100 when not ballasted. Obtain enamelled copper wire 18 AWG For overwind8 AWG for primaryFor 230 VAC input, we are going to need 230 + 770 turns. One turn is about 40 cm, so get at least 400 meter...
By: bba3

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Thu, 15 Oct 2015 13:13:54 PDT
Toy Motors http://www.instructables.com/id/Toy-Motors/
Toy Motors - More DIY How To Projects]]> https://cdn.instructables.com/F66/MGTN/IFF8AUUT/F66MGTNIFF8AUUT.SQUARE2.jpg https://cdn.instructables.com/F66/MGTN/IFF8AUUT/F66MGTNIFF8AUUT.SQUARE.jpg https://cdn.instructables.com/F66/MGTN/IFF8AUUT/F66MGTNIFF8AUUT.SMALL.jpg KunalK6 Motors? what do you know about them? a shaft that has permanent magnets around and copper coil wounded, which rotates when current passes through it. yes not only Current 'I' but the potential difference 'V' is also important for a motor to rotate. This implies it's power that is important. For nay ...
By: KunalK6

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Tue, 6 Oct 2015 12:30:50 PDT
LM317 Variable Power Supply http://www.instructables.com/id/LM317-Variable-Power-Supply/
LM317 Variable Power Supply - More DIY How To Projects]]> https://cdn.instructables.com/F3B/SRIE/IEOPAH0A/F3BSRIEIEOPAH0A.SQUARE2.jpg https://cdn.instructables.com/F3B/SRIE/IEOPAH0A/F3BSRIEIEOPAH0A.SQUARE.jpg https://cdn.instructables.com/F3B/SRIE/IEOPAH0A/F3BSRIEIEOPAH0A.SMALL.jpg Khaleel123 The LM317 variable power supply is very popular and works well in many situations. It can take in up to 40 volts and vary the output voltage from 1.2 volts - 37 volts. While providing up to 1.5 amps of current with a proper heat sink installed. Its important to note the larger the difference between...
By: Khaleel123

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Thu, 17 Sep 2015 14:42:25 PDT
What's Inside? #5: 1250W LG Microwave? +Magnetron! (Salvaging Electronic Components) http://www.instructables.com/id/Whats-Inside-1250W-LG-Microwave-Magnetron/
What's Inside? #5: 1250W LG Microwave? +Magnetron! (Salvaging Electronic Components) - More DIY How To Projects]]> https://cdn.instructables.com/FX4/OCA3/IEOPASNU/FX4OCA3IEOPASNU.SQUARE2.jpg https://cdn.instructables.com/FX4/OCA3/IEOPASNU/FX4OCA3IEOPASNU.SQUARE.jpg https://cdn.instructables.com/FX4/OCA3/IEOPASNU/FX4OCA3IEOPASNU.SMALL.jpg Yonatan24 This is a microwave that I found on the street near my house.Lets take it apart!!!WARNING: Taking apart electronic devices is VERY DANGEROUS and especially a microwave!Please remember that I am a trained professional idiot at taking apart electronic devices, DO NOT take apart any kind of electronic ...
By: Yonatan24

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Wed, 16 Sep 2015 07:07:13 PDT
Bench PSU Power Supply from Old ATX with Arduino and LCD Monitor http://www.instructables.com/id/Bench-PSU-from-Old-ATX-with-LCD-Monitor/
Bench PSU Power Supply from Old ATX with Arduino and LCD Monitor - More DIY How To Projects]]> https://cdn.instructables.com/F6P/J76X/IDRLHAZT/F6PJ76XIDRLHAZT.SQUARE2.jpg https://cdn.instructables.com/F6P/J76X/IDRLHAZT/F6PJ76XIDRLHAZT.SQUARE.jpg https://cdn.instructables.com/F6P/J76X/IDRLHAZT/F6PJ76XIDRLHAZT.SMALL.jpg l19bal Hello all and welcome to my first Instructable.I've always wanted a bench PSU for easy access to a power source, and something that I can rely on when working on various projects. I wanted a PSU that: • provides 12v, 5v, and 3.3v outputs • provides variable voltage outputs • has an LCD monitor ...
By: l19bal

