Instructables: exploring - technology - electronics - popular http://www.instructables.com Fri, 2 Dec 2016 12:43:16 PST BLOX v1.01 Soft Latching Power Switch ON / OFF Circuit http://www.instructables.com/id/Soft-Latching-Power-Switch-ON-OFF-Circuit/
Soft Latching Power Switch ON / OFF Circuit - More DIY How To Projects]]> https://cdn.instructables.com/FCY/FW9A/IB6C67PY/FCYFW9AIB6C67PY.SQUARE2.jpg https://cdn.instructables.com/FCY/FW9A/IB6C67PY/FCYFW9AIB6C67PY.SQUARE.jpg https://cdn.instructables.com/FCY/FW9A/IB6C67PY/FCYFW9AIB6C67PY.SMALL.jpg Kedar Nimbalkar Simplest Soft Latching Power Push Switch ON/OFF CircuitThis soft Latching Power Switch circuit design contain only two transistor, resistors and momentary push button switches,so this is one of the cheapest way to get your work doneYou can use any Transistor in this circuit, just it will need to fin...
By: Kedar Nimbalkar

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Sun, 21 Jun 2015 07:48:19 PDT
The Digital Doormat http://www.instructables.com/id/The-Digital-Doormat/
The Digital Doormat - More DIY How To Projects]]> https://cdn.instructables.com/FGQ/XOHZ/IVMQ3535/FGQXOHZIVMQ3535.SQUARE2.jpg https://cdn.instructables.com/FGQ/XOHZ/IVMQ3535/FGQXOHZIVMQ3535.SQUARE.jpg https://cdn.instructables.com/FGQ/XOHZ/IVMQ3535/FGQXOHZIVMQ3535.SMALL.jpg zposner The digital doormat is a doormat that sends you an email when it is stepped on. Have you ever been curious about who is coming and going from your house? This simple electronics project can provide valuable information regarding the whereabouts of your visitors. It can also be easily modified to per...
By: zposner

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Mon, 21 Nov 2016 20:31:51 PST
Make a one chip RAM (random access memory) http://www.instructables.com/id/Make-a-one-chip-RAM-random-access-memory/
Make a one chip RAM (random access memory) - More DIY How To Projects]]> https://cdn.instructables.com/FZH/I551/GQYGKM8J/FZHI551GQYGKM8J.SQUARE2.jpg https://cdn.instructables.com/FZH/I551/GQYGKM8J/FZHI551GQYGKM8J.SQUARE.jpg https://cdn.instructables.com/FZH/I551/GQYGKM8J/FZHI551GQYGKM8J.SMALL.jpg yaly Hi,since this is my first instructable and English is not my mother language so please excuse me for mistakes. This instructable I'm going to show you how to make a RAM to use with a micro-controller for storing data and it is also expandable and uses only one IC and no other components. It is easy...
By: yaly

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Sun, 26 Jun 2011 10:47:42 PDT
Make Coiled Wire http://www.instructables.com/id/Make-Coiled-Wire/
Make Coiled Wire - More DIY How To Projects]]> https://cdn.instructables.com/FZD/6QOK/IVO4NOOG/FZD6QOKIVO4NOOG.SQUARE2.jpg https://cdn.instructables.com/FZD/6QOK/IVO4NOOG/FZD6QOKIVO4NOOG.SQUARE.jpg https://cdn.instructables.com/FZD/6QOK/IVO4NOOG/FZD6QOKIVO4NOOG.SMALL.jpg mikeasaurus Coiled wires (also called retractile cords) are great for keeping long wires tidy and together. Their springy nature allows them to be stretched and then return to their coiled shape, keeping your wire localized and neat looking.Making your own coiled wires is super easy, and will work on almost any...
By: mikeasaurus

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Mon, 28 Nov 2016 12:58:29 PST
How to fix a Broken GM Key Fob http://www.instructables.com/id/How-to-fix-a-Broken-GM-Key-Fob/
How to fix a Broken GM Key Fob - More DIY How To Projects]]> https://cdn.instructables.com/FZY/7PWI/GM0COPQL/FZY7PWIGM0COPQL.SQUARE2.jpg https://cdn.instructables.com/FZY/7PWI/GM0COPQL/FZY7PWIGM0COPQL.SQUARE.jpg https://cdn.instructables.com/FZY/7PWI/GM0COPQL/FZY7PWIGM0COPQL.SMALL.jpg Scrammo74 I had 3 broken key fobs, electronics were good, but casings were broken at the ring. I could have ordered new covers, but at a cost of around $20 dollars each and $40 shipping to Canada..it was way over $100 with tax. My 10 year old GM is not worth that for keyrings. This cost $1.25 + tax for wire a...
By: Scrammo74

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Mon, 4 Apr 2011 09:06:13 PDT
antena HD PVC http://www.instructables.com/id/antena-HD-PVC/
antena HD PVC - More DIY How To Projects]]> https://cdn.instructables.com/F53/2HJX/IB21WZ4U/F532HJXIB21WZ4U.SQUARE2.jpg https://cdn.instructables.com/F53/2HJX/IB21WZ4U/F532HJXIB21WZ4U.SQUARE.jpg https://cdn.instructables.com/F53/2HJX/IB21WZ4U/F532HJXIB21WZ4U.SMALL.jpg paco.05 en algunos paises o ciudades solo se cuenta con señal de tv analogica con esta antena podra recibir señales digitales, para mas y mejores canales alta definicion herramientas y materiales todos los materiales y herramientas se pueden comprar en cualquier ferreteria a un precio muy muy bajo y la...
By: paco.05

