http://www.instructables.com Tue, 29 May 2012 13:49:42 PDT BLOX v1.01 http://www.instructables.com/id/How-to-Build-and-Arm-a-Scale-Model-Battleship-From/ http://img.instructables.com/files/deriv/F0R/OF1T/H2MYK4PD/F0ROF1TH2MYK4PD.SQUARE2.jpg http://img.instructables.com/files/deriv/F0R/OF1T/H2MYK4PD/F0ROF1TH2MYK4PD.SQUARE.jpg http://img.instructables.com/files/deriv/F0R/OF1T/H2MYK4PD/F0ROF1TH2MYK4PD.SMALL.jpg picklwg Welcome to the fascinating world of R/C BIG GUN Warship Combat. So what exactly is R/C Warship combat? It is a hobby where scale model warships, armed with low-pressure CO2 cannons, fire small ball bearings at an opposing ship.  When enough holes are put in the easily punctured balsa wood covered hu...
By: picklwg

Continue Reading »]]> Fri, 25 May 2012 19:01:58 PDT http://www.instructables.com/id/Intro-to-RFID/ http://img.instructables.com/files/deriv/FH6/EFPT/GM9QL24O/FH6EFPTGM9QL24O.SQUARE2.jpg http://img.instructables.com/files/deriv/FH6/EFPT/GM9QL24O/FH6EFPTGM9QL24O.SQUARE.jpg http://img.instructables.com/files/deriv/FH6/EFPT/GM9QL24O/FH6EFPTGM9QL24O.SMALL.jpg zazenergy "Intro to RFID" gives you the complete step-by-step instructions for 15 different fun RFID projects. Learn to make an RFID cat door, universal RFID key, door lock and more. All projects come from Instructables.com, are written by our creative community, and contain pictures for each step so you can ...
By: zazenergy

Continue Reading »]]> Wed, 11 May 2011 15:39:21 PDT http://www.instructables.com/id/Building-JFET-Preamplifiers-for-musical-instrument/
Building JFET Preamplifiers for musical instrument use. - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FVQ/HYDC/H2CE73PJ/FVQHYDCH2CE73PJ.SQUARE2.jpg http://img.instructables.com/files/deriv/FVQ/HYDC/H2CE73PJ/FVQHYDCH2CE73PJ.SQUARE.jpg http://img.instructables.com/files/deriv/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

Continue Reading »]]> Wed, 23 May 2012 18:02:25 PDT http://www.instructables.com/id/Visual-rain-sensor/
Visual rain sensor - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FXC/EXGP/H2BMNYHK/FXCEXGPH2BMNYHK.SQUARE2.jpg http://img.instructables.com/files/deriv/FXC/EXGP/H2BMNYHK/FXCEXGPH2BMNYHK.SQUARE.jpg http://img.instructables.com/files/deriv/FXC/EXGP/H2BMNYHK/FXCEXGPH2BMNYHK.SMALL.jpg frapedia An other rain sensor, it consists of the typical rain sensor with the line shaped PCB where the rain falls, a microphone per-amplifier, an amplifier, a VU meter and a power supply to drive all the above. The idea is simple, lets say you have no access to weather conditions but you want to know i...
By: frapedia

Continue Reading »]]> Wed, 23 May 2012 19:01:46 PDT http://www.instructables.com/id/RFID-Controlled-Car-Trunk/
RFID Controlled Car Trunk - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FAS/XN8N/H2CE6VY5/FASXN8NH2CE6VY5.SQUARE2.jpg http://img.instructables.com/files/deriv/FAS/XN8N/H2CE6VY5/FASXN8NH2CE6VY5.SQUARE.jpg http://img.instructables.com/files/deriv/FAS/XN8N/H2CE6VY5/FASXN8NH2CE6VY5.SMALL.jpg duke2luke Projected Achievement: One will be able to walk up to the trunk of the car, touch their hip (which contains their wallet which contains an RFID card) to a specified point, causing the trunk to pop open. It will employ radio frequency identification to sense the human subject, a servo to pull the cor...
By: duke2luke

Continue Reading »]]> Tue, 22 May 2012 01:30:52 PDT http://www.instructables.com/id/Sound-reactive-21-audio-amplifier-flashy-ipod-do/
Sound reactive 2.1 audio amplifier (flashy ipod dock) - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FTM/TAF2/H2CE6L4U/FTMTAF2H2CE6L4U.SQUARE2.jpg http://img.instructables.com/files/deriv/FTM/TAF2/H2CE6L4U/FTMTAF2H2CE6L4U.SQUARE.jpg http://img.instructables.com/files/deriv/FTM/TAF2/H2CE6L4U/FTMTAF2H2CE6L4U.SMALL.jpg woody2k This is my version of the LED boxs that i have seen on this site. This formed the final part of my degree course as a trainee Secondary Design Technology Teacher. Its pretty simple. I took the flashing circuit for an led box and built it into a ready made 2.1 system, then made a new housing for it....
By: woody2k

Continue Reading »]]> Sat, 19 May 2012 09:11:43 PDT http://www.instructables.com/id/Caps-n-Sparks/
Caps n' Sparks - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F1H/E3H8/H1YOL3WL/F1HE3H8H1YOL3WL.SQUARE2.jpg http://img.instructables.com/files/deriv/F1H/E3H8/H1YOL3WL/F1HE3H8H1YOL3WL.SQUARE.jpg http://img.instructables.com/files/deriv/F1H/E3H8/H1YOL3WL/F1HE3H8H1YOL3WL.SMALL.jpg GranTotem I have recently found out how much fun it can be to short circuit the leads of a charged capacitor after zapping myself while opening a disposable camera. It wasn't long before I decided to start messing around with capacitors and creating some sparks. Soon I noticed how time spending it was to con...
By: GranTotem

