http://www.instructables.com Tue, 29 May 2012 10:17:58 PDT BLOX v1.01 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/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/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/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/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/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/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/Two-hand-control/ http://img.instructables.com/files/deriv/FYN/2VTS/H0KKG0BH/FYN2VTSH0KKG0BH.SQUARE2.jpg http://img.instructables.com/files/deriv/FYN/2VTS/H0KKG0BH/FYN2VTSH0KKG0BH.SQUARE.jpg http://img.instructables.com/files/deriv/FYN/2VTS/H0KKG0BH/FYN2VTSH0KKG0BH.SMALL.jpg andre72 This circuit switches on a relay by pressing two buttons at the same time (with a tolerance of 0.5 seconds). Similar circuits are used for two hand control systems of dangerous machines, such as presses. Due to these control systems the operator keeps both hands away from the dangerous parts of the ...
By: andre72

Continue Reading »]]> Tue, 3 Apr 2012 14:42:55 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/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/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/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/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/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/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/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/Basic-Electronics/
Basic Electronics - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FUQ/QFQK/GWF6EKEV/FUQQFQKGWF6EKEV.SQUARE2.jpg http://img.instructables.com/files/deriv/FUQ/QFQK/GWF6EKEV/FUQQFQKGWF6EKEV.SQUARE.jpg http://img.instructables.com/files/deriv/FUQ/QFQK/GWF6EKEV/FUQQFQKGWF6EKEV.SMALL.jpg randofo Getting started with basic electronics is easier than you might think. This Instructable will hopefully demystify the basics of electronics so that anyone with an interest in building circuits can hit the ground running. This is a quick overview into practical electronics and it is not my goal to de...
By: randofo

Continue Reading »]]> Thu, 22 Dec 2011 18:10:37 PST http://www.instructables.com/id/Introduction-22/
Connection - Lift, Lock, Listen. - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FZ9/QKMK/GVP29B6G/FZ9QKMKGVP29B6G.SQUARE2.jpg http://img.instructables.com/files/deriv/FZ9/QKMK/GVP29B6G/FZ9QKMKGVP29B6G.SQUARE.jpg http://img.instructables.com/files/deriv/FZ9/QKMK/GVP29B6G/FZ9QKMKGVP29B6G.SMALL.jpg jleslie2 In this instructable I will run through step by step how I created my radio for my Second Year University project. We were given a brief to hack a small portable sony radio and create a re-designed radio to accommodate for a specific chosen user. This radio is designed for my 93 year old grandmother...
By: jleslie2

Continue Reading »]]> Tue, 6 Dec 2011 03:43:42 PST http://www.instructables.com/id/LED-Name-Switch-Toy-for-Toddler/
LED "Name" Switch Toy for Toddler - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FR0/7VXM/GVP28LU8/FR07VXMGVP28LU8.SQUARE2.jpg http://img.instructables.com/files/deriv/FR0/7VXM/GVP28LU8/FR07VXMGVP28LU8.SQUARE.jpg http://img.instructables.com/files/deriv/FR0/7VXM/GVP28LU8/FR07VXMGVP28LU8.SMALL.jpg henlij I made this toy a couple years ago when my son was 2. He's always been fascinated with lights and switches. In an effort to keep him entertained and perhaps learn the letters in his name, I built this simple toy.  Used Parts - about 50 LEDs (RED, Orange, Green) - LM7812 Voltage Regulator - Power so...
By: henlij

Continue Reading »]]> Sat, 3 Dec 2011 11:08:12 PST http://www.instructables.com/id/Ceiling-Fan-Pull-Chain-Nightlight/
Ceiling Fan Pull Chain Nightlight - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FKC/OCM6/GVZP1W6J/FKCOCM6GVZP1W6J.SQUARE2.jpg http://img.instructables.com/files/deriv/FKC/OCM6/GVZP1W6J/FKCOCM6GVZP1W6J.SQUARE.jpg http://img.instructables.com/files/deriv/FKC/OCM6/GVZP1W6J/FKCOCM6GVZP1W6J.SMALL.jpg yardleydobon To skip to the videos of the nightlight in action, click here! Update: I received many complaints about the aesthetic quality of the pull chain nightlight's installation and several suggestions that I should place the circuit in the diffuser bowl. Well I'm pleased to announce that I've reworked ...
By: yardleydobon

