Electronics Infoline

ATir AVR IR Keyboard Interface Makes The Remote Becoming Easier!

Fri, 03 Jul 2009 16:59:22 UTC

You like to have a device that can help you control the PC/keyboard, but you dont know the proper way to build it? In this case, the A Tir AVR IR Keyboard Interface would be the perfect choice here! For your information, the incredible ATtiny45-based A Tir interface device can easily offers a convenient cross platform solution to interface an IR remote control to type keyboard macros to a PC! Furthermore, the compact system included with an infrared receiver/demodulator and a few discreet components.

the iTIN

Fri, 03 Jul 2009 16:58:00 UTC

This Instructable will show you how to make the ultimate pocket sized tool. It can charge your ipod, Zune, phone, GPS or anything that runs off of a USB port.

Lucid Dreamachine

Fri, 03 Jul 2009 16:28:24 UTC

This instructable is an inexpensive re-make of Brion Gysins Dreamachine. This lucid dream machine is simply a cylinder with holes punched in it so, when spun, creates a flickering light pattern across your closed eyelids.

Lego modded antennatuner

Fri, 03 Jul 2009 16:23:16 UTC

This antenna tuner is controlled remotely using geared motors and legos. The tuner needed to be closer to the antenna for performance reasons. This created a problem; most of the radio gear is inside while the tuner is outside.

Loo Log - Washroom Usage Monitoring

Fri, 03 Jul 2009 12:10:31 UTC

If you live in a house that has more washrooms than people you have probably come across the situation where you are waiting for one to free up. Sven has come up with a solution, use a microcontroller to capture usage information and graph it so that you can see what the typical usage patten is like! Have a look at the recent graphs for some additional details.

Tiniest bot, sort of. CNCcontrolled

Fri, 03 Jul 2009 11:20:47 UTC

Heres an interesting concept, the bot pictured above has no internal control mechanisms. His claims to have built the smallest bot are dubious, considering it requires a much larger control platform to function, so lets just set that aside and look at how it works.

Customize your Mac

Fri, 03 Jul 2009 08:41:24 UTC

This little how-to will show you some cool things you can do to your mac. **I take no responsiblity if you mess up your mac** Note you must be an adminstartor for most of these changes Also more will be posted Im feeling lazy.

Photographing Fireworks

Fri, 03 Jul 2009 06:37:07 UTC

Getting good photos of fireworks is easy. You dont have to have an expensive camera to get good shots. I used a Canon PowerShot A470 that only cost $105.

Bright USB Powered LED Light

Fri, 03 Jul 2009 01:29:15 UTC

This Instructable will show how to build a very bright usb powered led light. This can come in very handy while working on your computer or lighting up your keyboard in the dark.

8*10 L.E.D Matrix with 4017

Thu, 02 Jul 2009 17:50:17 UTC

In this instructable I will show you how to build a quite fancy 8 by 10 L. E. D matrix(with scrolling text and animations) using the Arduino and 4017 decade counter.

The Superior Haptic Appointment Manager

Thu, 02 Jul 2009 16:45:06 UTC

Youre a very busy businessman/businesswoman, where you didnt have time to mark down all the appointments onto the note! If you did, but youre always forgotten about the location of the appointment and didnt arrive it on time? Due to the mistake, youve missed the opportunity and even the customers entrustment on you! Youve learned the lesson and its time to overcome all the frustration.

Understanding and Controlling Motors

Thu, 02 Jul 2009 16:15:32 UTC

Driving motors from a microcontroller will be required for a project eventually. This video by NerdKits will go over some of the basics that are needed.

Self-portraitmachine

Thu, 02 Jul 2009 15:56:14 UTC

[Jen Hui Liao] created a device that guides the user into drawing a portrait of themselves. Dubbed Self-Portrait Machine, it comments on how much in society is created by machines and we are dependent on them.

Scratchbot: Whiskers to therescue

Thu, 02 Jul 2009 15:48:13 UTC

Scratchbot is designed as a rescue bot, going places where there is low visibility. Its defining feature is the fact that it uses whiskers to feel for things.