Continue Reading »]]> Fri, 18 May 2012 22:43:36 PDT http://www.instructables.com/id/Panelizing-PCBs-for-Seeed-Using-Eagle-Free-Light/
Panelizing PCBs for Seeed Using Eagle Free / Light - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FSE/J9YR/H1ZG79OX/FSEJ9YRH1ZG79OX.SQUARE2.jpg http://img.instructables.com/files/deriv/FSE/J9YR/H1ZG79OX/FSEJ9YRH1ZG79OX.SQUARE.jpg http://img.instructables.com/files/deriv/FSE/J9YR/H1ZG79OX/FSEJ9YRH1ZG79OX.SMALL.jpg spaceagerobotics Some PCB fab houses (like SeeedStudio, with their Fusion PCB service) will allow you to panelize smaller PCBs.  For example, if you have a 2.5cm x 5cm board, you could panelize two of them on to a single 5mm x 5mm PCB.  Or, put a 7cm x 7cm board and a bunch of 3cm x 3cm boards onto a 10cm x 10cm pan...
By: spaceagerobotics

Continue Reading »]]> Fri, 18 May 2012 18:48:14 PDT http://www.instructables.com/id/Basic-Electronics-1/ http://img.instructables.com/files/deriv/FFC/LY24/H1YOHHYB/FFCLY24H1YOHHYB.SQUARE2.jpg http://img.instructables.com/files/deriv/FFC/LY24/H1YOHHYB/FFCLY24H1YOHHYB.SQUARE.jpg http://img.instructables.com/files/deriv/FFC/LY24/H1YOHHYB/FFCLY24H1YOHHYB.SMALL.jpg amandaghassaei Get started with circuits with the basic electronics guide!  These electronics Instructables will get you up to speed on the concepts, components, and tools you'll need to start designing and building your own circuits.  Learn about current and voltage, how to wire an LED, and get started using the ...
By: amandaghassaei

Continue Reading »]]> Tue, 15 May 2012 22:12:53 PDT http://www.instructables.com/id/Irrigating-your-garden-with-an-opamp-The-circuit/
Irrigating your garden with an opamp: The circuit, list of materials - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FE6/PHK8/H1ZG734B/FE6PHK8H1ZG734B.SQUARE2.jpg http://img.instructables.com/files/deriv/FE6/PHK8/H1ZG734B/FE6PHK8H1ZG734B.SQUARE.jpg http://img.instructables.com/files/deriv/FE6/PHK8/H1ZG734B/FE6PHK8H1ZG734B.SMALL.jpg diy_bloke In an earlier instructable, presenting an automatic  garden watering project with an Attiny, I mentioned it could also be done with an op amp. So, let me put my money where my mouth is and present you one. It has an option to use a regular relay, or a solid state relay Here is what you need: 1 Opam...
By: diy_bloke

Continue Reading »]]> Mon, 14 May 2012 06:52:10 PDT http://www.instructables.com/id/Drawer-alarm/
Drawer alarm - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FMU/21N0/H1YOHDGH/FMU21N0H1YOHDGH.SQUARE2.jpg http://img.instructables.com/files/deriv/FMU/21N0/H1YOHDGH/FMU21N0H1YOHDGH.SQUARE.jpg http://img.instructables.com/files/deriv/FMU/21N0/H1YOHDGH/FMU21N0H1YOHDGH.SMALL.jpg lucylollipop Get out of my chocolates! Stay out of my desk drawer! This little alarm circuit will help to keep your goodies safe - whether it's your secret stash of chocolate in the office, or your diary in the bedroom drawer.... You will need: Tools Soldering iron Wire Pliers Wire strippers Solder Components...
By: lucylollipop

Continue Reading »]]> Tue, 8 May 2012 12:23:13 PDT http://www.instructables.com/id/Nixie-tube-projects/ http://img.instructables.com/files/deriv/FBI/Y899/GKQ3DD4M/FBIY899GKQ3DD4M.SQUARE2.jpg http://img.instructables.com/files/deriv/FBI/Y899/GKQ3DD4M/FBIY899GKQ3DD4M.SQUARE.jpg http://img.instructables.com/files/deriv/FBI/Y899/GKQ3DD4M/FBIY899GKQ3DD4M.SMALL.jpg scoochmaroo Back in the 1970's, the now largely forgotten, nixie tubes were the height of display technology. Resembling vacuum tubes, nixie tubes are actually a cold-cathode tube variant of a neon lamp. While still functional they are fragile when compared to LED's and to some extent LCD's. Having formerly gra...
By: scoochmaroo

Continue Reading »]]> Wed, 23 Feb 2011 14:06:27 PST http://www.instructables.com/id/Pomona-College-Electronics-Projects/ http://img.instructables.com/files/deriv/F8W/28NW/H1YOHC74/F8W28NWH1YOHC74.SQUARE2.jpg http://img.instructables.com/files/deriv/F8W/28NW/H1YOHC74/F8W28NWH1YOHC74.SQUARE.jpg http://img.instructables.com/files/deriv/F8W/28NW/H1YOHC74/F8W28NWH1YOHC74.SMALL.jpg physics128 This is a guide to the Instructables submitted for Electronics (Physics 128) at Pomona College in Claremont, California.  Students were given very little guidance on this project besides make something that uses electronics.  These projects were built over the last three weeks of a semester-long int...
By: physics128