Continue Reading »]]> Sun, 27 Nov 2011 22:29:04 PST http://www.instructables.com/id/How-to-Make-a-Portable-Game-System/
How to Make a Portable Game System - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FKS/0S4O/FLJUFKKB/FKS0S4OFLJUFKKB.SQUARE2.jpg http://img.instructables.com/files/deriv/FKS/0S4O/FLJUFKKB/FKS0S4OFLJUFKKB.SQUARE.jpg http://img.instructables.com/files/deriv/FKS/0S4O/FLJUFKKB/FKS0S4OFLJUFKKB.SMALL.jpg 1up Ever thought about being able to play your favorite game system anywhere? I'm sure you have. Following this guide, you can learn how to 'portablize' the Nintendo Entertainment System. In this Instructable I will teach you everything you need to know to put together a portable. There will be several...
By: 1up

Continue Reading »]]> Tue, 25 Nov 2008 13:59:32 PST http://www.instructables.com/id/The-Electric-Flute/
The Electric Flute - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F1Z/W5MK/GUVU8OUW/F1ZW5MKGUVU8OUW.SQUARE2.jpg http://img.instructables.com/files/deriv/F1Z/W5MK/GUVU8OUW/F1ZW5MKGUVU8OUW.SQUARE.jpg http://img.instructables.com/files/deriv/F1Z/W5MK/GUVU8OUW/F1ZW5MKGUVU8OUW.SMALL.jpg Gadget Gangster Ok, first..  Yes, this isn't really a "flute"  :)   It's actually a "recorder", but this project will allow it to make sounds like a flute, recorder, or even weird space noises.   Kids love this project! We'll turn a $1.00 recorder into an electric instrument complete with breath "blow" sensor! A ...
By: Gadget Gangster

Continue Reading »]]> Tue, 15 Nov 2011 19:37:04 PST http://www.instructables.com/id/Build-a-Musical-Tesla-Coil-like-a-Pro/
Build and Code a MONSTER Musical Tesla Coil with a Microcontroller - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FVN/WVYZ/GULNWG7U/FVNWVYZGULNWG7U.SQUARE2.jpg http://img.instructables.com/files/deriv/FVN/WVYZ/GULNWG7U/FVNWVYZGULNWG7U.SQUARE.jpg http://img.instructables.com/files/deriv/FVN/WVYZ/GULNWG7U/FVNWVYZGULNWG7U.SMALL.jpg TheHomebrewGuru As the winter months come up, many will be forced to stay indoors… To many, this will mean playing scrabble with grandma, watching television, doing puzzles, and sitting around the house. Why not begin an awesome project to spice up those potentially cold, dreary nights with an amazing light show de...
By: TheHomebrewGuru

Continue Reading »]]> Fri, 4 Nov 2011 18:44:49 PDT http://www.instructables.com/id/Broken-nose-preventer/
Broken nose preventer - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F0W/S6SP/GUA8IPZJ/F0WS6SPGUA8IPZJ.SQUARE2.jpg http://img.instructables.com/files/deriv/F0W/S6SP/GUA8IPZJ/F0WS6SPGUA8IPZJ.SQUARE.jpg http://img.instructables.com/files/deriv/F0W/S6SP/GUA8IPZJ/F0WS6SPGUA8IPZJ.SMALL.jpg grizelli There are three doors in my house that open outwards, and I have personal experience how easy it is to walk into the edge of one of them in the dark. After doing this a few times, I decided to build a device for providing a flashing LED embedded in the edge of the door to warn you that it is open. ...
By: grizelli

Continue Reading »]]> Fri, 28 Oct 2011 10:50:01 PDT http://www.instructables.com/id/Converting-an-Inkjet-Printer-to-Print-PCBs/
Converting an Inkjet Printer to Print PCBs - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F35/32ZR/GU59Z17U/F3532ZRGU59Z17U.SQUARE2.jpg http://img.instructables.com/files/deriv/F35/32ZR/GU59Z17U/F3532ZRGU59Z17U.SQUARE.jpg http://img.instructables.com/files/deriv/F35/32ZR/GU59Z17U/F3532ZRGU59Z17U.SMALL.jpg pourcirm SEE STEP 12 FOR NEW RESULTS AND AN ETCHING/PROJECT UPDATE! Recently one of my focuses has been to find a way to make the PCB (Printed Circuit Board) creation process easier. I like being able to design something based on what I want in a circuit and just making it myself on the random weekend. Whil...
By: pourcirm

