Laptop Death... Maybe???

Ok i have an old laptop maybe 5 or 4 years old. used to run well has 512mb ram and a dieing battery pack. it got a virus so i formated it and installed windows xp. everything was going fine but a week later the computer shut down randomly usually 3 to 5 times a day. sometimes it shuts down before the the laptop logo comes on. i just push the power then 2/3 seconds later then BAM it shuts down. is the computer dieing or was it the os install. any ideas

Topic by chrischavez   |  last reply


Safety, Electricity and Death

I came across this AC safety info and found it useful enough to share. Link: www.cdc.gov/niosh/docs/98-131/overview.html FTA: 1 mA Barely perceptible 16 mA Max current an average person can grasp and let go 20 mA Paralysis of respitory muscles 100 mA Ventricular fibrillation threshold 2 Amps Cardiac standstill and internal organ damage 15/20 Common fuse or breaker opens circuit I later found this DC info... Link: www.allaboutcircuits.com/vol_1/chpt_3/4.html FTA: "AC ... is 3 to 5 more dangerous than DC of the same voltage and amperage." Slight sensation felt at hands DC Men: 1.0mA, Women: 0.6mA 60 Hz AC Men: 0.4mA, Women: 0.3mA  ... Painful, but voluntary muscle control maintained DC Men: 62mA, Women: 41mA 60 Hz AC Men: 9mA, Women: 6mA ... "In industry, 30 volts is generally considered to be a conservative threshold value for dangerous voltage. The cautious person should regard any voltage above 30 as theratening, not relying on normal body resistance for protection against shock."

Topic by milsorgen   |  last reply


red ring of death?

How to fix the red ring of death on you're xbox 360

Question by chingon2013   |  last reply


blue screen of death?

My computer crashed and now when i reboot its just a black screen with the word microsoft with the running lines.Ihave tried system repair still no good.Idont want to loose information on my lap top .running vista?

Question by  


Death of the small portable TV?

I realized last night when the power went out during a  bad storm, that the move to digital TV has elimintaed my ability to watch the incoming weather on my portable TV.  I felt blind!  Is there a way to get receprtion on that small TV anymore? 

Topic by Ladywyngs   |  last reply


White screen of death on iphone 3g.

I have "rebooted", updated the software and connected to iTunes but nothing has worked. I called the phone and it went into voice mail. I heard the camera "click" and when I connect to iTunes it allowed me access to the pictures on the phone. Is there a solution of there that I may try before I bring it to the Apple store? Thanks.

Question by fdxeng   |  last reply


Watch out everyone, the worlds ending. Sorry about that.

Scientists hit with 'end of the world' legal challenge over Big Bang experimentSep 1 2008THE biggest scientific experiment in history has been hit by a last-minute legal challenge - amid fears it could cause the end of the world.Opponents of the Large Hadron Collidor claim the machine may create a mini-black hole that could tear the earth apart.The £4.4billion machine, the most expensive experiment in history, is due to be switched on at the European Nuclear Research Centre - CERN - in Geneva, Switzerland, in nine days' time. Those behind the project hope it will unlock the secrets of how the universe began by replicating the conditions of the Big Bang.The machine will smash pieces of atoms together at high speed and generate temperatures of more than a trillion degrees Celsius. The collisions will create temperatures 100,000 times hotter than the centre of the sun in a space a billion times smaller than a speck of dust.But opponents fear the worst. An application for an emergency injunction was rejected on Friday and now the case will continue under human rights laws.German chemist and academic Professor Otto Rossler, one of the project's opponents, said: "CERN has admitted mini black holes could be created when the particles collide - but they don't consider this a risk. "My calculations have shown it is quite plausible these little black holes survive and will grow exponentially and eat the planet from the inside."We do not believe the scientists at CERN are taking all the precautions they should in order to protect human life." Professor Rossler claims in the worst-case scenario, the Earth could be "sucked inside out" within four years of a mini black hole forming. He argues the research violates the right to life under the European Convention of Human Rights. The legal challenge is against the 20 countries, including the UK, behind the project.Scientists involved in the project have dismissed concerns as "absurd". Particle colliders have been used by scientists for over 30 years without any noticeable harm to the planet. This latest machine, however, is the largest and most powerful ever constructed. Built 300ft beneath the French-Swiss border, it will fire particles round its 17-mile circumference 11,245 times per second before smashing them into each other.The machine will be activated on September 10, although it will be several weeks before the first particles are collided. Scientists hope that, among the debris thrown off by these collisions, they will find the elusive Higgs boson thought to be responsible for giving every other particle its mass, or weight.The CERN facility faces a second lawsuit due to be heard tomorrow, filed by environmentalists in Hawaii. But a safety report published this year gave the project the all-clear. It said nature produces higher collisions than the collider is capable of when cosmic rays hit the planet.CERN spokesman James Gillies said: "The case contains the same arguments we have seen before. "We are now concentrating on firing the first beams around the collider and then on fine tuning it until we can get collisions - when the science will start."Source: Daily Record OnlineWhat do you think about, A) this amazing use of particle acceleration and B) the technically plausible but remarkably unlikely end of the world scenario it might create?