Continue Reading »]]> Fri, 4 May 2012 16:56:34 PDT http://www.instructables.com/id/Simple-Light-Switch/
Simple Light Switch - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F4N/X984/GPBDHPZK/F4NX984GPBDHPZK.SQUARE2.jpg http://img.instructables.com/files/deriv/F4N/X984/GPBDHPZK/F4NX984GPBDHPZK.SQUARE.jpg http://img.instructables.com/files/deriv/F4N/X984/GPBDHPZK/F4NX984GPBDHPZK.SMALL.jpg randofo In building Simple Bots, we are going to use a series of photo-coupled devices called modules. But, before we can do this, we need a good photo-couple to use as a light-activated switch. To make one of these switches, we will be using a special OSRAM-brand photo transistor and any standard NPN trans...
By: randofo

Continue Reading »]]> Mon, 30 Apr 2012 16:05:46 PDT http://www.instructables.com/id/Motion-Module/
Motion Module - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FMH/UL80/GV0KKPSV/FMHUL80GV0KKPSV.SQUARE2.jpg http://img.instructables.com/files/deriv/FMH/UL80/GV0KKPSV/FMHUL80GV0KKPSV.SQUARE.jpg http://img.instructables.com/files/deriv/FMH/UL80/GV0KKPSV/FMHUL80GV0KKPSV.SMALL.jpg randofo The motion module is the most complex photocoupled device used in Simple Bots. It basically is a light switch coupled with a motion sensing nightlight. When someone in its general area moves, this triggers the sensor, turns on the light, and causes the bot to move. This is a simple way to start addi...
By: randofo

Continue Reading »]]> Wed, 2 May 2012 16:27:12 PDT http://www.instructables.com/id/The-Kit-Design-Challenge/ http://img.instructables.com/files/deriv/FBF/2EZX/H01NGFIR/FBF2EZXH01NGFIR.SQUARE2.jpg http://img.instructables.com/files/deriv/FBF/2EZX/H01NGFIR/FBF2EZXH01NGFIR.SQUARE.jpg http://img.instructables.com/files/deriv/FBF/2EZX/H01NGFIR/FBF2EZXH01NGFIR.SMALL.jpg randofo   Follow me to hear about all of the Monthly Challenges. The Kit Design Challenge: Make a Step-by-Step Instructable that has been designed and built to be turned into a kit. See the judging criteria below for more details. This challenge is sponsored by our friends at Upverter who make a fre...
By: randofo

Continue Reading »]]> Mon, 7 May 2012 20:26:09 PDT http://www.instructables.com/id/Make-a-cheap-disposable-camera-capacitor-bank/
Make a cheap disposable camera capacitor bank - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FPZ/2M76/H1JUJEYA/FPZ2M76H1JUJEYA.SQUARE2.jpg http://img.instructables.com/files/deriv/FPZ/2M76/H1JUJEYA/FPZ2M76H1JUJEYA.SQUARE.jpg http://img.instructables.com/files/deriv/FPZ/2M76/H1JUJEYA/FPZ2M76H1JUJEYA.SMALL.jpg Alex1M6 This instructable will show you have to make a simple capacitor bank and charger out of old disposable cameras that you can get for free at your local store. You can then use it for powering things such as coil guns or just blowing things up! See the second picture above? that was the spark created...
By: Alex1M6

Continue Reading »]]> Sat, 5 May 2012 08:20:34 PDT http://www.instructables.com/id/radioshack/ http://img.instructables.com/files/deriv/FE3/UT8V/GPVEVEC3/FE3UT8VGPVEVEC3.SQUARE2.jpg http://img.instructables.com/files/deriv/FE3/UT8V/GPVEVEC3/FE3UT8VGPVEVEC3.SQUARE.jpg http://img.instructables.com/files/deriv/FE3/UT8V/GPVEVEC3/FE3UT8VGPVEVEC3.SMALL.jpg fungus amungus In this ebook, you will find ten awesome projects born from the partnership between RadioShack and Instructables.com. From an electronic stethoscope to a cigar box guitar and a fuzz pedal, Instructables has you covered for the directions, and RadioShack has all the parts and pieces you'll need to ma...
By: fungus amungus

Continue Reading »]]> Mon, 27 Jun 2011 11:53:22 PDT http://www.instructables.com/id/DPScope-SE-the-simplest-real-oscilloscopelogic-/
DPScope SE - the simplest real oscilloscope/logic analyzer on the planet - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FL4/UPY4/H1JUEBFI/FL4UPY4H1JUEBFI.SQUARE2.jpg http://img.instructables.com/files/deriv/FL4/UPY4/H1JUEBFI/FL4UPY4H1JUEBFI.SQUARE.jpg http://img.instructables.com/files/deriv/FL4/UPY4/H1JUEBFI/FL4UPY4H1JUEBFI.SMALL.jpg womai The DPScope SE is the result of a challenge I set for myself – to build a practically usable oscilloscope with a minimum amount of components and for minimum cost. The practical benefit is of course that this is an instrument that I hope will be interesting to many teachers, students and hobbyists l...
By: womai