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Sat, 29 Aug 2015 12:37:51 PDT
Linear Adjustable Power Supply http://www.instructables.com/id/Linear-Adjustable-Power-Supply/
Linear Adjustable Power Supply - More DIY How To Projects]]> https://cdn.instructables.com/FSP/5CYH/IDQHQFP6/FSP5CYHIDQHQFP6.SQUARE2.jpg https://cdn.instructables.com/FSP/5CYH/IDQHQFP6/FSP5CYHIDQHQFP6.SQUARE.jpg https://cdn.instructables.com/FSP/5CYH/IDQHQFP6/FSP5CYHIDQHQFP6.SMALL.jpg chienline I bought a power supply with 3 to 12 volts variable voltage selector last year. But guess what, it never work as expected. Any voltage I chose, it threw out 12 volts. So long it was laying in its box until I decided to mod it last month.. er.. actually it has been months until I finish this iBle :DI...
By: chienline

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Mon, 24 Aug 2015 23:26:00 PDT
Super recycled benchtop power supply http://www.instructables.com/id/Super-recycled-benchtop-power-supply/
Super recycled benchtop power supply - More DIY How To Projects]]> https://cdn.instructables.com/FWJ/XI13/IDON7XPP/FWJXI13IDON7XPP.SQUARE2.jpg https://cdn.instructables.com/FWJ/XI13/IDON7XPP/FWJXI13IDON7XPP.SQUARE.jpg https://cdn.instructables.com/FWJ/XI13/IDON7XPP/FWJXI13IDON7XPP.SMALL.jpg juaspo Working with electronics you are bound to need different voltage sources for your projects. So having a good and reliable benchtop power supply is way, way, waaay easier and more convenient than having to combine batteries in different ways or trying to find a power adaptor that can deliver just tha...
By: juaspo

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Sun, 23 Aug 2015 19:25:47 PDT
How to hook up voltage divider http://www.instructables.com/id/How-to-make-voltage-divider/
How to hook up voltage divider - More DIY How To Projects]]> https://cdn.instructables.com/F46/0OO9/ICRHR8T9/F460OO9ICRHR8T9.SQUARE2.jpg https://cdn.instructables.com/F46/0OO9/ICRHR8T9/F460OO9ICRHR8T9.SQUARE.jpg https://cdn.instructables.com/F46/0OO9/ICRHR8T9/F460OO9ICRHR8T9.SMALL.jpg Ivica_Matic Hi all.In this simple tutorial i will show you how to set up votage divider whith 2 resistors.I use 2 100Ohm resistor so i should get voltage divided in half.So lets get started. Add resistors We need to add resistors in series to get voltage drop on each,that is purpose of voltage divider. Mes...
By: Ivica_Matic

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Wed, 29 Jul 2015 09:50:54 PDT
Voltage doubler http://www.instructables.com/id/Voltage-doubler/
Voltage doubler - More DIY How To Projects]]> https://cdn.instructables.com/F76/UGMT/IAXA5ZE0/F76UGMTIAXA5ZE0.SQUARE2.jpg https://cdn.instructables.com/F76/UGMT/IAXA5ZE0/F76UGMTIAXA5ZE0.SQUARE.jpg https://cdn.instructables.com/F76/UGMT/IAXA5ZE0/F76UGMTIAXA5ZE0.SMALL.jpg kathirava let's have a view on circuit diagram components required 1) Diode 22) Capacitors 23) Connecting wires4) Bread board5) Multimeter6) ac source 12 v Description give the connection as per the circuit diagram, the two violet wires are used to check the output. Testing We got the doubled output....
By: kathirava