Topic by lifelong-newbie   |  last reply


xbox 360 elite red ring of death?

Does the red ring of death fix require more attention on the elite than the regular 360?

Question by allpro84   |  last reply


How do you fix the rsod (red screen of death) on a ps3? Answered

i turned on my ps3 one morning and a red screen came up right away. I searched it and it is called the red screen of death. anyone else that has asked a question like this has had replies that say buy a new one or that sucks. I want to know how to actually fix this problem. It says a serious error has occured in various languages. I have tried everything on the menu that pops up when you hold the power button down.  

Question by TOCO   |  last reply



Will the wrong kind of power supply kill the motherboard and every thing connected to it ....or just the motherboard ?

I wanted to upgrade my Dell Optiplex GX280 (only 6 months old) power supply from the 305 watt to a 400watt, so I can run a 7800 Gt graphics card for high end games. Well I bought one on ebay...when it arrived, the main connection to the mobo, don't know what it's called, only that it is about a inch and a half in width that snaps on to the mobo. Well it wasn't the same size as the original (about 4 pins shorter)...but I forced it on any way, because the seller said it was compatible with the GX280. When I tried to power up ....nothing works. I re-installed the original power supply...and still nothing works. So now I'm wondering if the memory sticks, HDD, and other stuff connected to the mobo are "fried" (dead) ...or is it just the motherboard itself that needs to be replaced. Or will I need to just buy a whole new desktop PC...and make the Optiplex just a bad memory and learning experience? Any help or advice will be appreciated ....write : ddavel544@gmail.com

Question by ddavel544   |  last reply


how to give my xbox the red ring of death?

Question by FZRR698   |  last reply


Mirror Paint? Answered

I am trying to make a death ray with a parabolic mirror. I have tried a mylar space blanket but it wasn't smooth/reflective enough to make a concentrated beam that burnt anthing. I was wondering if there was any such thing as mirror paint. by this I mean a highly reflective paint. If anybody knows about this or has any other reflective ideas I would apreciate it. Thanks.

Question by nurdee1   |  last reply


I followed the guide to fixing the RROD on the Xbox 360. (created by Dr.Proffessor_Jake_Biggs). NEED HELP ASAP!!

Once I reached the end and done the heat test, I proceeded to the following steps and the heat sinks got very hot quickly.   I plugged the fans in and began to tension the screws correctly to erase the red ring of death.  Upon powering up again, the heat sinks will no longer heat up at all.  Where do I go from here?? Hopefully someone can point me in the right direction.  The crazy thing is, I just repaired my friends xbox last night and it worked 10 percent BETTER than perfect.  But now I can't figure out what the deal is with mine!! Please don't tell me that I'm probably just screwed! lol?

Question by reaper 777 



xbox 360 red rings??

If someone finds a very good video on fixing the red rings can you leave a link k thanks

Question by awesomeness1O   |  last reply


About repairing the RROD on xbox 360's

Okay, I am thinking about getting me an xbox 360, but it is a bit over my budget so I am going to get a faulty one from ebay. But then when I look up some RROD (red ring of death) repair guides, I got suspicious about how you repair the xbox's, all  you just need to take it apart, replace the thermal paste between the heatsinks and the chips and put it all together. That just doesn't seem right... Does anyone have personal experience using this technique to repair their xbox 360?

