http://www.instructables.com Tue, 29 May 2012 10:18:01 PDT BLOX v1.01 http://www.instructables.com/id/EMP-generator/
EMP generator - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F0H/Y1WM/H2MYK6OV/F0HY1WMH2MYK6OV.SQUARE2.jpg http://img.instructables.com/files/deriv/F0H/Y1WM/H2MYK6OV/F0HY1WMH2MYK6OV.SQUARE.jpg http://img.instructables.com/files/deriv/F0H/Y1WM/H2MYK6OV/F0HY1WMH2MYK6OV.SMALL.jpg Jewson To make a EMP generator you will need: A disposibul camera alot of copper wire (the thiner the better) A switch. Making the coil You need to make a coil of wire about 10cm wide, you can do this by wrapping the wire around a circal object like a drink bottle. When winding go for thickness not w...
By: Jewson

Continue Reading »]]> Sun, 27 May 2012 00:21:50 PDT 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/Temperature-Monitoring/ http://img.instructables.com/files/deriv/FZT/K63F/H2CE78GF/FZTK63FH2CE78GF.SQUARE2.jpg http://img.instructables.com/files/deriv/FZT/K63F/H2CE78GF/FZTK63FH2CE78GF.SQUARE.jpg http://img.instructables.com/files/deriv/FZT/K63F/H2CE78GF/FZTK63FH2CE78GF.SMALL.jpg sherif.nagy This project is a simple Temperature Monitoring system based on a very cheap LM35 sensor, I am still amateur and this code is based on other 2 project from fritizing "http://fritzing.org/projects/how-to-connect-a-qy-1602a-lcd-to-arduino-correctly/" and "http://fritzing.org/projects/a-simple-tempretu...
By: sherif.nagy

Continue Reading »]]> Thu, 24 May 2012 07:47:16 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/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/Switched%c3%a2variable-AC-for-temperatura/
Switch variable AC for temperatura - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FTL/ZNON/H1YOJ6S4/FTLZNONH1YOJ6S4.SQUARE2.jpg http://img.instructables.com/files/deriv/FTL/ZNON/H1YOJ6S4/FTLZNONH1YOJ6S4.SQUARE.jpg http://img.instructables.com/files/deriv/FTL/ZNON/H1YOJ6S4/FTLZNONH1YOJ6S4.SMALL.jpg Eddiz This is to regulate the temperature and flow! example:                    -Welder                    -Bulb with the Welder! Diagram
By: Eddiz

Continue Reading »]]> Tue, 22 May 2012 17:30:13 PDT http://www.instructables.com/id/Flyback-transformers-how-and-why/
Flyback transformers - how and why. - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FNO/8B9S/H1YOJ3WD/FNO8B9SH1YOJ3WD.SQUARE2.jpg http://img.instructables.com/files/deriv/FNO/8B9S/H1YOJ3WD/FNO8B9SH1YOJ3WD.SQUARE.jpg http://img.instructables.com/files/deriv/FNO/8B9S/H1YOJ3WD/FNO8B9SH1YOJ3WD.SMALL.jpg steveastrouk This Ible was written to answer the questions of fellow Ibler, Electorials. I hope it helps. The flyback circuit is a classic method of generating moderately high voltages. It is not, by any means, the ONLY way, but it was once a very common circuit, and was employed in EVERY CRT based TV or monito...
By: steveastrouk

Continue Reading »]]> Tue, 22 May 2012 04:19:46 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/Pressure-Plate-Alarm-For-Pets/
Pressure Plate Alarm: For Pets - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FQI/2UJL/H2CE6V9B/FQI2UJLH2CE6V9B.SQUARE2.jpg http://img.instructables.com/files/deriv/FQI/2UJL/H2CE6V9B/FQI2UJLH2CE6V9B.SQUARE.jpg http://img.instructables.com/files/deriv/FQI/2UJL/H2CE6V9B/FQI2UJLH2CE6V9B.SMALL.jpg osterac What's this cardboard square you ask? It's a pressure plate that triggers an alarm when stepped on. It's designed for the weight of a pet like a cat or a dog, I used it to teach my cats to keep off of the counter. The hole in the center is for bait (meat) and there is an alarm and power brick. I'm s...
By: osterac