Continue Reading »]]> Sat, 15 Oct 2011 17:24:10 PDT http://www.instructables.com/id/Hacking-a-PIR-motion-sensor-for-use-as-a-triggerin/
Hacking a PIR motion sensor for use as a triggering device. - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F1J/IE1O/GSUSQ359/F1JIE1OGSUSQ359.SQUARE2.jpg http://img.instructables.com/files/deriv/F1J/IE1O/GSUSQ359/F1JIE1OGSUSQ359.SQUARE.jpg http://img.instructables.com/files/deriv/F1J/IE1O/GSUSQ359/F1JIE1OGSUSQ359.SMALL.jpg Random_Canadian This hack will allow you to create a motion sensing electrical switch You can use this to trigger electrical devices from solenoids to motors to cameras. What you will need Along with basic soldering skills... You will need a PIR motion sensor mine is from a defunct home alarm. A small rela...
By: Random_Canadian

Continue Reading »]]> Thu, 6 Oct 2011 11:04:35 PDT http://www.instructables.com/id/2n3055-flyback-transformer-driver-for-beginners/
2n3055 flyback transformer driver for beginners - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F7H/4I4C/GYUY0RNN/F7H4I4CGYUY0RNN.SQUARE2.jpg http://img.instructables.com/files/deriv/F7H/4I4C/GYUY0RNN/F7H4I4CGYUY0RNN.SQUARE.jpg http://img.instructables.com/files/deriv/F7H/4I4C/GYUY0RNN/F7H4I4CGYUY0RNN.SMALL.jpg Alex1M6 Intro: This instructable will show you how to make a cheap and simple driver circuit in order to get high voltage arcs out of a component called a flyback transformer. A flyback transformer, sometimes called a line output transformer are used in older CRT TV's and computer monitors to produce the ...
By: Alex1M6

Continue Reading »]]> Tue, 20 Sep 2011 20:36:21 PDT http://www.instructables.com/id/MEGA-DPDT-Switch-Tank-Style-1/
MEGA DPDT Switch - Tank Style - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FVP/3Q18/GSMZ87A9/FVP3Q18GSMZ87A9.SQUARE2.jpg http://img.instructables.com/files/deriv/FVP/3Q18/GSMZ87A9/FVP3Q18GSMZ87A9.SQUARE.jpg http://img.instructables.com/files/deriv/FVP/3Q18/GSMZ87A9/FVP3Q18GSMZ87A9.SMALL.jpg iminthebathroom DPDT "double pole - double throw"  switch can be used for reversing polarity.  All though this method may be a bit crude, it works great for changing the direction of a motor – analog style.  This could be used for Controlling motors for robots, animatronics and Halloween decorations to name just a ...
By: iminthebathroom

Continue Reading »]]> Sun, 18 Sep 2011 10:38:15 PDT http://www.instructables.com/id/Strong-Electromagnet-From-An-Old-Transformer/
Strong Electromagnet From An Old Transformer - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FR0/C4U1/GS3BD9WE/FR0C4U1GS3BD9WE.SQUARE2.jpg http://img.instructables.com/files/deriv/FR0/C4U1/GS3BD9WE/FR0C4U1GS3BD9WE.SQUARE.jpg http://img.instructables.com/files/deriv/FR0/C4U1/GS3BD9WE/FR0C4U1GS3BD9WE.SMALL.jpg rocketman221 This is a very strong electromagnet made out of an old transformer. The materials used are recycled from transformers and motors. This magnet can lift over 30lbs (14kg) This instructable is in the Epilog Challenge. Don't forget to pick your favorite. <br&am...
By: rocketman221

Continue Reading »]]> Sat, 3 Sep 2011 21:57:10 PDT http://www.instructables.com/id/Reusing-old-electronics/
Reusing old electronics - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FF2/Y9ZC/GR392WQD/FF2Y9ZCGR392WQD.SQUARE2.jpg http://img.instructables.com/files/deriv/FF2/Y9ZC/GR392WQD/FF2Y9ZCGR392WQD.SQUARE.jpg http://img.instructables.com/files/deriv/FF2/Y9ZC/GR392WQD/FF2Y9ZCGR392WQD.SMALL.jpg CUclimbing If you are like me and often take apart used, broken, or even just useless electronic devices, then you probably wonder "Well... what should I do with all this cool stuff." or if you're like my mom, you wonder "What are you gonna use all this junk for !?" Answering these questions, there are many t...
By: CUclimbing