Crack WEP usingBackTrack

Thu, 02 Jul 2009 15:34:25 UTC

Lifehacker wrote a guide for cracking a WiFi networks WEP password using BackTrack. BackTrack is a Linux live CD used for security testing and comes with the tools needed to break WEP.

How-to: Bus Pirate probecable

Thu, 02 Jul 2009 13:58:07 UTC

A probe cable makes it easy to connect the Bus Pirate to a circuit and get hacking. Good test clips make quick connections on cramped PCBs without causing short circuits.

Clever stair climbingrobot

Thu, 02 Jul 2009 12:52:18 UTC

Stairs are one of the most commonly faced mobility challenges for a robot. This robots design eliminates the need for a complex drive train or computer, and instead uses a clever mechanical design to climb stairs.

USB Cigar Storage

Thu, 02 Jul 2009 10:58:27 UTC

If you have some top secret into that needs to hide in plain sight have a look at this USB Cigar. When the cigar is together there is no sign that it has been hacked! Materials: A thick cigar An USB flash disk of small dimensions Some wire, 2 x LEDs (red!), 1 x 10K resistor Wood primer Some tape A short USB extension cable Very thin paper, the size of a stamp .

Cork USB/Pen Drive

Thu, 02 Jul 2009 10:43:45 UTC

In this Instructable Ill show you how to make a cork USB. this can be a bit tricky when hollowing out the cork. WARNING: hollowing out cork is dangerous is knife cuts through cork.

T.G.I.M.B.O.E.J. turnsone

Thu, 02 Jul 2009 09:35:06 UTC

The Great Internet Migratory Box of Electronics Junk, or T. G. I. M. B. O. E. J. has turned one. In the last year, theyve learned a lot of things.

Building an Arduino Simple Walker is As Easy As ABC!

Thu, 02 Jul 2009 04:21:03 UTC

Youre the parent and your children seem to be have some deep interest on the robotics or electronics stuffs? Well, if they did, you might want to keep your kids busy with this Arduino Simple Walker! For your information, this Arduino Simple Walker is the ideal little project to introduce your children to the Arduinos world.

Poor mans thermographiccamera

Wed, 01 Jul 2009 18:41:06 UTC

Using an IR thermometer, there are two ways to go about building a thermographic camera. The first uses a pan and tilt head. Scan lines are emulated, as a computer controls panning from left to right, taking a temperature sample from each step.

Firework ignitors and controllersroundup

Wed, 01 Jul 2009 16:13:27 UTC

With the 4th of July around the corner, we thought it would be a good idea to give a controller wrap up and show you how to make some ignitors. Last year we covered a microcontroller based fireworks launcher.

First hovering ornithopterNAV

Wed, 01 Jul 2009 15:20:06 UTC

DARPA has awarded an extension to AeroVironment for their work on the Nano Air Vehicle project. The prototype seen above, called Mercury, is an ornithopter which means it flaps its wings.

Mixed voltage interfacing with the BusPirate

Wed, 01 Jul 2009 13:45:08 UTC

Most of the parts we use operate at 3. 3volts, but we still run into a lot of old 5volt stuff, and an occasional 2. 5volt or 1. 8volt part. This post explains how to use the Bus Pirates open collector pin mode to interface with parts at different voltages.

how to make the hippi (computer) virus and the cure

Wed, 01 Jul 2009 13:38:08 UTC

this is an instructable on how to replicate the hippi computer virus note* all files in this tutorial have to be run as administer on windows vista also will be included is how to make the cure to the original hippi virus and the one we will make step 1whats the hippi virusthe hippi virus is an old virus currently detected by most antivirus programs today the virus modified the registry of windows computers to change the classification of.

USB Cigar Flash Memory (with LEDs)

Wed, 01 Jul 2009 13:14:03 UTC

It glows red when connected, and brightens upon disk access. A touch of distinction for your computer! Not just for cigar lovers, spies, etc. but also for non-smokers.

The Snowclock

Wed, 01 Jul 2009 10:46:02 UTC

Snow days are great, but generally you still have to wake up to find out if it is a snow day. [insingertech] decided to make a system to solve this problem.