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Thu, 18 Jun 2015 10:06:36 PDT
ESP8266 Wifi Timer Switch for AC Loads http://www.instructables.com/id/ESP8266-Wifi-Timer-Switch-for-AC-Loads/
ESP8266 Wifi Timer Switch for AC Loads - More DIY How To Projects]]> https://cdn.instructables.com/FBP/J5O2/IJIX46KB/FBPJ5O2IJIX46KB.SQUARE2.jpg https://cdn.instructables.com/FBP/J5O2/IJIX46KB/FBPJ5O2IJIX46KB.SQUARE.jpg https://cdn.instructables.com/FBP/J5O2/IJIX46KB/FBPJ5O2IJIX46KB.SMALL.jpg kumaran512 This instructable is based on ESP8266 version ESP-01 which is programmed as wifi timer for switching AC loads.As ESP-01 has only 2 GPIOs, only 2 loads can be controlled, here my necessity is to control one AC load in timer delay off mode.Before proceeding further have good info about ESP8266 and its...
By: kumaran512

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Mon, 18 Jan 2016 00:03:20 PST
Tool Tip: How to Salvage PCB Parts http://www.instructables.com/id/Salvaging-PCB-Parts/
Tool Tip: How to Salvage PCB Parts - More DIY How To Projects]]> https://cdn.instructables.com/FBZ/DPEW/FCTI5IAI/FBZDPEWFCTI5IAI.SQUARE2.jpg https://cdn.instructables.com/FBZ/DPEW/FCTI5IAI/FBZDPEWFCTI5IAI.SQUARE.jpg https://cdn.instructables.com/FBZ/DPEW/FCTI5IAI/FBZDPEWFCTI5IAI.SMALL.jpg 1up If you're like me, you have a ton of PCBs laying around from things you've taken apart. Put them to good use and salvage the components from them. Stuff You'll be Using You need: Either a desoldering iron, a soldering iron and desoldering pump, or a soldering iron with desoldering wick or braid. ...
By: 1up

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Mon, 18 Feb 2008 18:07:54 PST
Dual USB Charger With Switching Regulator http://www.instructables.com/id/Portable-USB-Charger-1/
Dual USB Charger With Switching Regulator - More DIY How To Projects]]> https://cdn.instructables.com/F4N/NFE4/GB5HDVV6/F4NNFE4GB5HDVV6.SQUARE2.jpg https://cdn.instructables.com/F4N/NFE4/GB5HDVV6/F4NNFE4GB5HDVV6.SQUARE.jpg https://cdn.instructables.com/F4N/NFE4/GB5HDVV6/F4NNFE4GB5HDVV6.SMALL.jpg rocketman221 This is a portable USB Charger. It uses a high efficiency switching regulator that runs at 85 - 94% efficiency depending on input voltage and load. It takes an input voltage from 8 to 16 volts and can run from anything from a 9 volt battery to a car battery. It has 2 USB ports and easily charges 2 p...
By: rocketman221

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Sun, 11 Jul 2010 23:21:23 PDT
How to Attach (or Reattach) EL Tape (Electroluminescent Tape) http://www.instructables.com/id/How-to-Attach-or-Reattach-EL-Tape-Electrolumine/
How to Attach (or Reattach) EL Tape (Electroluminescent Tape) - More DIY How To Projects]]> https://cdn.instructables.com/F7J/GX76/GUEK9SP9/F7JGX76GUEK9SP9.SQUARE2.jpg https://cdn.instructables.com/F7J/GX76/GUEK9SP9/F7JGX76GUEK9SP9.SQUARE.jpg https://cdn.instructables.com/F7J/GX76/GUEK9SP9/F7JGX76GUEK9SP9.SMALL.jpg ElectricFeel When trying to connect EL Tape, if you have worked with other electronics or EL Wire before, then this should come very easily to you. If you are familiar with most electronics but have never worked with EL Wire before, it still may come fairly easily for you as this concept is actually easier than ...
By: ElectricFeel

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Mon, 31 Oct 2011 13:51:05 PDT
555 Useless Machine http://www.instructables.com/id/555-Useless-Machine/
555 Useless Machine - More DIY How To Projects]]> https://cdn.instructables.com/F6B/3K22/IVO3RRSM/F6B3K22IVO3RRSM.SQUARE2.jpg https://cdn.instructables.com/F6B/3K22/IVO3RRSM/F6B3K22IVO3RRSM.SQUARE.jpg https://cdn.instructables.com/F6B/3K22/IVO3RRSM/F6B3K22IVO3RRSM.SMALL.jpg Nikus Almost every project that I made in my life use arduino or just atmegas, but on last electronic lesson in my school I found small integrated circuit called 555. I have heard about it before but I was thinking that microcontrollers are better. I read something about 555 in the internet and I found th...
By: Nikus

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Mon, 21 Nov 2016 06:58:30 PST
PCB etching (prototyping) http://www.instructables.com/id/PCB-Etching-prototyping/
PCB etching (prototyping) - More DIY How To Projects]]> https://cdn.instructables.com/FLN/2DZ0/IVMQ0GMQ/FLN2DZ0IVMQ0GMQ.SQUARE2.jpg https://cdn.instructables.com/FLN/2DZ0/IVMQ0GMQ/FLN2DZ0IVMQ0GMQ.SQUARE.jpg https://cdn.instructables.com/FLN/2DZ0/IVMQ0GMQ/FLN2DZ0IVMQ0GMQ.SMALL.jpg TechnicalKid Making circuits is great but what if you want to make your ideas a bit more permanent? That´s when it´s great to be able to make your own PCBs at home.I´ll show you how to make your own single sided Printed Circuit Boards at home. If you want to get one step further you can also learn how to tin an...
By: TechnicalKid

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Sun, 20 Nov 2016 12:19:01 PST
5V - 2A regulator http://www.instructables.com/id/5V-2A-regulator/
5V - 2A regulator - More DIY How To Projects]]> https://cdn.instructables.com/FAJ/VX20/IAWD5YD0/FAJVX20IAWD5YD0.SQUARE2.jpg https://cdn.instructables.com/FAJ/VX20/IAWD5YD0/FAJVX20IAWD5YD0.SQUARE.jpg https://cdn.instructables.com/FAJ/VX20/IAWD5YD0/FAJVX20IAWD5YD0.SMALL.jpg sooraj619 This is a regulator circuit using LM78S05 IC. it is a 5v regulator IC with 2A current output . this circuit is very useful for those who need more current output . this is an easy circuit and consists of very few components. Parts List 1. 1 x LM78S05 IC2. 1 x 220uf3. 1 x 47uf4. 1 x 1N54005. 1 x...
By: sooraj619