Continue Reading »]]> Mon, 8 Aug 2011 21:58:28 PDT http://www.instructables.com/id/Build-your-own-Spy-Satellite/
Build your own "Spy Satellite" - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FDZ/SB9L/GQZJNJFT/FDZSB9LGQZJNJFT.SQUARE2.jpg http://img.instructables.com/files/deriv/FDZ/SB9L/GQZJNJFT/FDZSB9LGQZJNJFT.SQUARE.jpg http://img.instructables.com/files/deriv/FDZ/SB9L/GQZJNJFT/FDZSB9LGQZJNJFT.SMALL.jpg pbecker83 I always thought it would be neat to have your own "Spy" Satellite. The fact that we have our own Spy Satellites traveling around the earth just amazes me. So why not have your own? The following instructable shows you how to do just that, build your own Spy Satellite. This is Vs. 1. Oh, and did I ...
By: pbecker83

Continue Reading »]]> Sun, 7 Aug 2011 18:05:52 PDT http://www.instructables.com/id/AA-Battery-Powered-Tesla-Coil/
AA Battery Powered "Tesla Coil" - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FIB/PUWJ/GPBDHUAQ/FIBPUWJGPBDHUAQ.SQUARE2.jpg http://img.instructables.com/files/deriv/FIB/PUWJ/GPBDHUAQ/FIBPUWJGPBDHUAQ.SQUARE.jpg http://img.instructables.com/files/deriv/FIB/PUWJ/GPBDHUAQ/FIBPUWJGPBDHUAQ.SMALL.jpg JoeBeau First things first: DISCLAIMER: I am not responsible for any injuries or property damage that may befall you from following this instructable. High voltage electricity can be DANGEROUS and should only be worked with at your own risk. Proper safety precautions should always be followed.  That out o...
By: JoeBeau

Continue Reading »]]> Wed, 6 Jul 2011 09:02:14 PDT http://www.instructables.com/id/Ignition-Coil-High-Voltage-Display/
Ignition Coil High Voltage Display - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FV0/0D15/GPBD3EKM/FV00D15GPBD3EKM.SQUARE2.jpg http://img.instructables.com/files/deriv/FV0/0D15/GPBD3EKM/FV00D15GPBD3EKM.SQUARE.jpg http://img.instructables.com/files/deriv/FV0/0D15/GPBD3EKM/FV00D15GPBD3EKM.SMALL.gif LargeMouthBass A common automotive ignition coil can generate an output voltage on the order of 30,000 volts. This is a sufficient voltage to produce arcs which jump an air gap of an inch or more.  Driven properly they can also be used to create a Jacobs Ladder display Ignition coils are inexpensive and readily a...
By: LargeMouthBass

Continue Reading »]]> Thu, 30 Jun 2011 16:15:43 PDT http://www.instructables.com/id/Solar-charging-ereader/
Solar charging e-reader. - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F71/NE73/GPBDFYMD/F71NE73GPBDFYMD.SQUARE2.jpg http://img.instructables.com/files/deriv/F71/NE73/GPBDFYMD/F71NE73GPBDFYMD.SQUARE.jpg http://img.instructables.com/files/deriv/F71/NE73/GPBDFYMD/F71NE73GPBDFYMD.SMALL.jpg flapke Hi, I made this instructable to show how to add some solar cells to your e-reader, so that you will never need to charge it again. Update: I replaced the Schottky diode with a MAX1555 Li-Ion cell charging IC. Thanks go to moldboy and Kohaku for their input on making the charging circuit safer. Wha...
By: flapke

Continue Reading »]]> Tue, 14 Jun 2011 14:01:24 PDT http://www.instructables.com/id/Images-On-An-Audio-Cassette/
Images On An Audio Cassette - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FS7/H5ZE/GONGHL8Q/FS7H5ZEGONGHL8Q.SQUARE2.jpg http://img.instructables.com/files/deriv/FS7/H5ZE/GONGHL8Q/FS7H5ZEGONGHL8Q.SQUARE.jpg http://img.instructables.com/files/deriv/FS7/H5ZE/GONGHL8Q/FS7H5ZEGONGHL8Q.SMALL.jpg 0Ihavenousername0 If you have some old cassettes, a computer, and a love for obscure technology, here's a fun project to waste a couple extra hours on. Using a type of amateur television broadcasting that dates back to the early days of space travel, you can store and view images from normal audio cassettes, using o...
By: 0Ihavenousername0