How to update and jailbreak Ipod/Iphone on 3.0 OS (NOT FOR IPHONE 3GS)

Wed, 01 Jul 2009 10:32:13 UTC

I will be showing you how to update and jailbreak your Iphone 2g/3g or Ipod touch 1g/2g. This instructable is not for the new Iphone 3GS. Please be advised that I take no responsibility if you break your Iphone/Ipod.

Pocket sized LED (Altoids) flashlight

Tue, 30 Jun 2009 19:10:03 UTC

This Ible will detail how to make an LED flashlight in an Altoids smalls container. I had thought about making this a cooler morecomplex thing, but because I made it so simple it is very durable (if made well) step 1SuppliesYou will need.

Hug & touch sensitive Instructables robot patch

Tue, 30 Jun 2009 18:08:03 UTC

I always wanted to make a simple, yet decent project with this patch, and the pocket-sized contest seemed like the perfect opportunity to make a robot mascot.

Create A Color Accented Photo In Photoshop

Tue, 30 Jun 2009 17:05:12 UTC

In this instructable I will show you how to create an easy color accented photo in photoshop, gimp, or any other image editing program. step 1What You Will NeedYou will need the following things to do this: - Photoshop, GIMP, Inkscape, or any other image editing software - A color photo to accent - A tablet (optional) step 2Prep Work Open up the picture you want in photoshop or whatever program you are using.

The Digital Paperless Receipt System Will Make Your Life Easy!

Tue, 30 Jun 2009 15:33:05 UTC

If you have a job, where youre needed to keep track of paper receipts, then it would be a disaster, if you discovered that a few of the paper receipts were missing here and there! You might be in deep trouble, especially when youre being accused or blamed for missing the important paper receipts of company.

Custom car doorkeypad

Tue, 30 Jun 2009 13:41:11 UTC

[Michael] has a keypad in his previous cars door and he missed it enough to hack one into his Dodge Caliber. He bought a Ford keypad and mounted it inside his door with some custom electronics.

Simplest macro hackever

Tue, 30 Jun 2009 08:53:10 UTC

This quick little hack is beautiful in its simplicity. Need a macro lens to play with? Simply rip the lens out of a pair of binoculars and tape it to the end of your slr lens.

The Powerful Water Metering with ioBridge

Tue, 30 Jun 2009 01:58:03 UTC

Water, its one of the most precious and essential materials for all living creatures. You can survive without foods for more than 3 weeks or longer, but if you didnt drink any water in three days consecutively, then the death is awaiting you for sure! Unfortunately, many people have very low awareness about the water conservation.

iboom-ipod Boombox

Mon, 29 Jun 2009 08:51:13 UTC

Warning. This instructable requires the use of high voltage outputs, demolition of many electrical objects and the use of many dangerous tools. Please do not attempt unless you have experience.

6V6 Pushpull Calss AB Tube Mono Amp.

Sun, 28 Jun 2009 12:32:13 UTC

INTRODUCTION Last time I touched vacuum tubes was around 1967 when I was repairing radios and TV. I remember this old radio HIFI that was stripped from a console back in the early 60s There was a 12 inch speaker and a smaller speaker I think mid range and a small sealed back cone tweeter.

Palm Pre Mojo SDKleaked

Sat, 27 Jun 2009 22:33:02 UTC

Pre Insiders has reported that the Pres Mojo SDK has been leaked to the internet. Palm was planning an early access program, eventually releasing the SDK by the end of the summer, but this leak has accelerated the process.

DIY Amplified Speakers for your MP3 player

Sat, 27 Jun 2009 19:39:02 UTC

There are quite a few instructables out there on making your own speakers for your mp3 player. . . and most of them dont use an amplifier! Without an amplifier you will barely be able to hear the music coming out of the speakers.

LEGO iPod Touch/iPhone dock - Sturdy, simple, and stylish

Sat, 27 Jun 2009 02:13:17 UTC

This is my first Instructable, but Im not going to do the normal Have mercy! plea. All I ask is that you be honest and polite in your ratings and comments, and give me any feedback you have, especially improvements on the tutorial or my dock.

Completly Concelable Pen gun (no rubberbands)

Sat, 27 Jun 2009 00:55:06 UTC

well this Instructable is a little something I made while I was looking at other pen guns and realized that all of them were rubberband or balloon powered so I thought to myself hmmmm and then it came to my mind that the world needed a better spy pen gun.