Continue Reading »]]> Mon, 30 Apr 2012 16:21:54 PDT http://www.instructables.com/id/Toner-transfer-no-soak-high-quality-double-sided/
Toner transfer no-soak, high-quality, double sided PCBs at home - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FDR/6SDQ/H1EMHYF5/FDR6SDQH1EMHYF5.SQUARE2.jpg http://img.instructables.com/files/deriv/FDR/6SDQ/H1EMHYF5/FDR6SDQH1EMHYF5.SQUARE.jpg http://img.instructables.com/files/deriv/FDR/6SDQ/H1EMHYF5/FDR6SDQH1EMHYF5.SMALL.jpg dustinandrews Warning: There are hot surfaces, chemicals and possibly ill advised actions like you would expect in many Instructables here. You will also be running tape and un-approved paper through a laser printer. There is a very real danger of messing up your printer. If you do wreck a printer please comment ...
By: dustinandrews

Continue Reading »]]> Wed, 25 Apr 2012 23:11:07 PDT http://www.instructables.com/id/How-to-Make-a-PIP-Boy/
How to Make a PIP-Boy - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FG9/UIDN/H1AH705W/FG9UIDNH1AH705W.SQUARE2.jpg http://img.instructables.com/files/deriv/FG9/UIDN/H1AH705W/FG9UIDNH1AH705W.SQUARE.jpg http://img.instructables.com/files/deriv/FG9/UIDN/H1AH705W/FG9UIDNH1AH705W.SMALL.jpg Aleator777      So what exactly is a PIP-Boy, you ask? For those unfamiliar, a PIP-Boy is a device used by the protagonist in the popular Fallout series of video games for navigation, radiation detection, data storage/playback, and inventory management. Being a major fan of the franchise, I decided I wanted to...
By: Aleator777

Continue Reading »]]> Mon, 23 Apr 2012 23:52:36 PDT http://www.instructables.com/id/View-Your-PCB-Design-in-3D-Online-for-Free/
View Your PCB Design in 3D Online for Free - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FJN/3YP7/H0OIVHMC/FJN3YP7H0OIVHMC.SQUARE2.jpg http://img.instructables.com/files/deriv/FJN/3YP7/H0OIVHMC/FJN3YP7H0OIVHMC.SQUARE.jpg http://img.instructables.com/files/deriv/FJN/3YP7/H0OIVHMC/FJN3YP7H0OIVHMC.SMALL.jpg Mayhew Labs Whether you're a first-time circuit board designer or you've been doing it for years, you know how difficult it can be to visualize layout, spacing, and relative size in PCB layout software.  You might have also experienced that uneasy "I hope everything is right" feeling when you submit your design...
By: Mayhew Labs

Continue Reading »]]> Mon, 16 Apr 2012 09:10:32 PDT http://www.instructables.com/id/Basic-Simple-Bot-Electronics/
Basic Simple Bots Electronics - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F69/24JO/H142Z3T0/F6924JOH142Z3T0.SQUARE2.jpg http://img.instructables.com/files/deriv/F69/24JO/H142Z3T0/F6924JOH142Z3T0.SQUARE.jpg http://img.instructables.com/files/deriv/F69/24JO/H142Z3T0/F6924JOH142Z3T0.SMALL.jpg randofo Before we can build Simple Bots, it is important to have a rudimentary understanding of how electricity works (or does not). Electricity comes in two forms, AC (alternating current), which is like the power that comes from a wall socket, and DC (direct current), which is like the power that comes f...
By: randofo

Continue Reading »]]> Tue, 17 Apr 2012 09:44:46 PDT http://www.instructables.com/id/Power-Supply-For-Arduino-power-and-breadboard/
Power Supply unit for arduino power and breadboard - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FKD/C8TO/H12SVEDU/FKDC8TOH12SVEDU.SQUARE2.jpg http://img.instructables.com/files/deriv/FKD/C8TO/H12SVEDU/FKDC8TOH12SVEDU.SQUARE.jpg http://img.instructables.com/files/deriv/FKD/C8TO/H12SVEDU/FKDC8TOH12SVEDU.SMALL.jpg Avadhut.Deshmukh how you can take a computer u hv old (power supply unit) and turn it into a power supply that will power your Arduino and give you all the amperage  you need as well as your standard 3.3 volts, 5 volts, and 12 volts for any accessories/electronics used on your breadboard And arduino power ,led 5v,12...
By: Avadhut.Deshmukh

Continue Reading »]]> Mon, 16 Apr 2012 01:23:58 PDT http://www.instructables.com/id/building-potentiometers-and-resistors/
building potentiometers and resistors - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F01/XLHF/H0OJ20D2/F01XLHFH0OJ20D2.SQUARE2.jpg http://img.instructables.com/files/deriv/F01/XLHF/H0OJ20D2/F01XLHFH0OJ20D2.SQUARE.jpg http://img.instructables.com/files/deriv/F01/XLHF/H0OJ20D2/F01XLHFH0OJ20D2.SMALL.jpg kjordaan this is a new series of instructables i want to start called (building components) in this instructable i will be showing you how to build  your own resistors. this is good to know if you need to have a resestor with a specific value that you cant find elsewhere. it is actually really simple i wi...
By: kjordaan