Topic by Plasmana   |  last reply


how many Amps does a AA battery have? Answered

Ive been told that 50 milliAmps is enough to kill a person. when i toutch a 9V battery with my tongue, i dont die, so it means its less than 50 milliAmps?

Question by Owzcarde   |  last reply


how do u change ur nick name?

Question by LiMiT-L3sS   |  last reply


My Nintendo Wii has the black screen of death please help

As the title suggests my wii (4.3e) has a black screen of death after i installed priiloader and enabled a few hacks in the system menu nothing now works and any help would REALLY be appreciated.

Question by dan1897   |  last reply


How can I fix the blue screen of death ?

Recently I connected two ddr2 rams (1gb) into my ddr3 sockets with 2 sockets already having two ddr3 ram(2gb) . And when I turned pc on it said it has a problem and I should try to restart . I removed ddr2 ram and turned on my pc but whenever I turn it off or try to restart my pc it just ends up with "blue screen of death" .Anyone knows how can I fix that ? or is that even possible to fix ? Please! 

Question by FDelevingne   |  last reply




my xbox has a problem. can anyone help? Answered

The xbox freezes up as soon as i turn it on. now the red ring of death has occured. can anybody help me make the red ring go away and fix the freezing problem? please help.

Question by EncasedDeath   |  last reply


increasing wavelength?

Is it plausible to increase the wavelength of, say, infrared light? I have a 808 nm 1 watt laser and i am struggling with researching if it is plausible to do so, and if it is then how it would be accomplished?

Question by Nexoid   |  last reply



Any help on the green, yellow (or amber), and flashing red lights of death would be aces? Why, yes. It would indeed.

When My PS2 burnt out, I looked into it and figured it overheated. I never cleaned it so I wasn't suprised. However, that experience made me religiously clean my brand new 80gb PS3 (with backwards compatibility), which was a joint effort xmas present from my whole family and my girlfriend and her family.(organized by her of course). So this xmas I got three of the newest releases I've been wanting. After 2 weeks I finally get enough free time to play. I turn it on, complete the latest update, install the game, and when I go to play it...it turns off. I tried to turn it back on and just like the other 600 posts i read, the light turned green, quickly after that it turned yellow or amber,  the beeped a few times while turning to and flashing red indefinitely. Everytime I try again it does the same thing. Someone please help.

Question by Mister Wolf   |  last reply


Can you dig it?

Well Can you

Question by Klect960 


Tesla's teleforce machine?

Okay, it has been forever since i asked a question. SO, i was wondering if some one could explain Tesla's teleforce machine (a.k.a. Tesla's death ray machine). Also i was wondering where i could find the full schematics of Tesla's teleforce machine, all i can find is manly 2 pictures and a whole lot missing.

Question by Tobor 2.0   |  last reply


can you substitute a pn2222 transistor with a 2n2222?

There are some circuits i want to do and it calls for a pn2222 and i only have a 2n2222 transistors so can i substitute for them

Question by death defyer   |  last reply


How to fix blue screen? Answered

Hello I hope that all of you are fine. I recently bought a second hand HP Pavilion laptop from eBay… when I received it I came to know that there was a problem with the wifi reception… I intended it to repair myself… so I unscrewed the LCD and came to know that the connections for the wifi were broken, so I soldered them, while doing so small bead of molten soldering wore fell on the LCD, but only damaged the plastic protection and found no dead pixels when it was turned on after fixing it… the windows started up pretty good… got the wifi signals as well but after a minute or so… one or two pixel size dots appeared on the LCD and after that the blue screen appeared… I tried to restart the laptop again but the blue screen appeared every time restarted it. I tired to restore the laptop, fix the startup, also tried to run the safe mode, but everything was useless as I  got blue screen every time… the laptop manages to operate in safemode with command prompt only once and as I tried to restore the system the blue screen appeared again… further more it sometimes gets past the windows loading in the widows repair section but when it loads the resolution changes and I get a blue screen again… it also hanged while repairing setup for the windows was operating... So a lot of different hang ups… but 99% of the time I got blue screen on all the options available… I am attaching the blue screen that I usually get… it would be so nice of you if you could guide me and help me fix my computer. Please see the attached pic Kind Regards Raishikoh

Question by raishikoh   |  last reply


Is building a wormhole generator possible?