Continue Reading »]]> Mon, 21 May 2012 19:07:22 PDT http://www.instructables.com/id/power-supply-12v-variable-with-circuit-protection/
power supply 12v variable with circuit protection - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F8W/20ZP/H1ZG822L/F8W20ZPH1ZG822L.SQUARE2.jpg http://img.instructables.com/files/deriv/F8W/20ZP/H1ZG822L/F8W20ZPH1ZG822L.SQUARE.jpg http://img.instructables.com/files/deriv/F8W/20ZP/H1ZG822L/F8W20ZPH1ZG822L.SMALL.jpg Eddiz this is the circuit! :) the short circuit The protection circuit is activated when a short circuit happens, indicating the red LED andthe voltage down to 0. When you press the push botton resets the circuit! you need: -power transformer 120v AC/18-16-12v DC 1amp. -bridge rectifier -(2) leds ...
By: Eddiz

Continue Reading »]]> Mon, 21 May 2012 11:00:58 PDT http://www.instructables.com/id/Light-activated-switch/
Dark activated switch - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FD2/XBWX/H29XSPLK/FD2XBWXH29XSPLK.SQUARE2.jpg http://img.instructables.com/files/deriv/FD2/XBWX/H29XSPLK/FD2XBWXH29XSPLK.SQUARE.jpg http://img.instructables.com/files/deriv/FD2/XBWX/H29XSPLK/FD2XBWXH29XSPLK.SMALL.jpg sooraj619 This circuit is simple compared to other light sensitive switching circuits it switches a relay so that you can switch electrical appliances also with it, you can use the circuit for garden lamps or outdoor or indoor lighting. It contains a 10k variable resistor which controls the sensitivity of the...
By: sooraj619

Continue Reading »]]> Sun, 20 May 2012 00:54:48 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/Hard-Drive-Hacked-To-a-Hidden-DrivePhone-Stand-/ http://img.instructables.com/files/deriv/FP8/R9DL/H1ZG7SVQ/FP8R9DLH1ZG7SVQ.SQUARE2.jpg http://img.instructables.com/files/deriv/FP8/R9DL/H1ZG7SVQ/FP8R9DLH1ZG7SVQ.SQUARE.jpg http://img.instructables.com/files/deriv/FP8/R9DL/H1ZG7SVQ/FP8R9DLH1ZG7SVQ.SMALL.jpg Samimy About this project: A Hidden Flash-Memory That Only you know how to turn it on and use it secretly. This is a DIY hack project that allows you to recycle your broken hard-drives back to live and turn them to something useful. here are the costs and list of devices for those who will love to make th...
By: Samimy

Continue Reading »]]> Sat, 19 May 2012 02:06:06 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-box-to-store-your-components-or-other-stuf/
Make a box to store your components (or other stuff) - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FKI/7F41/H1JUGHD7/FKI7F41H1JUGHD7.SQUARE2.jpg http://img.instructables.com/files/deriv/FKI/7F41/H1JUGHD7/FKI7F41H1JUGHD7.SQUARE.jpg http://img.instructables.com/files/deriv/FKI/7F41/H1JUGHD7/FKI7F41H1JUGHD7.SMALL.jpg person% I have tried many different ways to store my pile of components in an orderly way, but the thing that works best for me was to make a box for them. In this Instructable I’ll show you how to make a nice box that works very well for me. All the stuff you need is around in almost all homes, I try to ma...
By: person%

Continue Reading »]]> Fri, 18 May 2012 19:25:35 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/Build-a-Zener-Diode-Identifier/
Build a Zener Diode Identifier - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FB4/6YO0/H1JUGVPU/FB46YO0H1JUGVPU.SQUARE2.jpg http://img.instructables.com/files/deriv/FB4/6YO0/H1JUGVPU/FB46YO0H1JUGVPU.SQUARE.jpg http://img.instructables.com/files/deriv/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

Continue Reading »]]> Fri, 18 May 2012 02:36:55 PDT http://www.instructables.com/id/Intro-Things/
Intro & Things - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FA1/400B/H1YONIKV/FA1400BH1YONIKV.SQUARE2.jpg http://img.instructables.com/files/deriv/FA1/400B/H1YONIKV/FA1400BH1YONIKV.SQUARE.jpg http://img.instructables.com/files/deriv/FA1/400B/H1YONIKV/FA1400BH1YONIKV.SMALL.jpg Fr0stByte If your like me and you have a second or even third keyboard for your computer games but want to add a bit of "You" to it, then this is for you. There are several way that this can be done but I will be focussing on two. Now the pictures and steps are for my personal setup so unless you like mine, u...
By: Fr0stByte