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Mon, 15 Jun 2015 01:53:13 PDT
Benchtop DC Power Supply http://www.instructables.com/id/Benchtop-DC-Power-Supply/
Benchtop DC Power Supply - More DIY How To Projects]]> https://cdn.instructables.com/FNP/1BSA/IASCSDS9/FNP1BSAIASCSDS9.SQUARE2.jpg https://cdn.instructables.com/FNP/1BSA/IASCSDS9/FNP1BSAIASCSDS9.SQUARE.jpg https://cdn.instructables.com/FNP/1BSA/IASCSDS9/FNP1BSAIASCSDS9.SMALL.jpg lawrence.esterlen This has been done probably hundreds of times here on Instructables, but I think that this is a great starter project for anyone interested in getting into electronics as a hobby. I am a U.S. Navy Electronics Technician, and even with costly test equipment at my disposal, I still consider this cheap...
By: lawrence.esterlen

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Thu, 11 Jun 2015 16:57:37 PDT
How to use a potentiometer as a voltage divider. http://www.instructables.com/id/How-to-use-a-potentiometer-as-a-voltage-divider/
How to use a potentiometer as a voltage divider. - More DIY How To Projects]]> https://cdn.instructables.com/FB7/KFHH/I9OSR9SJ/FB7KFHHI9OSR9SJ.SQUARE2.jpg https://cdn.instructables.com/FB7/KFHH/I9OSR9SJ/FB7KFHHI9OSR9SJ.SQUARE.jpg https://cdn.instructables.com/FB7/KFHH/I9OSR9SJ/FB7KFHHI9OSR9SJ.SMALL.jpg bweaver6 Hello and WelcomeThis Instructable is going to be short and sweet. I would like to share with you the power of potentiometers. A simple component that can be used as a voltage divider. You may be saying to yourself, "Duh, everyone knows that!" Well, unfortunately, this simple concept escaped many of...
By: bweaver6

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Thu, 14 May 2015 19:46:42 PDT
How to fabricate a lunch box into a dual 0-12VDC power supply. http://www.instructables.com/id/How-to-fabricate-a-lunch-box-into-a-dual-0-12VDC-p/
How to fabricate a lunch box into a dual 0-12VDC power supply. - More DIY How To Projects]]> https://cdn.instructables.com/FGJ/20FI/I9UDIVRX/FGJ20FII9UDIVRX.SQUARE2.jpg https://cdn.instructables.com/FGJ/20FI/I9UDIVRX/FGJ20FII9UDIVRX.SQUARE.jpg https://cdn.instructables.com/FGJ/20FI/I9UDIVRX/FGJ20FII9UDIVRX.SMALL.jpg bweaver6 Preface:Hello and welcome to my Instructable.I am a first year Electronic Engineering student and was given the opportunity to build a power supply. I was immediately fascinated but wanted to make more than a run of mill project. My original idea was to use a cigar box and pack as much into a small ...
By: bweaver6

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Tue, 12 May 2015 17:52:18 PDT
Common Emitter Amplifier http://www.instructables.com/id/Common-Emitter-Amplifier/
Common Emitter Amplifier - More DIY How To Projects]]> https://cdn.instructables.com/FC5/JLI9/I7YLIPM9/FC5JLI9I7YLIPM9.SQUARE2.jpg https://cdn.instructables.com/FC5/JLI9/I7YLIPM9/FC5JLI9I7YLIPM9.SQUARE.jpg https://cdn.instructables.com/FC5/JLI9/I7YLIPM9/FC5JLI9I7YLIPM9.SMALL.jpg Tom Neumiller A Common Emitter Amplifier is a remarkably simple, but also very useful, type of transistor circuit. The core purpose of this type of circuit is the ability to amplify a voltage applied to the base of a capacitor. This amplification has many useful applications, particularly in acoustics...
By: Tom Neumiller

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Wed, 1 Apr 2015 14:09:47 PDT
AC to DC Power Using a Full Wave Rectifier http://www.instructables.com/id/AC-to-DC-Power-Using-a-Full-Wave-Rectifier/
AC to DC Power Using a Full Wave Rectifier - More DIY How To Projects]]> https://cdn.instructables.com/FSJ/OGXP/I7RGMO54/FSJOGXPI7RGMO54.SQUARE2.jpg https://cdn.instructables.com/FSJ/OGXP/I7RGMO54/FSJOGXPI7RGMO54.SQUARE.jpg https://cdn.instructables.com/FSJ/OGXP/I7RGMO54/FSJOGXPI7RGMO54.SMALL.jpg Neel.Adhiraj AC is used to transmit power over long distances. The power we get from the electrical outlets in our home is AC power. However since most modern electrical appliances use DC at some level, we need to know how to effectively convert AC power to DC power. We can do this using a circuit known as a ful...
By: Neel.Adhiraj