I have read an interesting patent on a "magnetic vortex wormhole generator"and I think it could work. Before you start discrediting and "debunking" this patent or idea check the patent out. http://www.scribd.com/doc/25112/Magnetic-Votrex-Wormhole-GeneratorPlease write constructive and helpful comments. Also if anyone happens to build one based on the patent and experiments with it successfully, make an instructable; share the information. I just want to know if its possible.

Question by    |  last reply


Does anyone have a broken ps3?

Hey everyone, does anyone have a broken ps3 console or a motherboard for one. I have a CECHL01. It has the red screen of death and I want to get a new motherboard for it. If it has the ylod that is fine. If it is a system that has the ylod I might be interested in that. I have a hdd for it. I know that most people on this site would be willing to fix their own ps3.  

Question by TOCO   |  last reply


TWIT.TV: Make Mag, Maker Faire, Boing Boing, etc discussed.

The first podcast of the week is the last word in tech. Join Leo Laporte, Patrick Norton, John C. Dvorak, and other tech luminaries in a roundtable discussion of the latest trends in high tech. Winner of "People's Choice Podcast" and "Best Technology Podcast" in the 2005 People's Choice Podcast Awards. Released every Sunday at midnight Pacific.The pod cast is at TWIT.TV - link - And the "death of.....(newspapers, radio, etc.)

Topic by Goodhart   |  last reply


Anybody know were I can get two or three old satelite dishes.?

I would like two or three of these. They don't have too be any bigger than two feet. The more I think about it the more I want some of these. I want to make a mirror death ray, A water collection system and a super ear microphone. Also if any body knows of some other large parobolic dish I am open to sugestions.

Question by nurdee1   |  last reply


How can I get data from my dead Galaxy Player 3.6? Answered

My Galaxy Player 3.6 died on me recently and I have some pictures and a little bit of other data I would like to extract from it. I believe the death had something to do with the power as it wasn't charging correctly before it died. I'm ok with taking it apart as I am getting a new tablet to replace it. Also, can I do anything with parts salvaged from it?

Question by metalshiflet   |  last reply


Invisible concrete cube

This concrete cube made by Daniel Franke and Markus Kison has the amazing ability to turn invisible. Thanks to eye-tracking and a video projector for each face of the cube, the cube has the view behind it projected onto its faces. The result is like looking through a glowing window instead of a cube. You can see the effect in the video. It's not entirely smooth yet, but a very cool idea. Augmented Reality Renders Concrete Block Invisible Related: Death Becomes Her Halloween Costume photo: Durchsehen, Exp. 01 (augmented perspective) by Markus Kison, on Flickr

Topic by fungus amungus   |  last reply


CFL AND DIRECT BOX QUESTION(s)?

This is a multi part question. 1. What normally fails on a CFL bulb? 2. If I scrap a good used transformer from a CFL will it work to build a direct box? I know it is pretty easy to buy a Jensen Trans or other brand new trans for a DI box but how many dead CFL bulbs do you see waiting to be reused or recycled? I would really like to reuse the tranny if possible. My understanding is that heat is causing a great number of the premature deaths in CFL bulbs. see images. Thanks AFF

Question by AFF   |  last reply


I need a hardware volume leveller/normalizer for analog audio from cable box to tv. (schematic or product)? Answered

Searching around I've found several shareware software programs - installing an extra computer for this task isn't an option. Ibles doesnt seem to have anything like this... I'm thinking an arduino, a sneaky sketch, and an lm-series stereo volume regulator. All the hardware I've seen dies a quick death - presumably the way of the electric car - too much lobbying from advertising industry to stop them hitting store shelves. Frankly, I think its beyond un-ethical. In my particular situation, its potentially dangerous.