Olympus Pen-EE Shutter Repair and Overhaul

Fri, 26 Jun 2009 16:37:17 UTC

The Olympus Pen-EE, from about 1961, can be disassembled with care, cleaned and overhauled, and put back together without much risk of losing any parts or damaging anything inside -- if you are handy, steady, and patient, and you have the right tools.

Pneumatic bed alarmclock

Fri, 26 Jun 2009 11:49:25 UTC

For four years, this guy has been using this Pneumatic bed alarm clock to wake up. Apparently Im a really heavy sleeper is an understatement.

Keychain GPSfinder

Thu, 25 Jun 2009 13:20:44 UTC

With a user interface consisting of two buttons and a three digit display, the GPS finder guides the user back to a saved location. Nine locations can be saved for navigation recall.

Wide angle lense mod for theATC2K

Thu, 25 Jun 2009 12:10:26 UTC

For those that have them, the ATC2K action camera is a decent little piece of equipment. It is waterproof and can save video for roughly 30 minutes on a flash card.

Wireless Arduino cat fooddispenser

Wed, 24 Jun 2009 16:49:06 UTC

Reader, [Andres Leon], has two adorable cats with very specific dietary needs. Instead of altering his schedule, he donned his hacking hat and designed a very solid cat food dispenser.

Wii MotionPlus +Arduino

Tue, 23 Jun 2009 13:00:45 UTC

[knuckles904] was able to use the new Wii MotionPlus with an Arduino. Nintendo has released the WM+ in order to detect the motion of the controller better.

iPhone 3G Steardown

Fri, 19 Jun 2009 15:24:06 UTC

Already, both Rapid repair and ifixit have torn down the new iPhone 3G S, and phonewreck has provided some analysis. The new CPU runs twice as fast at 600 MHz and supports 720p video.

iPhone 3.0 tethering iseasy

Wed, 17 Jun 2009 18:44:34 UTC

Did you upgrade your iPhone to 3. 0 yet? 9 to 5 Mac has posted a very good reason to upgrade: enabling tethering is almost stupidly simple. Just run a simple command and then go through a restore procedure.

Ekahau HeatMapper maps out WiFisignals

Tue, 16 Jun 2009 19:43:04 UTC

The term warwalking isnt used very often, but the Ekahau HeatMapper adds a new tool to the pod bound hackers arsenal. The tool maps out wireless access points as well as their signal strength within a facility.

Things You will need to travel the galaxy and/or the universe

Mon, 15 Jun 2009 18:44:06 UTC

Hi, This instructable is for all the space traveling froods out there step 1A TowelProbably the most important thing to have Always know where your towel is The Hitch Hikers Guide to the Galaxy has a few things to say on the subject of towels.

Rocket Launcher

Sun, 14 Jun 2009 19:30:06 UTC

DO NOT ATTEMPT. This instructable is completely informational. Every want a rocket launcher? Yes you did. Heres how to make. Sorry i already made it so i dont have a pic of actually materials being put together.

CommunicationAnachronism

Sun, 14 Jun 2009 07:13:14 UTC

There arent many details, or really any at all here. This was just too fun not to post. Here are two cans strung together, just like when you were a kid.

Water Game Tic Tac Toe

Thu, 11 Jun 2009 23:14:16 UTC

Tic tac toe is a classic game that everyone knows. As you get older it looses its appeal since the result will always be a tie unless someone makes an obvious mistake.

Real guitar + guitarhero

Wed, 10 Jun 2009 17:09:04 UTC

[Alan] isnt very good at guitar. He says so himself. Hes not that great at guitar hero either. Was that medium difficulty? Lets put aside his skill to talk about his controller.

Keykeriki: wireless keyboardsniffer

Thu, 04 Jun 2009 12:37:08 UTC

Remote-Exploit. org is releasing Keykeriki, a wireless keyboard sniffer. The project is both open source hardware and software. you can download the files on their site.

Panasonic Lumix DMC-TZ7 or DMC-ZS3 Unboxing

3 Jun 2009

Here is the unboxing picture of Panasonic DMC-TZ Compact Super Zoom Digital Camera. This is perhaps the best compact, pockatable super-zoom camera to date that can go up to a whopping 21.4x zoom (with extended optical zoom, digital zoom off).