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Mon, 30 Mar 2015 00:30:13 PDT
Homemade 0-25V 3.5A Variable Power Supply (even charges Batteries) http://www.instructables.com/id/Homemade-0-25V-35A-Variable-Power-Supply-even-char/
Homemade 0-25V 3.5A Variable Power Supply (even charges Batteries) - More DIY How To Projects]]> https://cdn.instructables.com/F15/5Z95/I6NI8KYS/F155Z95I6NI8KYS.SQUARE2.jpg https://cdn.instructables.com/F15/5Z95/I6NI8KYS/F155Z95I6NI8KYS.SQUARE.jpg https://cdn.instructables.com/F15/5Z95/I6NI8KYS/F155Z95I6NI8KYS.SMALL.jpg ConnorP3 This Power supply can charge batteries or just power things. It goes to 25V and 3.5 Amps. It is variable and has an indicator light Connectors These are alligator clip connecting to the power Supply Parts and Components Simple Layout Top Top view Both Solder Points Solder in this seq...
By: ConnorP3

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Sat, 28 Feb 2015 19:07:49 PST
How Electricity & Electronics Work: All you need to know guide to getting started http://www.instructables.com/id/Electronicselectricity-basics-All-you-need-to-know/
How Electricity & Electronics Work: All you need to know guide to getting started - More DIY How To Projects]]> https://cdn.instructables.com/F5N/PM06/I64XHML6/F5NPM06I64XHML6.SQUARE2.jpg https://cdn.instructables.com/F5N/PM06/I64XHML6/F5NPM06I64XHML6.SQUARE.jpg https://cdn.instructables.com/F5N/PM06/I64XHML6/F5NPM06I64XHML6.SMALL.jpg -max- Have you started a project, and found that you will need knowledge of how electricity works, and practical circuit design? Or you are involved with a science project and plan on demonstrating electricity and electronics? Then you have found the right place! To start things off, we will cover the bas...
By: -max-

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Fri, 13 Feb 2015 10:15:51 PST
Cheap Voltage Regulated Joule Thief power supply/charger http://www.instructables.com/id/Cheap-Voltage-Regulated-Joule-Thief-power-supplych/
Cheap Voltage Regulated Joule Thief power supply/charger - More DIY How To Projects]]> https://cdn.instructables.com/FGO/QXXK/I5THVYDD/FGOQXXKI5THVYDD.SQUARE2.jpg https://cdn.instructables.com/FGO/QXXK/I5THVYDD/FGOQXXKI5THVYDD.SQUARE.jpg https://cdn.instructables.com/FGO/QXXK/I5THVYDD/FGOQXXKI5THVYDD.SMALL.jpg Imetomi Maybe you know the very popular Joule Thief circuit, that usually is used to drive LEDs, but this instructable will show you how to regulate the output voltage up to 30 volts. You can regulate example to 5 volts that is enough to charge a phone or any USB device. It charges slowly but works. Or you ...
By: Imetomi

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Sat, 7 Feb 2015 07:00:36 PST
How to repair a heater http://www.instructables.com/id/How-to-repair-a-heater/
How to repair a heater - More DIY How To Projects]]> https://cdn.instructables.com/F45/2Q3N/IQB5164U/F452Q3NIQB5164U.SQUARE2.jpg https://cdn.instructables.com/F45/2Q3N/IQB5164U/F452Q3NIQB5164U.SQUARE.jpg https://cdn.instructables.com/F45/2Q3N/IQB5164U/F452Q3NIQB5164U.SMALL.jpg Applied Electronics Published on Jan 12, 2015In this presentation i would try to show you how you could repair a heater easily.You can watch the movie in bellow link:
By: Applied Electronics