Continue Reading »]]> Sun, 15 Apr 2012 05:47:53 PDT http://www.instructables.com/id/Breadboard-How-To/
Breadboard How To - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FKG/IDKG/H0KR9BBM/FKGIDKGH0KR9BBM.SQUARE2.jpg http://img.instructables.com/files/deriv/FKG/IDKG/H0KR9BBM/FKGIDKGH0KR9BBM.SQUARE.jpg http://img.instructables.com/files/deriv/FKG/IDKG/H0KR9BBM/FKGIDKGH0KR9BBM.SMALL.jpg amandaghassaei This instructable will guide someone with no experience in electronics through prototyping their first circuits on a breadboard.  You will need a few basic components to get started: LED: white, red, green, blue 220 resistor 5V power supply/battery/arduino board solderless breadboard 22 gauge solid...
By: amandaghassaei

Continue Reading »]]> Sun, 8 Apr 2012 23:00:58 PDT http://www.instructables.com/id/Reverse-Engineering-an-Electric-Fence-Charger/
Reverse Engineering an Electric Fence Charger - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F68/5WLO/H0E0MQGK/F685WLOH0E0MQGK.SQUARE2.jpg http://img.instructables.com/files/deriv/F68/5WLO/H0E0MQGK/F685WLOH0E0MQGK.SQUARE.jpg http://img.instructables.com/files/deriv/F68/5WLO/H0E0MQGK/F685WLOH0E0MQGK.SMALL.jpg LargeMouthBass Reverse engineering something can be a great form of both entertainment and education.  I’ve often purchased items just for the satisfaction of disassembling them to determine how they function and how they are designed.  Along the way you can learn a great deal, improving your own design and debugg...
By: LargeMouthBass

Continue Reading »]]> Mon, 2 Apr 2012 10:56:00 PDT http://www.instructables.com/id/30-kVA-Induction-Heater/
30 kVA Induction Heater - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FH1/EY6M/GQ5QBX35/FH1EY6MGQ5QBX35.SQUARE2.jpg http://img.instructables.com/files/deriv/FH1/EY6M/GQ5QBX35/FH1EY6MGQ5QBX35.SQUARE.jpg http://img.instructables.com/files/deriv/FH1/EY6M/GQ5QBX35/FH1EY6MGQ5QBX35.SMALL.jpg bwang Induction heaters are used to heat conductive materials in a non-contact process. Commercially, they are used for heat treating, brazing, soldering, etc., as well as to melt and forge iron, steel, and aluminum. This Instructable will walk you through the construction of a high-power (30kVA) heater, ...
By: bwang

Continue Reading »]]> Mon, 2 Apr 2012 01:05:04 PDT http://www.instructables.com/id/Controlling-the-Inrush-Current-Required-by-Large-T/
Controlling the Inrush Current Required by Large Transformers - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FOD/UU5F/H0FLNLLD/FODUU5FH0FLNLLD.SQUARE2.jpg http://img.instructables.com/files/deriv/FOD/UU5F/H0FLNLLD/FODUU5FH0FLNLLD.SQUARE.jpg http://img.instructables.com/files/deriv/FOD/UU5F/H0FLNLLD/FODUU5FH0FLNLLD.SMALL.jpg techshopdude Large transformers have a huge current demand when they are initially turned on. This is because, until the magnetic field and inductive resistance builds, they are essentially short circuits.   For example, you may have turned on some large tool or appliance and heard an initial large "HUMMMMMMM". ...
By: techshopdude

Continue Reading »]]> Sat, 31 Mar 2012 09:33:18 PDT http://www.instructables.com/id/TEA5767-FM-Radio-Breakout-Board-for-Arduino/
TEA5767 FM Radio Breakout Board for Arduino - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F2W/M7KX/H045ZMPE/F2WM7KXH045ZMPE.SQUARE2.jpg http://img.instructables.com/files/deriv/F2W/M7KX/H045ZMPE/F2WM7KXH045ZMPE.SQUARE.jpg http://img.instructables.com/files/deriv/F2W/M7KX/H045ZMPE/F2WM7KXH045ZMPE.SMALL.jpg smonk1 I recently failed to resist buying two TEA5767 FM Radio modules from eBay for almost nothing. These little modules use the I2C serial protocol and so are ideal for connecting to an Arduino. There is more information and other Arduino projects over on my blog: http://srmonk.blogspot.co.uk/2012/03/te...
By: smonk1

Continue Reading »]]> Fri, 23 Mar 2012 09:28:41 PDT http://www.instructables.com/id/Rosin/
Rosin - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FAQ/NSGK/GZUASIRQ/FAQNSGKGZUASIRQ.SQUARE2.jpg http://img.instructables.com/files/deriv/FAQ/NSGK/GZUASIRQ/FAQNSGKGZUASIRQ.SQUARE.jpg http://img.instructables.com/files/deriv/FAQ/NSGK/GZUASIRQ/FAQNSGKGZUASIRQ.SMALL.jpg vkoudymov This instructable shows how to make rosin out of pine sap / pitch. Rosin can be used for the following: Electronic Soldering Flux: Much like burningsuntech's instructable Make your own Eco-friendly soldering flux, you can dissolve the rosin in denatured alcohol for use as a flux. Alternativel...
By: vkoudymov

Continue Reading »]]> Sat, 17 Mar 2012 00:48:58 PDT http://www.instructables.com/id/Fireflies-in-a-Jar/
Fireflies in a Jar - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F6H/HU1X/GZPBMCAX/F6HHU1XGZPBMCAX.SQUARE2.jpg http://img.instructables.com/files/deriv/F6H/HU1X/GZPBMCAX/F6HHU1XGZPBMCAX.SQUARE.jpg http://img.instructables.com/files/deriv/F6H/HU1X/GZPBMCAX/F6HHU1XGZPBMCAX.SMALL.jpg meenzal This is a simple project that uses NE-2 neon bulbs in a group of 'relaxation oscillators.' In essence, an RC circuit charges a capacitor at a rate determined by a resistor and discharges the cap though a neon bulb to start the process over. The effect is a blinking lamp. With a group of these oscill...
By: meenzal