Continue Reading »]]> Thu, 17 May 2012 18:57:00 PDT http://www.instructables.com/id/Make-5Watts-Hard-Drive-Based-Monitor-LED-Lights/ http://img.instructables.com/files/deriv/FRJ/G9HI/H27LRQIX/FRJG9HIH27LRQIX.SQUARE2.jpg http://img.instructables.com/files/deriv/FRJ/G9HI/H27LRQIX/FRJG9HIH27LRQIX.SQUARE.jpg http://img.instructables.com/files/deriv/FRJ/G9HI/H27LRQIX/FRJG9HIH27LRQIX.SMALL.jpg Samimy working long time with computers, you may have noticed that monitors actually need an opposite light toward them to make them less disturbing to our eyes. if we do not use lights toward monitors, it would be very inconvenient for the eyes. or may cause dry eyes. meanwhile another problem i faced was...
By: Samimy

Continue Reading »]]> Thu, 17 May 2012 18:12:08 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/Shocking-fun-DC-to-AC-555-circuit-and-storing-ju/ http://img.instructables.com/files/deriv/FCA/O0O1/H27LREHV/FCAO0O1H27LREHV.SQUARE2.jpg http://img.instructables.com/files/deriv/FCA/O0O1/H27LREHV/FCAO0O1H27LREHV.SQUARE.jpg http://img.instructables.com/files/deriv/FCA/O0O1/H27LREHV/FCAO0O1H27LREHV.SMALL.jpg cannedmushrooms Ever want to play with some stronger volts using standard components at your local radio shack? Well this circuit comes straight from http://www.555-timer-circuits.com/ website and simplified to a breadboard. I'm just your standard electronic junkie / teacher so I try to break down circuit reading ...
By: cannedmushrooms

Continue Reading »]]> Mon, 14 May 2012 16:58:39 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/Homemade-LM317-Bench-Power-Supply/ http://img.instructables.com/files/deriv/FQY/F6AM/H267L327/FQYF6AMH267L327.SQUARE2.jpg http://img.instructables.com/files/deriv/FQY/F6AM/H267L327/FQYF6AMH267L327.SQUARE.jpg http://img.instructables.com/files/deriv/FQY/F6AM/H267L327/FQYF6AMH267L327.SMALL.jpg Wizzkid1984 This is my first real project in electronics! I started by looking at the schematic and scratching my head a lot then just went for it! I put the bits and bobs on the board and soldered them into place, wasn't really sure how or where to put the bits. Then i started soldering the wires as in the sc...
By: Wizzkid1984

Continue Reading »]]> Sun, 13 May 2012 11:54:04 PDT http://www.instructables.com/id/Intro-49/
Desk Cord Management Using Binder Clips - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F7R/X0QJ/H1YOI46R/F7RX0QJH1YOI46R.SQUARE2.jpg http://img.instructables.com/files/deriv/F7R/X0QJ/H1YOI46R/F7RX0QJH1YOI46R.SQUARE.jpg http://img.instructables.com/files/deriv/F7R/X0QJ/H1YOI46R/F7RX0QJH1YOI46R.SMALL.jpg bo.doub One of my least favorite (and most frequent) moments is when I unplug a cable from a device on my desk (e.g., USB cable, camera connecter, charger, etc.) and it falls into the chaos of cords and objects writhing on the floor. From this moment a mixture of regret and dread arises for the next time I...
By: bo.doub

Continue Reading »]]> Sat, 12 May 2012 19:04:37 PDT http://www.instructables.com/id/How-to-add-video-capabilities-to-a-treadmill/
How to add video capabilities to a treadmill - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FH7/AHLQ/H231Z55W/FH7AHLQH231Z55W.SQUARE2.jpg http://img.instructables.com/files/deriv/FH7/AHLQ/H231Z55W/FH7AHLQH231Z55W.SQUARE.jpg http://img.instructables.com/files/deriv/FH7/AHLQ/H231Z55W/FH7AHLQH231Z55W.SMALL.jpg rmsolor Treadmills can be a significant investment, and purchasing one that fits your budget may require that you sacrifice certain perks. However, with a bit of creativity you can create an arrangement that allows you to enjoy music or watch movies while you work out. This setup consists of a laptop and s...
By: rmsolor