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Mon, 15 Jun 2015 08:41:47 PDT
Keurig water under pressure fix http://www.instructables.com/id/Kuerig-Water-Under-Pressure-Fix/
Keurig water under pressure fix - More DIY How To Projects]]> https://cdn.instructables.com/FVU/3XER/IL5J5W4E/FVU3XERIL5J5W4E.SQUARE2.jpg https://cdn.instructables.com/FVU/3XER/IL5J5W4E/FVU3XERIL5J5W4E.SQUARE.jpg https://cdn.instructables.com/FVU/3XER/IL5J5W4E/FVU3XERIL5J5W4E.SMALL.jpg Cluneke *MAKE SURE THE MACHINE IS UNPLUGGED FOR ALL THE STEPS DUE TO HIGH VOLTAGE*This instructable may very on disassembly per machine. What I am fixing in this tutorial is the pressure switch on the circuit board. I have had this machine(K200 series) for less than a month now and have only used it about 4...
By: Cluneke

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Sun, 28 Feb 2016 20:45:40 PST
Tesla Free Energy Air Circuit Design and Testing http://www.instructables.com/id/Tesla-Free-Energy-Air-Circuit-Design-and-Testing/
Tesla Free Energy Air Circuit Design and Testing - More DIY How To Projects]]> https://cdn.instructables.com/FAN/B35Q/IJQO3RQR/FANB35QIJQO3RQR.SQUARE2.jpg https://cdn.instructables.com/FAN/B35Q/IJQO3RQR/FANB35QIJQO3RQR.SQUARE.jpg https://cdn.instructables.com/FAN/B35Q/IJQO3RQR/FANB35QIJQO3RQR.SMALL.jpg dmainmon This video demonstrates a circuit design I found on YouTube called a Nikola Tesla Free Energy Air Circuit. That video showed a hand drawn circuit diagram that looked simple so I decided to build one. Actually, I ended up building a few. This instructable will demonstrate two of the circuits I made....
By: dmainmon

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Sat, 23 Jan 2016 18:06:25 PST
LM386 tube amp [homage] http://www.instructables.com/id/LM386-Tube-Amp-homage/
LM386 tube amp [homage] - More DIY How To Projects]]> https://cdn.instructables.com/FER/PQ61/IVMPYEEK/FERPQ61IVMPYEEK.SQUARE2.jpg https://cdn.instructables.com/FER/PQ61/IVMPYEEK/FERPQ61IVMPYEEK.SQUARE.jpg https://cdn.instructables.com/FER/PQ61/IVMPYEEK/FERPQ61IVMPYEEK.SMALL.jpg Pricklysauce I recently built the Bike Tyre Speaker and it really needed a little LM386 mono amp to boost the sound, as I wanted to 'Play It Loud'!My fascination with electronics started from dissecting old electrical equipment just to see what was inside......beauty and intrigue......what are those bits......I ...
By: Pricklysauce

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Fri, 18 Nov 2016 03:44:17 PST
Simple OP Amp radio http://www.instructables.com/id/Simple-OP-Amp-radio/
Simple OP Amp radio - More DIY How To Projects]]> https://cdn.instructables.com/FU6/8FI2/GB3XJ95R/FU68FI2GB3XJ95R.SQUARE2.jpg https://cdn.instructables.com/FU6/8FI2/GB3XJ95R/FU68FI2GB3XJ95R.SQUARE.jpg https://cdn.instructables.com/FU6/8FI2/GB3XJ95R/FU68FI2GB3XJ95R.SMALL.jpg MacDynamo This is just what you think it is, a radio made with an op amp. This is just as accidental and simplistic as my other radio instructable (the 555 radio) and actually made me ask myself if I was just an RF magnet or something. There is only about a handful of parts you need and while somewhat pricey ...
By: MacDynamo

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Sat, 3 Jul 2010 20:08:58 PDT
Diode Logic Gates - AND & OR http://www.instructables.com/id/Diode-Logic-Gates-AND-OR/
Diode Logic Gates - AND & OR - More DIY How To Projects]]> https://cdn.instructables.com/FE3/DXOZ/I36LF6E1/FE3DXOZI36LF6E1.SQUARE2.jpg https://cdn.instructables.com/FE3/DXOZ/I36LF6E1/FE3DXOZI36LF6E1.SQUARE.jpg https://cdn.instructables.com/FE3/DXOZ/I36LF6E1/FE3DXOZI36LF6E1.SMALL.jpg Bits4Bots In this Instructable we will build DRL circuits. Diode-Resistor LogicDiodes can perform switching and digital logic operations. Forward and reverse bias switch a diode between the low and high impedance states, respectively.So that it may serve as a switch.Logic Diodes can perform digital logic func...
By: Bits4Bots

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Sun, 30 Nov 2014 20:56:11 PST
Advanced Plasma Arc Speaker http://www.instructables.com/id/Advanced-Plasma-Arc-Speaker/
Advanced Plasma Arc Speaker - More DIY How To Projects]]> https://cdn.instructables.com/FAY/BE6A/IVA54FFI/FAYBE6AIVA54FFI.SQUARE2.jpg https://cdn.instructables.com/FAY/BE6A/IVA54FFI/FAYBE6AIVA54FFI.SQUARE.jpg https://cdn.instructables.com/FAY/BE6A/IVA54FFI/FAYBE6AIVA54FFI.SMALL.jpg Proto G Yes, what you hear in that video is only coming from the scorching hot, high voltage plasma arc. It is vibrating the surrounding air similar to a regular speaker but it does so but sending electrons across the spark gap at the same frequency of the music. It's a great conversation starter to keep...
By: Proto G