Continue Reading »]]> Mon, 12 Mar 2012 13:40:21 PDT http://www.instructables.com/id/Ultra-Sensitive-Spy-Ear/
Ultra-Sensitive Spy Ear - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FVY/2JEO/GWKKMNLS/FVY2JEOGWKKMNLS.SQUARE2.jpg http://img.instructables.com/files/deriv/FVY/2JEO/GWKKMNLS/FVY2JEOGWKKMNLS.SQUARE.jpg http://img.instructables.com/files/deriv/FVY/2JEO/GWKKMNLS/FVY2JEOGWKKMNLS.SMALL.jpg ernie666 Have you ever tried to listen to a conversation on the other side of the wall? Or perhaps one across the street? Well, now you can! Materials Most of the parts used in this project can be found in your local Radio shack. Materials: - small project box - prototyping board  - N-type battery holder...
By: ernie666

Continue Reading »]]> Tue, 13 Mar 2012 01:10:38 PDT http://www.instructables.com/id/Featured-Author-Joshua-Zimmerman/ http://img.instructables.com/files/deriv/FXF/PTWG/GZHJVIMT/FXFPTWGGZHJVIMT.SQUARE2.jpg http://img.instructables.com/files/deriv/FXF/PTWG/GZHJVIMT/FXFPTWGGZHJVIMT.SQUARE.jpg http://img.instructables.com/files/deriv/FXF/PTWG/GZHJVIMT/FXFPTWGGZHJVIMT.SMALL.jpg wilgubeast Joshua Zimmerman is a teacher, a student, and a small business owner who, in his abundant free time, makes awesome Instructables. If you need a beginning electronics project, he is your man. Whether it's through his Instructables that demonstrate his professional pedagogical training or through his ...
By: wilgubeast

Continue Reading »]]> Mon, 12 Mar 2012 16:34:06 PDT http://www.instructables.com/id/Modify-a-6-EUR-smoke-detector-for-use-with-microco/
Modify a 6 EUR smoke detector for use with microcontroller, auto-dialer, linking, and more - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FWL/7K9D/GZGT3LU8/FWL7K9DGZGT3LU8.SQUARE2.jpg http://img.instructables.com/files/deriv/FWL/7K9D/GZGT3LU8/FWL7K9DGZGT3LU8.SQUARE.jpg http://img.instructables.com/files/deriv/FWL/7K9D/GZGT3LU8/FWL7K9DGZGT3LU8.SMALL.jpg redxine In any home or business, smoke detectors and central fire systems can be essential to saving life and property.  But what about when no one's there?  Large businesses can afford monitored systems with sprinklers, but home GSM-enabled smoke detectors can cost more than €160.  How about linking home s...
By: redxine

Continue Reading »]]> Tue, 6 Mar 2012 14:26:54 PST http://www.instructables.com/id/How-To-Diodes/
How-To: Diodes - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FKN/UTIU/GZ6I5TFZ/FKNUTIUGZ6I5TFZ.SQUARE2.jpg http://img.instructables.com/files/deriv/FKN/UTIU/GZ6I5TFZ/FKNUTIUGZ6I5TFZ.SQUARE.jpg http://img.instructables.com/files/deriv/FKN/UTIU/GZ6I5TFZ/FKNUTIUGZ6I5TFZ.SMALL.jpg audreyobscura If you have embarked upon electronics projects in the past, there is a good chance you have already encountered this common component and soldered into your circuit without second thought. Diodes are valuable in electronics and serve a variety of purposes, which will be highlighted in upcoming steps...
By: audreyobscura

Continue Reading »]]> Mon, 5 Mar 2012 10:36:20 PST http://www.instructables.com/id/Zener-Diode-Checker/
Zener Diode Checker - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FP6/3ZR8/GZ6I5PKS/FP63ZR8GZ6I5PKS.SQUARE2.jpg http://img.instructables.com/files/deriv/FP6/3ZR8/GZ6I5PKS/FP63ZR8GZ6I5PKS.SQUARE.jpg http://img.instructables.com/files/deriv/FP6/3ZR8/GZ6I5PKS/FP63ZR8GZ6I5PKS.SMALL.jpg WWC If you are like me and your and your parts storage is less than perfect, you may have more than one Zener diode in the same compartment. A Zener diode is like a one way check valve,with a twist. Unlike a regular diode that is just a on way check valve the Zener is also a voltage regulator. What eve...
By: WWC

Continue Reading »]]> Sun, 4 Mar 2012 04:02:52 PST http://www.instructables.com/id/Electronic-Projects-For-Beginners/ http://img.instructables.com/files/deriv/FA5/0LQ8/GZACQHI5/FA50LQ8GZACQHI5.SQUARE2.jpg http://img.instructables.com/files/deriv/FA5/0LQ8/GZACQHI5/FA50LQ8GZACQHI5.SQUARE.jpg http://img.instructables.com/files/deriv/FA5/0LQ8/GZACQHI5/FA50LQ8GZACQHI5.SMALL.jpg ASCAS I made a guide for those people who are still starting with their electronics hobby. I started connecting wires, batteries, bulbs, buzzers and motors when I was 4 years old . Now that I am 13 years old, I now have a good amount of experience to build complicated electronic circuits. Learning electro...
By: ASCAS