Continue Reading »]]> Sat, 12 May 2012 11:40:14 PDT http://www.instructables.com/id/Voltage-Source-inside-a-gamecube/ http://img.instructables.com/files/deriv/F1I/VUEE/H231Z4BU/F1IVUEEH231Z4BU.SQUARE2.jpg http://img.instructables.com/files/deriv/F1I/VUEE/H231Z4BU/F1IVUEEH231Z4BU.SQUARE.jpg http://img.instructables.com/files/deriv/F1I/VUEE/H231Z4BU/F1IVUEEH231Z4BU.SMALL.jpg ero619 So our first circuits project was to build a power source, so my girlfriend and i decided to build it on a gamecube and add some extras besides the power source, like a usb port to charge almost any usb-rechargable electronic. The power source can give a voltage between 1V and 20V on the left burne...
By: ero619

Continue Reading »]]> Sat, 12 May 2012 00:50:11 PDT http://www.instructables.com/id/4x5-Relatively-Prime-LED-Matrix/
4x5 Relatively Prime LED Matrix - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FT5/HPQJ/H1YOB6II/FT5HPQJH1YOB6II.SQUARE2.jpg http://img.instructables.com/files/deriv/FT5/HPQJ/H1YOB6II/FT5HPQJH1YOB6II.SQUARE.jpg http://img.instructables.com/files/deriv/FT5/HPQJ/H1YOB6II/FT5HPQJH1YOB6II.SMALL.jpg spietro I did this project as a final for Physics Lab 308L at the University of New Mexico.  All semester long I got tons of help from Steve Koch and Anthony Salvagno.   The influence for this project came from an image I saw in a Number Theory course.  You can create a large lattice (or "checker board" if...
By: spietro

Continue Reading »]]> Fri, 11 May 2012 16:37:19 PDT http://www.instructables.com/id/Inexpensive-AC-Power-Adapter-for-My-Digital-Camera/
Inexpensive AC Power Adapter for My Digital Camera - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FBY/O738/H1JUH8J1/FBYO738H1JUH8J1.SQUARE2.jpg http://img.instructables.com/files/deriv/FBY/O738/H1JUH8J1/FBYO738H1JUH8J1.SQUARE.jpg http://img.instructables.com/files/deriv/FBY/O738/H1JUH8J1/FBYO738H1JUH8J1.SMALL.jpg Phil B This is my Kodak z710 (7.1 MP) camera. Most of its duties involve taking photos for my Instructables, and I do not really need the mobility provided by battery power for that purpose, at least not most of the time. The batteries are expensive and I would like to lessen my dependence on them. I could...
By: Phil B

Continue Reading »]]> Wed, 9 May 2012 23:28:34 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/J-cell-Battery-Adapter/
J-cell Battery Adapter - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FQV/XVN7/H1Y0H0FP/FQVXVN7H1Y0H0FP.SQUARE2.jpg http://img.instructables.com/files/deriv/FQV/XVN7/H1Y0H0FP/FQVXVN7H1Y0H0FP.SQUARE.jpg http://img.instructables.com/files/deriv/FQV/XVN7/H1Y0H0FP/FQVXVN7H1Y0H0FP.SMALL.jpg tmack0 The J-Cell battery, aka 7K67 or 4LR61 or 539, is a 6V alkaline battery, typically classified as a "medical device" battery. It is becoming harder and harder to find these in stores, since most things these days simply use Lithium coin cells. Its still easy to find them online, but if you need one fa...
By: tmack0

Continue Reading »]]> Mon, 7 May 2012 23:04:55 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/Wireless-Energy-Demonstration-Kit/
Wireless Energy - Tesla Coil Kit - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FPP/4ZSW/H1YOHEPU/FPP4ZSWH1YOHEPU.SQUARE2.jpg http://img.instructables.com/files/deriv/FPP/4ZSW/H1YOHEPU/FPP4ZSWH1YOHEPU.SQUARE.jpg http://img.instructables.com/files/deriv/FPP/4ZSW/H1YOHEPU/FPP4ZSWH1YOHEPU.SMALL.jpg eastvoltresearch *The kit purchasing info can be found here: http://www.easternvoltageresearch.com/audio_wireless.html Wireless energy transfer has always fascinating me and I decided to create a very simple kit to demonstrate that principle.  Wireless energy transfer is nothing new - its been around since the ti...
By: eastvoltresearch

Continue Reading »]]> Sun, 6 May 2012 09:35:02 PDT http://www.instructables.com/id/Writing-Motion-Capture/ http://img.instructables.com/files/deriv/F0X/4DK7/H1QMLGXM/F0X4DK7H1QMLGXM.SQUARE2.jpg http://img.instructables.com/files/deriv/F0X/4DK7/H1QMLGXM/F0X4DK7H1QMLGXM.SQUARE.jpg http://img.instructables.com/files/deriv/F0X/4DK7/H1QMLGXM/F0X4DK7H1QMLGXM.SMALL.jpg dustinab Introduction The Writing Motion Capture system is a pen designed to capture a user’s handwritten notes into a digital format without use of specialized paper or writing surfaces. The pen utilizes an FPGA with accelerometer and gyroscope sensors to capture the pen’s orientation and movement, which a...
By: dustinab