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Sun, 13 Nov 2016 08:33:00 PST
Easy Make PCB Board http://www.instructables.com/id/Easy-Make-PCB-Board/
Easy Make PCB Board - More DIY How To Projects]]> https://cdn.instructables.com/FJI/A32F/IV0AHQ9X/FJIA32FIV0AHQ9X.SQUARE2.jpg https://cdn.instructables.com/FJI/A32F/IV0AHQ9X/FJIA32FIV0AHQ9X.SQUARE.jpg https://cdn.instructables.com/FJI/A32F/IV0AHQ9X/FJIA32FIV0AHQ9X.SMALL.jpg Steve Willson Kujur HI Guys I'm Steve From India And Today i'm Going to Show to How To make a PCB Board.Click Here to See The Video What You Need Copper Clad clickPhoto Paper Laser Printer Ferric chloride PCB Drill clickCloth Iron Now Come to Work I'll do step by stepPrint Out Your PCB layout in photo paper wit...
By: Steve Willson Kujur

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Sat, 5 Nov 2016 03:23:17 PDT
Timex Battery Replacement http://www.instructables.com/id/Timex-Battery-Replacement/
Timex Battery Replacement - More DIY How To Projects]]> https://cdn.instructables.com/FDU/64WQ/I155KBCD/FDU64WQI155KBCD.SQUARE2.jpg https://cdn.instructables.com/FDU/64WQ/I155KBCD/FDU64WQI155KBCD.SQUARE.jpg https://cdn.instructables.com/FDU/64WQ/I155KBCD/FDU64WQI155KBCD.SMALL.jpg RichsMethods Hello! This "Quick Tip" Tutorial shows how to replace a watch battery on a Timex Ironman Watch. This video should work for any Timex Ironman Digital watch (or other Timex watches).I suggest following along with the video as you replace the battery. Good luck and feel free to ask questions. I usually...
By: RichsMethods

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Thu, 9 Oct 2014 15:35:45 PDT
Make Your Own Simple & Cheap Portable Bluetooth Speaker http://www.instructables.com/id/Make-Your-Own-Simple-Cheap-Portable-Bluetooth-Spea/
Make Your Own Simple & Cheap Portable Bluetooth Speaker - More DIY How To Projects]]> https://cdn.instructables.com/FJD/8RLQ/IVA547DQ/FJD8RLQIVA547DQ.SQUARE2.jpg https://cdn.instructables.com/FJD/8RLQ/IVA547DQ/FJD8RLQIVA547DQ.SQUARE.jpg https://cdn.instructables.com/FJD/8RLQ/IVA547DQ/FJD8RLQIVA547DQ.SMALL.jpg GreatScottLab In this project I will show you how to build a simple portable bluetooth speaker that can play its tunes up to 30 hours continuously. Most of the used components can be found for only 22$ in total which makes this a pretty low budget project. Let's get started! Watch the video! The video gives yo...
By: GreatScottLab

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Sun, 13 Nov 2016 07:46:04 PST
DIY Heatsink for Small Transistors http://www.instructables.com/id/DIY-Heatsink-for-Small-Transistors/
DIY Heatsink for Small Transistors - More DIY How To Projects]]> https://cdn.instructables.com/FSC/36I8/FCHYO2S6/FSC36I8FCHYO2S6.SQUARE2.jpg https://cdn.instructables.com/FSC/36I8/FCHYO2S6/FSC36I8FCHYO2S6.SQUARE.jpg https://cdn.instructables.com/FSC/36I8/FCHYO2S6/FSC36I8FCHYO2S6.SMALL.jpg gmoon Here's a little mini-instructable: Want to squeeze a bit more current through those inexpensive TO-92 package transistors? Then add a small metal heatsink.I made this for a PWM DC motor driver, as some 2N2222 bi-polar transistors were handy. It worked OK, but the 2N2222 was getting very hot (too hot...
By: gmoon

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Wed, 13 Feb 2008 17:40:46 PST
Guitar Tube Amp From Scratch (Part 1, Transformers) http://www.instructables.com/id/Guitar-Tube-Amp-From-Scratch-Part-1-Transformers/
Guitar Tube Amp From Scratch (Part 1, Transformers) - More DIY How To Projects]]> https://cdn.instructables.com/FKH/PQED/GJ6EVA08/FKHPQEDGJ6EVA08.SQUARE2.jpg https://cdn.instructables.com/FKH/PQED/GJ6EVA08/FKHPQEDGJ6EVA08.SQUARE.jpg https://cdn.instructables.com/FKH/PQED/GJ6EVA08/FKHPQEDGJ6EVA08.SMALL.jpg asdterror Guitar amps are really pretty forgiving to build.  There are plenty of ways to do it wrong, but those ways are rarely self-destructive, just kinda crappy-sounding.  Figure out the crap, change it.  That's the great thing about point-to-point valve amps:  they're easy to fiddle with. This is going to...
By: asdterror

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Thu, 20 Jan 2011 21:37:49 PST
How to Surface Mount Solder Using Solder Paste http://www.instructables.com/id/How-to-Surface-Mount-Solder-Using-Solder-Paste/
How to Surface Mount Solder Using Solder Paste - More DIY How To Projects]]> https://cdn.instructables.com/FV4/22UO/IV0BOG4E/FV422UOIV0BOG4E.SQUARE2.jpg https://cdn.instructables.com/FV4/22UO/IV0BOG4E/FV422UOIV0BOG4E.SQUARE.jpg https://cdn.instructables.com/FV4/22UO/IV0BOG4E/FV422UOIV0BOG4E.SMALL.jpg NemesisC Quick tutorial showing how to solder a Attiny85 package type SOIC-8 using a hot air tool and solder paste.SOIC is just one of the many types of standarized packages that integrated circuits such as the Attiny85 can come in. The package type just indicates the components will look different and have ...
By: NemesisC