Continue Reading »]]> Sun, 4 Mar 2012 03:00:32 PST http://www.instructables.com/id/Repair-a-Hdmi-cable/
Repair a Hdmi cable - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F08/0IS8/GYQESZN8/F080IS8GYQESZN8.SQUARE2.jpg http://img.instructables.com/files/deriv/F08/0IS8/GYQESZN8/F080IS8GYQESZN8.SQUARE.jpg http://img.instructables.com/files/deriv/F08/0IS8/GYQESZN8/F080IS8GYQESZN8.SMALL.jpg ewout Alright, here is the situation: you just installed a 5 meter Hdmi cable in the walls of your office. (or home) Then you come to the discovery that someone stepped on the Hdmi connector. Connector kaput....  What can you do? - Well there is the option of breaking open the wall and replace the Hdmi c...
By: ewout

Continue Reading »]]> Wed, 29 Feb 2012 08:36:47 PST http://www.instructables.com/id/Transistor-Tester/
Transistor Tester - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FGB/HW5G/GYZY6PLZ/FGBHW5GGYZY6PLZ.SQUARE2.jpg http://img.instructables.com/files/deriv/FGB/HW5G/GYZY6PLZ/FGBHW5GGYZY6PLZ.SQUARE.jpg http://img.instructables.com/files/deriv/FGB/HW5G/GYZY6PLZ/FGBHW5GGYZY6PLZ.SMALL.jpg LeumasYrrep The purpose of this circuit is to test NPN and PNP transistors and to identify their pin layouts, ie ECB, EBC. I find myself testing a lot of transistors to determine their pin layout and type and as such find that building the test circuit on a breadboard has become a hassle so I wanted an easy cir...
By: LeumasYrrep

Continue Reading »]]> Fri, 24 Feb 2012 17:05:11 PST http://www.instructables.com/id/Working-Circuit-Symbols/
Working Circuit Symbols - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FGS/WHC5/GYY8FQIS/FGSWHC5GYY8FQIS.SQUARE2.jpg http://img.instructables.com/files/deriv/FGS/WHC5/GYY8FQIS/FGSWHC5GYY8FQIS.SQUARE.jpg http://img.instructables.com/files/deriv/FGS/WHC5/GYY8FQIS/FGSWHC5GYY8FQIS.SMALL.jpg lucylollipop Ever struggled to explain the order that components should go in? Need a subtle reminder, for students to follow? Or maybe want to mess around, but don't have a breadboard to play with? These are the thing for you! You need: Cardboard (I've used recycled packaging) Glue/tape Aluminium ...
By: lucylollipop

Continue Reading »]]> Thu, 23 Feb 2012 04:52:55 PST http://www.instructables.com/id/Animatronic-Cat-Ears/
Animatronic Cat Ears - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FUZ/4KQ2/GYUQT8W1/FUZ4KQ2GYUQT8W1.SQUARE2.jpg http://img.instructables.com/files/deriv/FUZ/4KQ2/GYUQT8W1/FUZ4KQ2GYUQT8W1.SQUARE.jpg http://img.instructables.com/files/deriv/FUZ/4KQ2/GYUQT8W1/FUZ4KQ2GYUQT8W1.SMALL.jpg abetusk   I saw the demo video for the neurowear "necomimi" brain controlled cat ears and I thought they were pretty awesome.  I'm just starting to learn electronics and I thought a fun project to start out would be making my own version.  Sadly, I don't think I'm adept enough yet to take on making my own E...
By: abetusk

Continue Reading »]]> Mon, 20 Feb 2012 14:55:59 PST http://www.instructables.com/id/How-To-Motors/
How-To: Motors - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FWB/8IDT/GYWSZ5WP/FWB8IDTGYWSZ5WP.SQUARE2.jpg http://img.instructables.com/files/deriv/FWB/8IDT/GYWSZ5WP/FWB8IDTGYWSZ5WP.SQUARE.jpg http://img.instructables.com/files/deriv/FWB/8IDT/GYWSZ5WP/FWB8IDTGYWSZ5WP.SMALL.jpg audreyobscura Servos and Steppers and Gears! Oh my! Some of our favorite hobbyist electronics utilize motors to mobilize, making them fun and awesome! Including a motor in your project could be challenging, especially if you have never worked with them before. The following Instructable will explain how motors ...
By: audreyobscura

Continue Reading »]]> Fri, 17 Feb 2012 13:46:08 PST http://www.instructables.com/id/Radial-Display-Nixie-Tube-Clock/
Radial Display Nixie Tube Clock - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FOJ/MAXX/GYO8AC6V/FOJMAXXGYO8AC6V.SQUARE2.jpg http://img.instructables.com/files/deriv/FOJ/MAXX/GYO8AC6V/FOJMAXXGYO8AC6V.SQUARE.jpg http://img.instructables.com/files/deriv/FOJ/MAXX/GYO8AC6V/FOJMAXXGYO8AC6V.SMALL.jpg Vlorbschnat I grew up long after vacuum tubes had stopped being used, but I always found technology from that area to be fascinating. Nixie tubes in particular I think are very cool. They are filled with neon gas, and work by accelerating electrons from the digits to the grid in the front. You actually get a gr...
By: Vlorbschnat