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Mon, 12 Jan 2015 11:44:12 PST
Car Jump Starter EPC89 38000mAh http://www.instructables.com/id/Car-Jump-Starter-EPC89-38000mAh/
Car Jump Starter EPC89 38000mAh - More DIY How To Projects]]> https://cdn.instructables.com/FHT/WHYJ/IQB515PD/FHTWHYJIQB515PD.SQUARE2.jpg https://cdn.instructables.com/FHT/WHYJ/IQB515PD/FHTWHYJIQB515PD.SQUARE.jpg https://cdn.instructables.com/FHT/WHYJ/IQB515PD/FHTWHYJIQB515PD.SMALL.jpg Applied Electronics Published on Jan 9, 2014Review of Multi-Functions Car Jump Starter EPC89 38000mAh . you can watch the movie in bellow link:
By: Applied Electronics

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Fri, 9 Jan 2015 10:58:55 PST
2A Variable DC Power Supply for $7 http://www.instructables.com/id/2A-Variable-DC-Power-Supply-for-5/
2A Variable DC Power Supply for $7 - More DIY How To Projects]]> https://cdn.instructables.com/FI2/DDUP/I2P3TCSR/FI2DDUPI2P3TCSR.SQUARE2.jpg https://cdn.instructables.com/FI2/DDUP/I2P3TCSR/FI2DDUPI2P3TCSR.SQUARE.jpg https://cdn.instructables.com/FI2/DDUP/I2P3TCSR/FI2DDUPI2P3TCSR.SMALL.jpg tgvoss I have seen others building electronic variable power supplies from scratch with lots of parts. It usually ends up being over $20. This can be built in half the time and half the price. 4 - 40 VDC Input 1.25 - 37 VDC Output DC - DC Step Down - $4.91 12V Power Supply - $2.18 Connector Leads - ...
By: tgvoss

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Thu, 20 Nov 2014 11:18:04 PST
Using the HY1803D Power Supply http://www.instructables.com/id/Using-the-HY1803D-Power-Supply/
Using the HY1803D Power Supply - More DIY How To Projects]]> https://cdn.instructables.com/FVV/7HDI/I1WHFQMX/FVV7HDII1WHFQMX.SQUARE2.jpg https://cdn.instructables.com/FVV/7HDI/I1WHFQMX/FVV7HDII1WHFQMX.SQUARE.jpg https://cdn.instructables.com/FVV/7HDI/I1WHFQMX/FVV7HDII1WHFQMX.SMALL.jpg SLOMakerSpace The HY1803D is a reasonably priced power supply that will provide suitable power for many low-power electronics projects. From the manual, the specifications are:Voltage Output: 0 V-18 V DC ± 1% in increments of centivolts (0.01 V)Current Output: 0A - 3A ± 2% in increments of centiamps (0.01 A)Opera...
By: SLOMakerSpace

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Thu, 30 Oct 2014 16:25:14 PDT
Li - Ion battery level indicator http://www.instructables.com/id/Li-Ion-battery-level-indicator/
Li - Ion battery level indicator - More DIY How To Projects]]> https://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SQUARE2.jpg https://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SQUARE.jpg https://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SMALL.jpg Osvaldas Are you looking for a simple circuit to measure your Lithium Ion single cell charging and discharging level? Here is one chip circuit, powered up from the same Lithium Ion battery you want to measure.This circuit is design to measure 3.7V rechargeable batteries level. 4.2V - 100%; 4V - 80%; 3.8V - ...
By: Osvaldas

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

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Mon, 6 Oct 2014 15:17:14 PDT
Easy high voltage fly swatter mod http://www.instructables.com/id/Easy-high-voltage-fly-swatter-mod/
Easy high voltage fly swatter mod - More DIY How To Projects]]> https://cdn.instructables.com/FMO/EGS4/I0HYNJO6/FMOEGS4I0HYNJO6.SQUARE2.jpg https://cdn.instructables.com/FMO/EGS4/I0HYNJO6/FMOEGS4I0HYNJO6.SQUARE.jpg https://cdn.instructables.com/FMO/EGS4/I0HYNJO6/FMOEGS4I0HYNJO6.SMALL.jpg The Freak Caution - High voltage. Keep away from children and pets. I am not responsible for any form of harm done to yourself or others. So, having said that, I always wanted to adapt a fly swatter to something more serious. Standard electric fly swatters handle what I think to be about 600 to 1000V, this mo...
By: The Freak