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Tue, 8 Nov 2016 10:01:31 PST
Setting up Microblaze on the Nexys4 FPGA Board http://www.instructables.com/id/Setting-up-Microblaze-on-the-Nexys4-FPGA-Board/
Setting up Microblaze on the Nexys4 FPGA Board - More DIY How To Projects]]> https://cdn.instructables.com/FFU/C3SC/HXLD6GXC/FFUC3SCHXLD6GXC.SQUARE2.jpg https://cdn.instructables.com/FFU/C3SC/HXLD6GXC/FFUC3SCHXLD6GXC.SQUARE.jpg https://cdn.instructables.com/FFU/C3SC/HXLD6GXC/FFUC3SCHXLD6GXC.SMALL.jpg skyberrys This is an introduction to setting up a microblaze processor for the Nexys4 Artix-7, using Vivado 2014.1 . Create a new Project in Vivado 1. Create a new project. (Image 1) 2. Press Next Name the project 3. Press Next, name the project Hello_World, and select create project subdirectory (Ima...
By: skyberrys

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Mon, 14 Jul 2014 11:52:08 PDT
WRISTWATCH REPAIR: How to remove and replace winder, stem and crown from a watch http://www.instructables.com/id/WRISTWATCH-REPAIR-How-to-remove-and-replace-winde/
WRISTWATCH REPAIR: How to remove and replace winder, stem and crown from a watch - More DIY How To Projects]]> https://cdn.instructables.com/F6S/EYR8/HD4VG0WF/F6SEYR8HD4VG0WF.SQUARE2.jpg https://cdn.instructables.com/F6S/EYR8/HD4VG0WF/F6SEYR8HD4VG0WF.SQUARE.jpg https://cdn.instructables.com/F6S/EYR8/HD4VG0WF/F6SEYR8HD4VG0WF.SMALL.jpg benben247 Your winder may be broke if you have a spare one this video will show how to remove and replace the stem and crown of a watch.
By: benben247

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Thu, 21 Feb 2013 15:30:27 PST
Upgrade/Replace Brushless Motor Magnets http://www.instructables.com/id/UpgradeReplace-Brushless-Motor-Magnets/
Upgrade/Replace Brushless Motor Magnets - More DIY How To Projects]]> https://cdn.instructables.com/FOU/R1Q0/IV0ANKU4/FOUR1Q0IV0ANKU4.SQUARE2.jpg https://cdn.instructables.com/FOU/R1Q0/IV0ANKU4/FOUR1Q0IV0ANKU4.SQUARE.jpg https://cdn.instructables.com/FOU/R1Q0/IV0ANKU4/FOUR1Q0IV0ANKU4.SMALL.jpg Jaronv I have salvaged quite some motors from old printers and used them for various projects, but these usually use inferior ferrite magnets (Like those flexible fridge magnets). They are not very strong so the motor strength is limited.An easy way to increase the torque of your motor is to replace the ma...
By: Jaronv

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Sun, 6 Nov 2016 04:42:10 PST
Dirt cheap ignition retard for turbocharged engines for less than $100. http://www.instructables.com/id/Dirt-cheap-ignition-retard-for-turbocharged-engine/
Dirt cheap ignition retard for turbocharged engines for less than $100. - More DIY How To Projects]]> https://cdn.instructables.com/FM8/HTV9/HO237IHC/FM8HTV9HO237IHC.SQUARE2.jpg https://cdn.instructables.com/FM8/HTV9/HO237IHC/FM8HTV9HO237IHC.SQUARE.jpg https://cdn.instructables.com/FM8/HTV9/HO237IHC/FM8HTV9HO237IHC.SMALL.jpg turbofiat124 If you have ever built a custom turbo system for your car, it's often nessessary to reduce the advance during boost to prevent engine knock. The easiest method is to retard the static timing such as to TDC. The problem with doing this is the engine idles rough, runs poorly under cruise and fuel eco...
By: turbofiat124

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Sun, 17 Nov 2013 22:47:51 PST
Build a Zener Diode Identifier http://www.instructables.com/id/Build-a-Zener-Diode-Identifier/
Build a Zener Diode Identifier - More DIY How To Projects]]> https://cdn.instructables.com/FB4/6YO0/H1JUGVPU/FB46YO0H1JUGVPU.SQUARE2.jpg https://cdn.instructables.com/FB4/6YO0/H1JUGVPU/FB46YO0H1JUGVPU.SQUARE.jpg https://cdn.instructables.com/FB4/6YO0/H1JUGVPU/FB46YO0H1JUGVPU.SMALL.jpg nevdull If your workbench or electronics studio looks anything like mine, you've organized your components in a step-wise fashion. That is, you didn't purchase all the shelving, component compartments, drawers, boxes, pull-out bins, etc on the first day you set up shop. Instead, as your electronics componen...
By: nevdull

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Fri, 18 May 2012 02:36:55 PDT
Tesla Coil Winding: The Easy Way http://www.instructables.com/id/Tesla-Coil-Winding-the-Easy-Way/
Tesla Coil Winding: The Easy Way - More DIY How To Projects]]> https://cdn.instructables.com/FUM/2I8N/IV0AORFB/FUM2I8NIV0AORFB.SQUARE2.jpg https://cdn.instructables.com/FUM/2I8N/IV0AORFB/FUM2I8NIV0AORFB.SQUARE.jpg https://cdn.instructables.com/FUM/2I8N/IV0AORFB/FUM2I8NIV0AORFB.SMALL.jpg tanner_tech If you have ever wanted to make a Tesla coil, but have been too daunted by the process of hand-winding the secondary, then this Instructable is for you. In this instructable, I will show you how to wind a Tesla coil using an easily built machine, not a lathe, and how protect the windings. The vide...
By: tanner_tech