Continue Reading »]]> Thu, 16 Feb 2012 11:16:58 PST http://www.instructables.com/id/How-to-use-a-breadboard/
How to use a breadboard - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FU0/11AZ/GYGF8IV4/FU011AZGYGF8IV4.SQUARE2.jpg http://img.instructables.com/files/deriv/FU0/11AZ/GYGF8IV4/FU011AZGYGF8IV4.SQUARE.jpg http://img.instructables.com/files/deriv/FU0/11AZ/GYGF8IV4/FU011AZGYGF8IV4.SMALL.jpg shams A breadboard also known as protoboard is a type of solderless electronic circuit building.You can build a electronic circuit on a breadboard without any soldering ! Best of all it is reusable. It was designed by Ronald J Portugal of EI Instruments Inc. in 1971. Building or prototyping circuits on a...
By: shams

Continue Reading »]]> Fri, 10 Feb 2012 04:19:20 PST http://www.instructables.com/id/Solid-State-Tesla-Coil/
Solid State Tesla Coil - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FZT/PK0X/GTKFPXSS/FZTPK0XGTKFPXSS.SQUARE2.jpg http://img.instructables.com/files/deriv/FZT/PK0X/GTKFPXSS/FZTPK0XGTKFPXSS.SQUARE.jpg http://img.instructables.com/files/deriv/FZT/PK0X/GTKFPXSS/FZTPK0XGTKFPXSS.SMALL.jpg Michael Chen A solid state Tesla coil is one of the kinds of Tesla coils available. It has several advantages over the more common spark gap tesla coil. They are less louder than conventional Tesla coils, yet they can still achieve a respectable output. They can also be made to play music through its spark, whic...
By: Michael Chen

Continue Reading »]]> Mon, 6 Feb 2012 18:33:04 PST http://www.instructables.com/id/How-To-Build-A-Power-Supply-For-Electronics-Hobby/
How To Build A Power Supply For Electronics Hobby - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FAD/S4TH/GXUYU19A/FADS4THGXUYU19A.SQUARE2.jpg http://img.instructables.com/files/deriv/FAD/S4TH/GXUYU19A/FADS4THGXUYU19A.SQUARE.jpg http://img.instructables.com/files/deriv/FAD/S4TH/GXUYU19A/FADS4THGXUYU19A.SMALL.jpg thb43 This power supply can be used by electronics hobbyists. Materials: PC Power Supply with Cord 3/8" MDF Wood On/Off Switch From Old Computer 1 Red LED 1 Green LED 6 Banana Jack Sockets Heat Shrink Tubing Plexiglass (Lexan) Wood Screws Drill Motor Drimmel with metal cutting wheel Wire Cutters Solderi...
By: thb43

Continue Reading »]]> Sat, 28 Jan 2012 16:54:04 PST http://www.instructables.com/id/How-To-Hack-A-Retro-Old-Phone-To-LED-Unit-Audio-/ http://img.instructables.com/files/deriv/FOS/VPMH/GXO0U8CS/FOSVPMHGXO0U8CS.SQUARE2.jpg http://img.instructables.com/files/deriv/FOS/VPMH/GXO0U8CS/FOSVPMHGXO0U8CS.SQUARE.jpg http://img.instructables.com/files/deriv/FOS/VPMH/GXO0U8CS/FOSVPMHGXO0U8CS.SMALL.jpg Samimy DIY-Hack A Rotary Old Phone To LED Unit & Cellphone Audio Amplifier. This hack provides some useful issues, for example we can read books at night using our old lovely retro phone, meanwhile using the phone as a mobile or any cell phone audio amplifier, the quality of the amplified songs would be d...
By: Samimy

Continue Reading »]]> Sun, 22 Jan 2012 06:28:53 PST http://www.instructables.com/id/A-Framework-For-Making-Affordable-Stylish-Modula/
A Framework For Making Affordable & Stylish Modular Controllers (USB to MIDI, HID, or Serial) - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FBS/TCIR/GXL5OL9S/FBSTCIRGXL5OL9S.SQUARE2.jpg http://img.instructables.com/files/deriv/FBS/TCIR/GXL5OL9S/FBSTCIRGXL5OL9S.SQUARE.jpg http://img.instructables.com/files/deriv/FBS/TCIR/GXL5OL9S/FBSTCIRGXL5OL9S.SMALL.jpg Fuzzy-Wobble **************************************************************************************************************************** I have designed a framework for making affordable and stylish modular controllers. You can use the content of this Instructable to make a wide rang...
By: Fuzzy-Wobble

Continue Reading »]]> Fri, 20 Jan 2012 17:11:00 PST http://www.instructables.com/id/PCB-Holder-prototype/
Easy PCB Holder (prototype) - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FTH/AWEP/GWXCYFYT/FTHAWEPGWXCYFYT.SQUARE2.jpg http://img.instructables.com/files/deriv/FTH/AWEP/GWXCYFYT/FTHAWEPGWXCYFYT.SQUARE.jpg http://img.instructables.com/files/deriv/FTH/AWEP/GWXCYFYT/FTHAWEPGWXCYFYT.SMALL.jpg bricabracwizard Are you fed up with crocodile clips holding your PCB and moving at the critical moment you need to solder a component or that to turn the board over you have to unclip and then reclip the board?  Well hopefully this instructable will be of benefit to you.  This device is capable of holding your boar...
By: bricabracwizard

Continue Reading »]]> Mon, 2 Jan 2012 19:34:06 PST