Continue Reading »]]> Wed, 8 Jun 2011 21:52:14 PDT http://www.instructables.com/id/One-Key-Keyboard-Hack/
One-Key Keyboard Hack - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F71/YHEZ/GO4ZZ9DP/F71YHEZGO4ZZ9DP.SQUARE2.jpg http://img.instructables.com/files/deriv/F71/YHEZ/GO4ZZ9DP/F71YHEZGO4ZZ9DP.SQUARE.jpg http://img.instructables.com/files/deriv/F71/YHEZ/GO4ZZ9DP/F71YHEZGO4ZZ9DP.SMALL.jpg mcraghead Question: What do you do when your PC wants you to press F1 on boot, but you have no keyboard? Answer: Hack together a USB dongle that does nothing but F1. I admit that this is a silly problem and an even sillier solution, but the mind boggles at the possibilities: custom keypads for gaming, a Cont...
By: mcraghead

Continue Reading »]]> Thu, 26 May 2011 01:09:17 PDT http://www.instructables.com/id/9V-IR-detector/
9V IR detector - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FKN/0SF7/GMIGB8I1/FKN0SF7GMIGB8I1.SQUARE2.jpg http://img.instructables.com/files/deriv/FKN/0SF7/GMIGB8I1/FKN0SF7GMIGB8I1.SQUARE.jpg http://img.instructables.com/files/deriv/FKN/0SF7/GMIGB8I1/FKN0SF7GMIGB8I1.SMALL.jpg Candymanproductions This is a great, simple project to make a small and robust 9V IR detector. It can be used to seek out security cameras that use infrared light to "see" or to check if your remote control is still working. What you need For this project you will need: -A 9V battery clip with a flat cover made of...
By: Candymanproductions

Continue Reading »]]> Mon, 25 Apr 2011 05:29:49 PDT http://www.instructables.com/id/Rebuilding-an-old-AM-radio/
Rebuilding an old AM radio - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F9V/ZUTR/GMVSCQEI/F9VZUTRGMVSCQEI.SQUARE2.jpg http://img.instructables.com/files/deriv/F9V/ZUTR/GMVSCQEI/F9VZUTRGMVSCQEI.SQUARE.jpg http://img.instructables.com/files/deriv/F9V/ZUTR/GMVSCQEI/F9VZUTRGMVSCQEI.SMALL.jpg knife141 What could be better this Fall than listening to the ball game on an old vintage AM radio?  This instructable focuses on how I rebuilt an old, non-working pre-1942 AM radio. I won't attempt to get into radio theory in this instructable, nor attempt to provide troubleshooting info on all that can go...
By: knife141

Continue Reading »]]> Sun, 24 Apr 2011 16:36:21 PDT http://www.instructables.com/id/Ultra-TV-B-Gone/
Ultra TV-B-Gone - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FLL/M4UF/VALEP282OLY/FLLM4UFVALEP282OLY.SQUARE2.jpg http://img.instructables.com/files/deriv/FLL/M4UF/VALEP282OLY/FLLM4UFVALEP282OLY.SQUARE.jpg http://img.instructables.com/files/deriv/FLL/M4UF/VALEP282OLY/FLLM4UFVALEP282OLY.SMALL.jpg m_jake This TV-B-Gone uses a 9V battery to send its signal through a matrix of 20 IR LEDS. This extends the working range of the device to about 90ft (line of sight). Using this in a regular sized room you are pretty much guaranteed to kill the TV no matter where you point it. Get the Stuff You wont nee...
By: m_jake

Continue Reading »]]> Thu, 29 Jun 2006 18:18:48 PDT http://www.instructables.com/id/Replacing-an-LCD-backlight-with-sunlight-via-fiber/ http://img.instructables.com/files/deriv/FOP/A1DO/GM9QL05A/FOPA1DOGM9QL05A.SQUARE2.jpg http://img.instructables.com/files/deriv/FOP/A1DO/GM9QL05A/FOPA1DOGM9QL05A.SQUARE.jpg http://img.instructables.com/files/deriv/FOP/A1DO/GM9QL05A/FOPA1DOGM9QL05A.SMALL.jpg Tall-drinks An hour long test. Not bad. This could be an addition to regular LED backlighting in displays potentially. A constant intensity monitor would have to adjust the LEDs to conpensate for the sunlights inconsistency. I envision a roof top covered in small lenses which collect the sun and direct it vari...
By: Tall-drinks

Continue Reading »]]> Sun, 10 Apr 2011 06:59:51 PDT http://www.instructables.com/id/Distance-measurement-with-radio-waves/
Distance measurement with radio waves - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FYQ/9IJZ/GLFUDO76/FYQ9IJZGLFUDO76.SQUARE2.jpg http://img.instructables.com/files/deriv/FYQ/9IJZ/GLFUDO76/FYQ9IJZGLFUDO76.SQUARE.jpg http://img.instructables.com/files/deriv/FYQ/9IJZ/GLFUDO76/FYQ9IJZGLFUDO76.SMALL.jpg Jones Electronic Introduction: First of all, we want to excuse us for our bad English. (German pupils :D) We invented a new, inexpensive device to measure distances up to 1.5km (about 1 mile) with accuracy about ±5 Meter (15 feet). The use of radio waves makes it possible to measure without the target being in sight...
By: Jones Electronic