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Fri, 4 Nov 2016 14:31:48 PDT
Building JFET Preamplifiers for musical instrument use. http://www.instructables.com/id/Building-JFET-Preamplifiers-for-musical-instrument/
Building JFET Preamplifiers for musical instrument use. - More DIY How To Projects]]> https://cdn.instructables.com/FVQ/HYDC/H2CE73PJ/FVQHYDCH2CE73PJ.SQUARE2.jpg https://cdn.instructables.com/FVQ/HYDC/H2CE73PJ/FVQHYDCH2CE73PJ.SQUARE.jpg https://cdn.instructables.com/FVQ/HYDC/H2CE73PJ/FVQHYDCH2CE73PJ.SMALL.jpg pyrohaz By making a JFET amplifier, students will understand how JFET amplifiers can be constructed using different methods such as diode bias, resistive bias and the load line technique. Since I first started properly doing electronics, I always liked the idea of an electronic component as essentially sim...
By: pyrohaz

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Wed, 23 May 2012 18:02:25 PDT
How to identify PNP and NPN Transistors (with a Simple Circuit) http://www.instructables.com/id/How-to-identify-PNP-and-NPN-Transistors-with-a-Si/
How to identify PNP and NPN Transistors (with a Simple Circuit) - More DIY How To Projects]]> https://cdn.instructables.com/FF7/54IY/HIF073BH/FF754IYHIF073BH.SQUARE2.jpg https://cdn.instructables.com/FF7/54IY/HIF073BH/FF754IYHIF073BH.SQUARE.jpg https://cdn.instructables.com/FF7/54IY/HIF073BH/FF754IYHIF073BH.SMALL.jpg RuiSantos In this project I’ll make one of the easiest PNP and NPN circuit identifiers ever. You’ll see how easy It is to make one! I've also posted on my website a bit of the theory about PNP and NPN Transistors I would recommend you to read it  first. This project is great to learn more about: Transis...
By: RuiSantos

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Sat, 20 Jul 2013 06:41:33 PDT
Build a DIY Amazon's Alexa with a Raspberry Pi and a MATRIX Creator http://www.instructables.com/id/Build-a-DIY-Amazons-Alexa-With-a-Raspberry-Pi-and-/
Build a DIY Amazon's Alexa with a Raspberry Pi and a MATRIX Creator - More DIY How To Projects]]> https://cdn.instructables.com/FME/LETT/IRRY6KBO/FMELETTIRRY6KBO.SQUARE2.jpg https://cdn.instructables.com/FME/LETT/IRRY6KBO/FMELETTIRRY6KBO.SQUARE.jpg https://cdn.instructables.com/FME/LETT/IRRY6KBO/FMELETTIRRY6KBO.SMALL.jpg MATRIX_Creator This tutorial will help you build your own Amazon's Alexa using a Raspberry Pi and MATRIX Creator, the first Microphone Array add-on for Raspberry Pi. We will use Alexa Voice Services (AVS), it is the service used by Amazon Echo that allows us to accomplish many of the challenging tasks in this proj...
By: MATRIX_Creator

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Fri, 12 Aug 2016 09:20:19 PDT
Power Your Drill With A Computer Power Supply! http://www.instructables.com/id/What-To-Do-With-A-Drill-That-Has-A-Dead-Battery-Ad/
Power Your Drill With A Computer Power Supply! - More DIY How To Projects]]> https://cdn.instructables.com/F8E/1AD2/IFD6KA1M/F8E1AD2IFD6KA1M.SQUARE2.jpg https://cdn.instructables.com/F8E/1AD2/IFD6KA1M/F8E1AD2IFD6KA1M.SQUARE.jpg https://cdn.instructables.com/F8E/1AD2/IFD6KA1M/F8E1AD2IFD6KA1M.SMALL.jpg Yonatan24 Slowly and sadly my drill battery died.Drill batteries cost more than $2I thought of the fact that I never need It to be portable because my dad has a killer Dewalt drill that's almost too powerful and scary to use...This gave me a pretty obvious idea: Why not power it with power from a regular wall...
By: Yonatan24

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Fri, 7 Aug 2015 16:58:44 PDT
DIY a Wireless WiFi Video Transmission Tank Controlled by APP based on ESP8266 and OpenWRT http://www.instructables.com/id/DIY-a-Wireless-WiFi-Video-Transmission-Tank-Contro/
DIY a Wireless WiFi Video Transmission Tank Controlled by APP based on ESP8266 and OpenWRT - More DIY How To Projects]]> https://cdn.instructables.com/FX4/7U3X/IDK2O99E/FX47U3XIDK2O99E.SQUARE2.jpg https://cdn.instructables.com/FX4/7U3X/IDK2O99E/FX47U3XIDK2O99E.SQUARE.jpg https://cdn.instructables.com/FX4/7U3X/IDK2O99E/FX47U3XIDK2O99E.SMALL.jpg yichone Now, in the market, there are many WiFi video transmission smart cars based on Arduino. Now, here, we would like to present an illustrative demo for the wireless WiFi video tank based on the ESP8266 WiFi development kit controlled by Android mobile APP. Note that, the Android APP and the APP source ...
By: yichone

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Fri, 21 Aug 2015 06:28:47 PDT
Rig A Car Horn To Your Alarmclock! http://www.instructables.com/id/Build-The-Worlds-Loudest-Alarmclock/
Rig A Car Horn To Your Alarmclock! - More DIY How To Projects]]> https://cdn.instructables.com/FLA/YBQ8/ID0POCWA/FLAYBQ8ID0POCWA.SQUARE2.jpg https://cdn.instructables.com/FLA/YBQ8/ID0POCWA/FLAYBQ8ID0POCWA.SQUARE.jpg https://cdn.instructables.com/FLA/YBQ8/ID0POCWA/FLAYBQ8ID0POCWA.SMALL.jpg ASCAS Tired of being late for something? Is your alarm clock not noisy enough? Why not rig a car horn to your alarm clock!? Here's a guide that will teach you how to do so. ~If you prefer watching videos. Here's a full video tutorial I made. Enjoy! Please do check my new YT channel: TechBuilderIf you l...
By: ASCAS