WiNet, wireless Arduinotouchscreen

Sat, 30 May 2009 18:28:01 UTC

Liquidware has put together an interesting kit called the WiNet. It has a battery powered touchscreen controlled by an Arduino. Using an XBee shield, it can send commands to a paired XBee and Arduino attached to a computer.

The evolution of the Spitball Cannon

Sat, 30 May 2009 10:35:21 UTC

In step 1 ive listed a small description of my thought processes which have helped me create the five versions of my spitball cannons. In this instructible i will only include plans for versions 1, 4, and 5.

Water Pump Relay Control

25 May 2009

By means of a Relay, employed to drive a water pump, this circuit provides automatic level control of a water reservoir or well.

Water Level Alert

25 May 2009

This circuit will emit an intermittent beep or will flash a LED when the water contained into a recipient has reached the desired level. If a deeper sensing level is needed, the clips can be extended by means of two pieces of stiff wire.

DC-to-DC Converter

25 May 2009

This DC to DC converter is built by the author for his 48V electric bike because he wanted to plug-in some common 12V accessories, that is, his cellphone charger, or a GPS unit.

DC to DC Boost Converter

25 May 2009

Learn how to build an efficient boost converter to provide high voltage from a lower voltage greater than 5V for several applications, most prominently to charge capacitors. The boost converter described here utilizes the Astable operation of the NE555 a timer Integrated Circuit, an IGBT, a Diode, and an Inductor coil of wire.

How to Build an Antenna

25 May 2009

An antenna is an electromagnetic device that collects or emits radio waves. It consists of material that conducts electricity arranged in such a way that it is in tune with the frequency of a radio signal. Like a tuning fork in the presence of a sound of the same pitch, an antenna tuned to a particular frequency will resonate to a radio signal of the same frequency.

The Half Wave Dipole or Hertz Antenna

25 May 2009

The dipole antenna dates back to the early RF experiments of Heinrich Hertz in the late 19th century. It consists of a conductor that is broken in the center so that RF power can be applied to it. One can think of the half wave dipole as an open circuited transmission line that has been spread out, so that the transmission line can radiate a signal into space.

Digital Clock with MM5314N

25 May 2009

The digital clock of circuit, has as base one IC, the MM5314N, in which are contained all the circuits that need. The IC1 collaborates with six display of common anode, that are not critically as materials. You can select what dimension, you want it is enough you adapt pins their in the circuit. The display are drive by a system of polyplexis and are drive by thirteen transistors. For timing the circuit, is used the frequency of network 50HZ.

Tube Power Amplifier with EL34 - 35W

25 May 2009

It is a classic designing of final amplifier 35 W, with two EL34 in push-pull, from the Siemens and Halske.

USBGPS

Sun, 24 May 2009 15:43:16 UTC

[Florin] was given the task of repairing a GPS unit that wouldnt boot up. What he found was unfortunately a bad processor. Fortunately, he was able to make a project out of it.

3 channel RF remote control

21 May 2009

This is a 3 channel RF remote control project.The transmitter powered by 3V battery range about 10 m.This remote control I use PIC12F509 from Microchip which is a 8-pin single-chip microcontroller designed for low pin count applications with 1 K words flash memory and 41Byte SRAM and some special features such Power-saving Sleep mode,Wake-up from Sleep on pin change.

Infra-red Level Detector

21 May 2009

This circuit is useful in liquids level or proximity detection. It operates detecting the distance from the target by reflection of an infrared beam. It can safely detect the level of a liquid in a tank without any contact with the liquid itself.

PSP 3000 an Inside Look

Sat, 09 May 2009 17:44:29 UTC

The guys over at TechRestore take lots of technology apart to show us how it works. They made one of the best screen backgrounds that I have ever seen.

WhereAVR APRStracker

Fri, 08 May 2009 12:45:24 UTC

We posted a story about someone doing some APRS tracking recently. This is old news to some, but new fresh stuff for others. If you want to build your own tracker, heres a great writeup on one.

Guitar Hero macroboard

Sun, 03 May 2009 13:09:02 UTC

Doesnt look like the Guitar Hero hacks will be slowing up any time soon. In this recent installment, [Thunderhammer3000] built a board to record Guitar Hero songs.