Continue Reading »]]> Sun, 6 May 2012 03:32:50 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/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/How-to-connect-LED-strips/ http://img.instructables.com/files/deriv/FF7/0VQK/H1JUH89N/FF70VQKH1JUH89N.SQUARE2.jpg http://img.instructables.com/files/deriv/FF7/0VQK/H1JUH89N/FF70VQKH1JUH89N.SQUARE.jpg http://img.instructables.com/files/deriv/FF7/0VQK/H1JUH89N/FF70VQKH1JUH89N.SMALL.jpg mistrip 1 Connect the LED strips to the 220v adapter 2  Add safety cover at the end of LED strips 3 Connect 220 AC
By: mistrip

Continue Reading »]]> Wed, 2 May 2012 18:34:09 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/Drawdio-3/
Drawdio - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FDN/9ZJV/H1JU4ZDR/FDN9ZJVH1JU4ZDR.SQUARE2.jpg http://img.instructables.com/files/deriv/FDN/9ZJV/H1JU4ZDR/FDN9ZJVH1JU4ZDR.SQUARE.jpg http://img.instructables.com/files/deriv/FDN/9ZJV/H1JU4ZDR/FDN9ZJVH1JU4ZDR.SMALL.jpg camilabon Qué es un drawdio?  Imagínense poder dibujar instrumentos musicales sobre un papel y luego poder tocarlos con tus dedos. El drawdio es una herramienta que mezcla sonido y dibujo, permitiendo convertir en música cada objeto que desees: agua, pinceles, comida, personas plantas.. y muchos otros!! E...
By: camilabon

Continue Reading »]]> Wed, 2 May 2012 15:11:54 PDT http://www.instructables.com/id/Make-a-SPY-electronic-stethoscope/ http://img.instructables.com/files/deriv/FJ1/JTF0/H1JU5A3M/FJ1JTF0H1JU5A3M.SQUARE2.jpg http://img.instructables.com/files/deriv/FJ1/JTF0/H1JU5A3M/FJ1JTF0H1JU5A3M.SQUARE.jpg http://img.instructables.com/files/deriv/FJ1/JTF0/H1JU5A3M/FJ1JTF0H1JU5A3M.SMALL.jpg drdan152 Just copy and paste the link....its part of my other instructable! Make the ultimate receiver for the "MintyBeam" and see the last step! http://www.instructables.com/id/MintyBeam-Bug-a-room-and-transmit-voice-over-a-la/#step1
By: drdan152

Continue Reading »]]> Tue, 1 May 2012 21:19:01 PDT http://www.instructables.com/id/Silicon-Diode/
Silicon Diode - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FSA/FNXL/H1LWPRN3/FSAFNXLH1LWPRN3.SQUARE2.jpg http://img.instructables.com/files/deriv/FSA/FNXL/H1LWPRN3/FSAFNXLH1LWPRN3.SQUARE.jpg http://img.instructables.com/files/deriv/FSA/FNXL/H1LWPRN3/FSAFNXLH1LWPRN3.SMALL.jpg halamka Well, I have wanted to find out how to  make a transistor since I was in college chemistry. That was back in 1981. It was not on the curriculum at all. Strickly titrations with ali of iraq who insisted there was going to be a lot of trouble. So I have made several diodes after visiting the santa cru...
By: halamka

Continue Reading »]]> Tue, 1 May 2012 18:45:49 PDT http://www.instructables.com/id/Blink-Module/
Blink Module - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FBS/9BWN/GOHMGLVS/FBS9BWNGOHMGLVS.SQUARE2.jpg http://img.instructables.com/files/deriv/FBS/9BWN/GOHMGLVS/FBS9BWNGOHMGLVS.SQUARE.jpg http://img.instructables.com/files/deriv/FBS/9BWN/GOHMGLVS/FBS9BWNGOHMGLVS.SMALL.jpg randofo One of the common modules used in making Simple Bots is the Blink Module. This involves photocoupling an LED to a bike safety light. When the safety light turns on, the motor turns on and when the light turns off, the motor turns off. On account of this, the motor reacts to the different blink patt...
By: randofo