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Thu, 6 Aug 2015 20:33:55 PDT
How to SAFELY salvage cathode ray tube televisions http://www.instructables.com/id/How-to-SAFELY-Salvage-Cathode-Ray-Tube-Televisions/
How to SAFELY salvage cathode ray tube televisions - More DIY How To Projects]]> https://cdn.instructables.com/FQ6/KYTE/IOO5ADQD/FQ6KYTEIOO5ADQD.SQUARE2.jpg https://cdn.instructables.com/FQ6/KYTE/IOO5ADQD/FQ6KYTEIOO5ADQD.SQUARE.jpg https://cdn.instructables.com/FQ6/KYTE/IOO5ADQD/FQ6KYTEIOO5ADQD.SMALL.jpg rah187 There is no doubt about it: CRT televisions are inferior to modern monitors. They contain unstable components, are hazardous to the environment, have attrocious picture quality, and make a dreadful noise when plugged in. If you have a CRT television you have probably thought about throwing it out an...
By: rah187

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Thu, 26 May 2016 21:13:08 PDT
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
7 reasons Your Circuit Isn't Working http://www.instructables.com/id/7-reasons-Your-Circuit-Isnt-Working/
7 reasons Your Circuit Isn't Working - More DIY How To Projects]]> https://cdn.instructables.com/F38/DLWQ/H4AGM24V/F38DLWQH4AGM24V.SQUARE2.jpg https://cdn.instructables.com/F38/DLWQ/H4AGM24V/F38DLWQH4AGM24V.SQUARE.jpg https://cdn.instructables.com/F38/DLWQ/H4AGM24V/F38DLWQH4AGM24V.SMALL.jpg mikey77 There is nothing more frustrating than spending many hours on a circuit and when you power it up......it doesn't work. After de-bugging more than three thousand circuits, I have come up with a check list of the most common problems with experimental circuits. This is the order in which I most often...
By: mikey77

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Thu, 19 Jul 2012 11:32:35 PDT
How to Build Circuits http://www.instructables.com/id/How-to-Build-Circuits/
How to Build Circuits - More DIY How To Projects]]> https://cdn.instructables.com/FB1/7BLA/IUSM23YJ/FB17BLAIUSM23YJ.SQUARE2.jpg https://cdn.instructables.com/FB1/7BLA/IUSM23YJ/FB17BLAIUSM23YJ.SQUARE.jpg https://cdn.instructables.com/FB1/7BLA/IUSM23YJ/FB17BLAIUSM23YJ.SMALL.jpg harisanonorg Learning about circuits is very easy, maybe easier than you think. This instructable will be a very helpful getting started guide for newbies to get going on the road to building awesome circuits. Firstly this instructable will show you the basic components used in Circuits. This will also give you ...
By: harisanonorg

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Sun, 30 Oct 2016 10:17:38 PDT
Getting Started with the Daflabs ESP8266 ESP-12 Breakout Board http://www.instructables.com/id/Getting-Started-with-the-Daflabs-ESP8266-ESP-12-Br/
Getting Started with the Daflabs ESP8266 ESP-12 Breakout Board - More DIY How To Projects]]> https://cdn.instructables.com/F8Q/ZCT3/IA3YK9AM/F8QZCT3IA3YK9AM.SQUARE2.jpg https://cdn.instructables.com/F8Q/ZCT3/IA3YK9AM/F8QZCT3IA3YK9AM.SQUARE.jpg https://cdn.instructables.com/F8Q/ZCT3/IA3YK9AM/F8QZCT3IA3YK9AM.SMALL.jpg ankitdaf This guide is a quick beginner's guide that shows how to use the ESP-12 Breakout board with the CP2102.What you'll need : 1. Daflabs ESP-12 Breakout Board2. CP2102 USB to UART Serial module 3. Jumper Wires4. Breadboard (optional) About the board The ESP-12 Breakout board breaks out the ESP-12 pi...
By: ankitdaf

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Mon, 25 May 2015 08:35:00 PDT
Fire detection using Arduino and flame sensor http://www.instructables.com/id/Flame-detection-using-Arduino-and-flame-sensor/
Fire detection using Arduino and flame sensor - More DIY How To Projects]]> https://cdn.instructables.com/FLJ/1VF0/IDFSFEQK/FLJ1VF0IDFSFEQK.SQUARE2.jpg https://cdn.instructables.com/FLJ/1VF0/IDFSFEQK/FLJ1VF0IDFSFEQK.SQUARE.jpg https://cdn.instructables.com/FLJ/1VF0/IDFSFEQK/FLJ1VF0IDFSFEQK.SMALL.jpg TechPonder Flame sensor is interfaced to arduino to detect Flame. Led and buzzer are interfaced to arduino to indicate the flame.Hard ware components required:-1) Flame sensor (Analogue Output)2)Arduino3)Bread board4)LED5)Buzzer6)Connecting wires Hard ware connections Flame sensor interfacing to ArduinoFla...
By: TechPonder

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Tue, 18 Aug 2015 07:14:16 PDT
The first usage of NodeMCU ESP12E DEVKIT V2 http://www.instructables.com/id/The-First-Usage-of-NodeMCU-ESP12E-DEVKIT-V2/
The first usage of NodeMCU ESP12E DEVKIT V2 - More DIY How To Projects]]> https://cdn.instructables.com/FCC/4UR7/IN5K6FJI/FCC4UR7IN5K6FJI.SQUARE2.jpg https://cdn.instructables.com/FCC/4UR7/IN5K6FJI/FCC4UR7IN5K6FJI.SQUARE.jpg https://cdn.instructables.com/FCC/4UR7/IN5K6FJI/FCC4UR7IN5K6FJI.SMALL.jpg Bay Yolal Today, I am going to show you how to use NodeMCU ESP12E DEVKIT V2 for the first time. At very first, let's call this board as NodeMCU development board, although it has got ESP8266MOD Module on it, that makes this board is fit to call development board enough. Or, whatever you call it is okey. NodeM...
By: Bay Yolal