IpodGPS

Mon, 27 Apr 2009 09:31:26 UTC

[Benjamin] was working for a GPS company called Nemerix about two years ago and decided to hack together this iPod accessory GPS unit. He is using an Atmel ATmega324 and a Nemerix GPS unit, though he says the GPS unit shouldnt matter.

Eeepc pictureframe

Wed, 15 Apr 2009 10:34:02 UTC

Weve all seen a million digital picture frames. Usually, people use an old outdated laptop or something. [Quinten] just sent in this one he made using an Eeepc 701.

Dell mini 9 3Ginstall

Mon, 13 Apr 2009 12:48:25 UTC

[Rob] sent in his Dell mini 9 3G install. He bought the Dell without the 3G option, but found that he really wanted it. He installed a mini pcie bracket and found a sim connector that matched the specs he needed.

Dell Adamoteardown

Fri, 10 Apr 2009 19:37:14 UTC

TechRepublic and iFixit partnered to teardown Dells flagship notebook, the Adamo. The Adamo is positioned to compete directly with Apples MacBook Air.

Commodore 64laptop

Mon, 06 Apr 2009 20:44:02 UTC

[Ben Heck] has just completed one of his more unique laptop game consoles. This time around its a Commodore 64, which hes been attempting since 2006.

AutonomousATV

Mon, 23 Mar 2009 19:07:21 UTC

A team at UNC Charlotte has been working on an autonomous vehicle to drag a cart that has sensing equipment. Starting with a stock Honda ATV, different systems were added to give a Renesas processor control of the ATV.

Dell Mini 9 OSXinstall

Sat, 21 Feb 2009 16:05:03 UTC

Installing OSX on commodity PC hardware has advanced a lot since the early days of OSx86 when Apple switched to Intel. With the advent of netbooks, a new target platform has emerged; one that doesnt have an official Apple equivalent.

Flickr images on a Nokia LCD

5 Sep 2008

LCDs are often used in microcontroller projects. Most used are these green character displays with two or more rows to display menus, status or debug messages. With mass production of mobile phones, color LCDs get that cheap, that they can be used as replacement.

Laser show for poor man

5 Sep 2008

Here is another useless but cool looking must build gadget for every romantic geek. Let me introduce PIC microcontroller based three axis laser spirograph.

Building your own ambient color lighting bars

5 Sep 2008

This instructable covers how to build, mount and control LED light bars to provide for full color ambient room lighting as well as ambilight style video effects.

Splitting the Atom - Inside the Eee PC 901

5 Sep 2008

Getting in is relatively easy, providing you know where to look. You will first need to remove the battery and take out all the screws on the underside (there should be 13 in total), including the one for the flap that hides the non-warranty voidable removable parts.

Pocket PC iPhone conversion

Wed, 12 Mar 2008 11:43:03 UTC

Call it superficial, but you can really help your Pocket PCs self esteem by giving it a face lift. Its still Windows Mobile on the inside, so most of your apps will look and function as before, but a few free downloads will get you home screen and dialpad themes, an iPhone-like contacts list, and the cool slide-to-unlock gizmo.

HOWTO download and watch YouTube videos on Windows Mobile

Wed, 12 Mar 2008 11:16:03 UTC

The web browser on Windows Mobile devices wont play YouTube videos, but you can still enjoy them on the go with the instructions on Pocket PC Thoughts: Anyone into watching YouTube videos knows it has always been pretty problematic to play YouTube videos on Windows Mobile.

Play Flash Lite 2.1 Content On Your Device

Wed, 12 Mar 2008 11:15:03 UTC

If you have an older Symbian or Windows Mobile device, it probably either came with support for Flash Lite 1, or no Flash support at all, whereas the newer devices are starting to be available with support for Flash Lite 2 content, which will allow developers to make use of more advanced programming features, not the least of which are functions.

Kindle Hacks

Wed, 12 Mar 2008 10:16:02 UTC

Igor Skochinsky has been doing some great reverse engineering on the Kindle ebook reader from Amazon. If youre not familiar with the device, the Kindle is a paperback-sized Linux-based ebook reader.