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Sat, 20 Sep 2014 07:28:54 PDT
Sealed battery box 12v/24v using a DPDT switch http://www.instructables.com/id/Sealed-battery-box-12v24v-with-a-switch/
Sealed battery box 12v/24v using a DPDT switch - More DIY How To Projects]]> https://cdn.instructables.com/F8Y/6BDP/HZ3YBNPN/F8Y6BDPHZ3YBNPN.SQUARE2.jpg https://cdn.instructables.com/F8Y/6BDP/HZ3YBNPN/F8Y6BDPHZ3YBNPN.SQUARE.jpg https://cdn.instructables.com/F8Y/6BDP/HZ3YBNPN/F8Y6BDPHZ3YBNPN.SMALL.jpg RehabIsForQuitters In this instructable I will show you how to build a sealed battery box. It's not completely water tight but rain is no problem for it. Since building this I have found it to be a great mobile power supply for many things even running power tools while camping where there are no electric hookups.The ...
By: RehabIsForQuitters

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Thu, 21 Aug 2014 12:49:03 PDT
Ohmmeter http://www.instructables.com/id/Ohmmeter/
Ohmmeter - More DIY How To Projects]]> https://cdn.instructables.com/FUV/J4G5/IQB516ME/FUVJ4G5IQB516ME.SQUARE2.jpg https://cdn.instructables.com/FUV/J4G5/IQB516ME/FUVJ4G5IQB516ME.SQUARE.jpg https://cdn.instructables.com/FUV/J4G5/IQB516ME/FUVJ4G5IQB516ME.SMALL.jpg Applied Electronics Hi,This project will explain to you how to build a simple device to measure low resistance up to 1mR.With this project you can measure wires, resistors, shunts. Etc…It’s a very useful for high current application wiring and shunt design.you can watch the movie in bellow link:for up-to-date contents,...
By: Applied Electronics

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Sun, 27 Jul 2014 06:33:38 PDT
Coilgun http://www.instructables.com/id/Coil-Gun/
Coilgun - More DIY How To Projects]]> https://cdn.instructables.com/F62/BR15/HY7392YG/F62BR15HY7392YG.SQUARE2.jpg https://cdn.instructables.com/F62/BR15/HY7392YG/F62BR15HY7392YG.SQUARE.jpg https://cdn.instructables.com/F62/BR15/HY7392YG/F62BR15HY7392YG.SMALL.jpg Djnix I came up with my own design so I'm not going to tell you how to do yours. I only ask that you cover any exposed wires to prevent electrical shock. The voltage is high enough to Hurt you badly. Materials PVC Charging circuitProjectileThyristor WiresTrigger switchHot glue400v capacitors (I used 82...
By: Djnix

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Sat, 26 Jul 2014 10:55:45 PDT
Soldering Iron Control Temp http://www.instructables.com/id/Soldering-Iron-Control-Temp/
Soldering Iron Control Temp - More DIY How To Projects]]> https://cdn.instructables.com/FAI/UMBW/IQB516UW/FAIUMBWIQB516UW.SQUARE2.jpg https://cdn.instructables.com/FAI/UMBW/IQB516UW/FAIUMBWIQB516UW.SQUARE.jpg https://cdn.instructables.com/FAI/UMBW/IQB516UW/FAIUMBWIQB516UW.SMALL.jpg Applied Electronics Published on Jul 28, 2014 This project will help you controlling the temp of your soldering iron. As well an indication while in on status The advantages of this project, clean solder joint, minimize tip wear.you can watch the movie in bellow link:for up-to-date conte...
By: Applied Electronics

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Sat, 26 Jul 2014 10:49:06 PDT