Continue Reading »]]> Sun, 20 Mar 2011 03:41:12 PDT http://www.instructables.com/id/Coin-block/
Real life coin block - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FSJ/357V/GLFUE9C9/FSJ357VGLFUE9C9.SQUARE2.jpg http://img.instructables.com/files/deriv/FSJ/357V/GLFUE9C9/FSJ357VGLFUE9C9.SQUARE.jpg http://img.instructables.com/files/deriv/FSJ/357V/GLFUE9C9/FSJ357VGLFUE9C9.SMALL.jpg brunoip Do you love Mario Bros? Did you always want to know how getting a coin by hitting a block feels? Or maybe you just want a cool place to store your coins. Well this is the perfect project for you! Materials The main items you will need are the coins, I used the coins of my country. Any size w...
By: brunoip

Continue Reading »]]> Tue, 22 Mar 2011 10:33:40 PDT http://www.instructables.com/id/High-Voltage-1/
- More DIY How To Projects]]> /static/defaultIMG/default.SQUARE2.gif /static/defaultIMG/default.SQUARE.gif /static/defaultIMG/default.SMALL.gif AdamMunich  
By: AdamMunich

Continue Reading »]]> Sat, 19 Mar 2011 13:26:57 PDT http://www.instructables.com/id/NES-in-a-Cartridge/
NES in a Cartridge - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FA9/KG20/GLE1MBQC/FA9KG20GLE1MBQC.SQUARE2.jpg http://img.instructables.com/files/deriv/FA9/KG20/GLE1MBQC/FA9KG20GLE1MBQC.SQUARE.jpg http://img.instructables.com/files/deriv/FA9/KG20/GLE1MBQC/FA9KG20GLE1MBQC.SMALL.jpg dany32412     Have your ever seen any of "Ben Hecks" portable console builds? Well if you haven't, he often uses these Chinese Famicom clone consoles. These cloned consoles are often times refered to as NOAC's, meaning NES On A Chip. They are called this because they are a fully functional Nintendo Entertain...
By: dany32412

Continue Reading »]]> Sun, 20 Mar 2011 17:38:14 PDT http://www.instructables.com/id/Hacking-the-Rigol-DS1052E-Oscilloscope-with-Linux/
Hacking the Rigol DS1052E Oscilloscope with Linux - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F0N/BD1I/GKAYXR8T/F0NBD1IGKAYXR8T.SQUARE2.jpg http://img.instructables.com/files/deriv/F0N/BD1I/GKAYXR8T/F0NBD1IGKAYXR8T.SQUARE.jpg http://img.instructables.com/files/deriv/F0N/BD1I/GKAYXR8T/F0NBD1IGKAYXR8T.SMALL.jpg hardwarehank I was in the market for an oscilloscope, but I didn't want to spend much.  I found out about Rigol and their line of $300-400 scopes, and was getting ready to buy one.  Then I found a post on how to make your DS1052E, which costs about $400 into a DS1102E, which costs about $700 with a simple firmwa...
By: hardwarehank

Continue Reading »]]> Fri, 18 Feb 2011 16:35:56 PST http://www.instructables.com/id/QD-Poor-mans-Skinner-Sadist-Jeopardy-game/
Q&D-Poor man's-Skinner-Sadist-Jeopardy game - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FUE/K3Y3/GJQEG3LW/FUEK3Y3GJQEG3LW.SQUARE2.jpg http://img.instructables.com/files/deriv/FUE/K3Y3/GJQEG3LW/FUEK3Y3GJQEG3LW.SQUARE.jpg http://img.instructables.com/files/deriv/FUE/K3Y3/GJQEG3LW/FUEK3Y3GJQEG3LW.SMALL.jpg israelff In this instructable you will learn how to make a Q&D-Poor man's-Skinner-Sadist-Jeopardy game . First off, the disclaimer: I'm not responsible of whatever you do. You have to know that with a great power comes...bla-bla-bla. Just be careful and remember that electricity reserves respect. While the ...
By: israelff

Continue Reading »]]> Fri, 11 Feb 2011 11:19:38 PST