Continue Reading »]]> Tue, 1 May 2012 09:38:40 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/Light-Module/
Light Module - More DIY How To Projects]]> http://img.instructables.com/files/deriv/F9X/ECRF/GOIDHBV9/F9XECRFGOIDHBV9.SQUARE2.jpg http://img.instructables.com/files/deriv/F9X/ECRF/GOIDHBV9/F9XECRFGOIDHBV9.SQUARE.jpg http://img.instructables.com/files/deriv/F9X/ECRF/GOIDHBV9/F9XECRFGOIDHBV9.SMALL.jpg randofo The light module is basically the Simple Bots light sensor in a rugged directional casing with two convenient wires protruding. By adjusting the size of the iris (clear opening), you are able to make the module as responsive to ambient light as you would like. By splicing this in series with your m...
By: randofo

Continue Reading »]]> Mon, 30 Apr 2012 16:07:43 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/Clapper-Circuit-controlling-a-9x9-LED-Matrix/ http://img.instructables.com/files/deriv/FGG/S73B/H1LWPLRV/FGGS73BH1LWPLRV.SQUARE2.jpg http://img.instructables.com/files/deriv/FGG/S73B/H1LWPLRV/FGGS73BH1LWPLRV.SQUARE.jpg http://img.instructables.com/files/deriv/FGG/S73B/H1LWPLRV/FGGS73BH1LWPLRV.SMALL.jpg rtty21 I am showing you the clapper circuit I made. The original design was made by EngineeringShock. Check out his clapper circuit video. I am going to make an instructables article for making a 9x9 Matrix and programming it very soon.
By: rtty21

Continue Reading »]]> Mon, 30 Apr 2012 15:32:42 PDT http://www.instructables.com/id/Adaruit-Resistor-Helper/
Adaruit Resistor Helper - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FI9/OJ8U/H1EN70U0/FI9OJ8UH1EN70U0.SQUARE2.jpg http://img.instructables.com/files/deriv/FI9/OJ8U/H1EN70U0/FI9OJ8UH1EN70U0.SQUARE.jpg http://img.instructables.com/files/deriv/FI9/OJ8U/H1EN70U0/FI9OJ8UH1EN70U0.SMALL.jpg adafruit Papercrafts at Adafruit! We’re excited to share this Resistor Helper you can download and make yourself. It’s the newest tool in our Circuit Playground family– when you can’t get to your iPhone or iPad, use paper! One side helps you read 4-band types and the other side takes care of 5-band types. Th...
By: adafruit

Continue Reading »]]> Thu, 26 Apr 2012 09:49:42 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/pcb-methodes/ http://img.instructables.com/files/deriv/F8F/K8RP/H1EN6OW6/F8FK8RPH1EN6OW6.SQUARE2.jpg http://img.instructables.com/files/deriv/F8F/K8RP/H1EN6OW6/F8FK8RPH1EN6OW6.SQUARE.jpg http://img.instructables.com/files/deriv/F8F/K8RP/H1EN6OW6/F8FK8RPH1EN6OW6.SMALL.jpg tgferreira184 a variety of pcb prototyping methodes How to make a PCB Method 2 This method is a lot easier than the other one i made and a lot quicker. All you need is: - sand paper (fine grit preferred) I used P400 - 0.8mm drill bit - drill - ammonium persulphate - water - dalo... Sponge + Ferric Chloride M...
By: tgferreira184

Continue Reading »]]> Tue, 24 Apr 2012 14:25:49 PDT http://www.instructables.com/id/MintyBeam-Bug-a-room-and-transmit-voice-over-a-la/
MintyBeam: Bug a room and transmit voice over a laser beam (also a Super Spy Ear/Stethoscope) - More DIY How To Projects]]> http://img.instructables.com/files/deriv/FCI/RPAU/H14REXGC/FCIRPAUH14REXGC.SQUARE2.jpg http://img.instructables.com/files/deriv/FCI/RPAU/H14REXGC/FCIRPAUH14REXGC.SQUARE.jpg http://img.instructables.com/files/deriv/FCI/RPAU/H14REXGC/FCIRPAUH14REXGC.SMALL.jpg drdan152 INTRO: This instructable will show you how to make a laser voice transmitter and reciver housed in the infamous altoid tin (or any other clandestine container). If you choose, the receiver can be modified to also work as a Super Spy Ear AND an audio amp for your iPod etc. You can choose to make a RE...
By: drdan152

Continue Reading »]]> Tue, 24 Apr 2012 09:31:08 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