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Sat, 2 Apr 2016 05:47:08 PDT
Arduino + Laptop Touchpad http://www.instructables.com/id/Arduino-Laptop-Touchpad/
Arduino + Laptop Touchpad - More DIY How To Projects]]> https://cdn.instructables.com/FH7/KCBK/GJQE8N2U/FH7KCBKGJQE8N2U.SQUARE2.jpg https://cdn.instructables.com/FH7/KCBK/GJQE8N2U/FH7KCBKGJQE8N2U.SQUARE.jpg https://cdn.instructables.com/FH7/KCBK/GJQE8N2U/FH7KCBKGJQE8N2U.SMALL.jpg japala Yes, this is more or less your average touchpad that one can find from inside a laptop. This model, like majority of touchpads out there operates with PS/2 standard. This means that it can be directly plugged in to a PS/2 connector and with proper drivers, function as a mouse. As it happens the PS/...
By: japala

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Fri, 4 Feb 2011 08:03:42 PST
Simplest Wireless Electricity Transmission Experiment http://www.instructables.com/id/Simplest-Wireless-Electricity-Transmission-Experim/
Simplest Wireless Electricity Transmission Experiment - More DIY How To Projects]]> https://cdn.instructables.com/FLR/F2WT/IUKERVW1/FLRF2WTIUKERVW1.SQUARE2.jpg https://cdn.instructables.com/FLR/F2WT/IUKERVW1/FLRF2WTIUKERVW1.SQUARE.jpg https://cdn.instructables.com/FLR/F2WT/IUKERVW1/FLRF2WTIUKERVW1.SMALL.jpg How-ToDo Hello everybody, today I want to show you very interesting and very simple wireless electricity transmission experiment, in fact the simplest air transformer. I really like circuits like this, impressive and elementary in the repetition. Components So lets start, we need transistor 2n3904, or alm...
By: How-ToDo

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Sat, 22 Oct 2016 19:16:47 PDT
The Enigma Puzzle Box http://www.instructables.com/id/The-Enigma-Puzzle-Box/
The Enigma Puzzle Box - More DIY How To Projects]]> https://cdn.instructables.com/FHZ/FZSL/GXZXTKLA/FHZFZSLGXZXTKLA.SQUARE2.jpg https://cdn.instructables.com/FHZ/FZSL/GXZXTKLA/FHZFZSLGXZXTKLA.SQUARE.jpg https://cdn.instructables.com/FHZ/FZSL/GXZXTKLA/FHZFZSLGXZXTKLA.SMALL.jpg TXTCLA55 I now have added a locking device in the form of a solenoid. When the amber LED lights up, the solenoid pulls in its plunger from the "lock" (a piece of MDF with a hole in it) and the box opens. I have updated the images to show this change. So first off I apologize for not making a formal instru...
By: TXTCLA55

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Sun, 29 Jan 2012 13:27:47 PST
How to Wind a 12N 14P Brushless Outrunner http://www.instructables.com/id/How-to-Wind-a-12N-14P-Brushless-Outrunner/
How to Wind a 12N 14P Brushless Outrunner - More DIY How To Projects]]> https://cdn.instructables.com/F9J/21G7/HNUEWQWT/F9J21G7HNUEWQWT.SQUARE2.jpg https://cdn.instructables.com/F9J/21G7/HNUEWQWT/F9J21G7HNUEWQWT.SQUARE.jpg https://cdn.instructables.com/F9J/21G7/HNUEWQWT/F9J21G7HNUEWQWT.SMALL.jpg rem0.061 You may have already seen my Instructable on how to wind a brushless outrunner motor and became frustrated because it didn't work on your 12 tooth motor. The previous winding instructions only works with 12n 16p, 9n 12p, and others (I'm not sure on all of them). The most common motor has 12 teeth an...
By: rem0.061

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Mon, 11 Nov 2013 09:50:57 PST
Design a 123D Circuits.io Component from Scratch http://www.instructables.com/id/Design-a-123D-Circuitsio-Component-from-Scratch/
Design a 123D Circuits.io Component from Scratch - More DIY How To Projects]]> https://cdn.instructables.com/F6O/WY7Y/HKUDA64C/F6OWY7YHKUDA64C.SQUARE2.jpg https://cdn.instructables.com/F6O/WY7Y/HKUDA64C/F6OWY7YHKUDA64C.SQUARE.jpg https://cdn.instructables.com/F6O/WY7Y/HKUDA64C/F6OWY7YHKUDA64C.SMALL.jpg Autodesk Circuits In this instructable we are going to show you how you can create a new component in 123D Circuits.io Create a new component In this instructable I'll create an LDR (Light Dependent Resistor). To follow along go to your dashboard and click "New component",  fill in the form and click "create new"....
By: Autodesk Circuits

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Sun, 8 Sep 2013 22:51:22 PDT
Get Your Broken Tv To Turn On http://www.instructables.com/id/Get-Your-Broken-Tv-To-Turn-On/
Get Your Broken Tv To Turn On - More DIY How To Projects]]> https://cdn.instructables.com/FDO/AXTG/I5A7WVVV/FDOAXTGI5A7WVVV.SQUARE2.jpg https://cdn.instructables.com/FDO/AXTG/I5A7WVVV/FDOAXTGI5A7WVVV.SQUARE.jpg https://cdn.instructables.com/FDO/AXTG/I5A7WVVV/FDOAXTGI5A7WVVV.SMALL.jpg ctruax Test To See If It Will Work Tv won't turn on? Hold down the power button on the tv and see if the power light flickers dimly. If it does it should turn on by following the next steps Toggle The Power Button Use a coin, penny or dime to wedge down the power button on your hd tv. Once it's wed...
By: ctruax

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Thu, 22 Jan 2015 09:58:15 PST