Question by frollard   |  last reply


Indoor Thermometer - Check temp at home while at work

Hello! I sure hope this qualifies as a Tech category! I'm looking to build (or possibly buy) an indoor digital thermometer that transmits the temperature information to my computer over the internet. The goal is to be able to check the temperature of my house while I'm at work, or anyplace else with internet access. Do any of you know of a simple way to build this? Has it been done before? With temperatures here in Washington DC breaking records this week (over 100F) I'm worried about my pets health at home, and more worried that the a/c will go out while I'm away and I'd never know. This could result in the death of my pets, and I'd love to be able to be informed in time if something were to happen and the temperature rose suddenly (or dipped, in winter). Help in the right direction is greatly appreciated!

Topic by Kindlekat   |  last reply


Dimming Leds and Potentiometers

Looking for a formula; I have a 24v 1.7 amp power supply ( http://www.allelectronics.com/make-a-store/item/PS-2417/24VDC-1.7A-POWER-SUPPLY/1.html ) to light 2 - 24v led strips ( http://www.allelectronics.com/make-a-store/item/LBR-24/24-WHITE-LED-LIGHT-STRIP-24VDC/1.html ). I want to be able to dim the led's from full power to completely off, but don't know how to calculate what size of potentiometer would give me the right ratio for dimming. IE, I don't want the LEDs to be completely off when the pot is only halfway turned. The urls are links to the exact products I purchased. Also, the power supply seems kind of large, and I still have to enclose it, so if anybody knows of a better and cheap path to get 24v that involves a little less potential for death, I'm all ears. Thanks!

Topic by bctour7   |  last reply


RGB TV Output of Gameboy Color?

 I'm absolutely stumped by this. I have my gf playing my old gameboy color but the screen cover is pretty scratched up and I don't feel like peeling it off until I find something to buff the scratches out. I've nearly googled it to death and all I come up with is random websites selling gameboy advanced tv out adapters. I know this HAS to be possible as www.hackaday.com/2008/11/29/gameboy-color-on-an-led-matrix/ The guy says in his comments on the youtube page that he does IN fact have a real live gameboy color hooked up to the LED matrix. Yet he does not explain how he hooked it up, obviously he did it somehow. Does ANYONE have any bloody clue as to how this is done? I'm not afraid to do some soldering as I know that'll probably be required but really how hard can it be.

Topic by Punkguyta   |  last reply


What excellent examples in CAD of low drag coefficient pickup trucks exist that are available on the internet?

Vehicles have been designed to minimize the aerodynamic drag with notable success. Production candidate vehicles (such as Aptera, Twike, and Honda Insight) achieving drag coefficients of 0.25 down to 0.11. Solar Challenge vehicles have reached 0.07. Nose cone and fastback upper and sealed or faired lower body designs can achieve significant reductions in drag, and are worth attention. I am attempting to optimize a design for pickup trucks and cross-over utility (CUV) vehicles that are based on the same basic chassis design. Can anyone contribute designs, examples, or sources of information on optimized pickup design? BTW, I am simultaneously searching for a safe design that has the vehicle center of gravity at or below the axle height, as it should be to prevent roll-over accidents. Risk of injury and death are significantly higher in pickup trucks and CUVs than cars, and now pickups and CUVs account for more than 50% of new vehicle sales. This tragic fact needs to be reversed with safer design.

Question by rkh986   |  last reply


UV Screen Comments

Hi all, I'd appreciate some feedback on my UV screen project. As a relatively new blog I have effectively zero traffic there, so I thought I'd ask for some feedback here. The goal of the project is to provide an easy way of converting a record player to a UV screen (as pictured). The idea is to replicate the appearance "Death calls the tune" project by Lab Binaer, although I'm avoiding using an arduino in an attempt to keep costs down. The ultimate goal is an instructable, but before that stage I hope to work a bit more on the available functionality (currently it will just write text to the screen, each phrase being written alternately in one of three positions). Here are some planned but as-yet unimplemented short term goals; Investigate replacing the serial connection with V-USB New modes (Bar graph output , Seismograph style output, Spiral text) New stylus using SMD LEDs (currently uses 5mil) Offload all settings to XML file Slow rotor speed further I'd be appreciative if you could offer ideas for new functionality, uses, modifications, any thoughts or comments. Thanks, Drew

Topic by andy   |  last reply


My computer locks up with an audio loop, help! Answered

I recently upgraded my hardware (I put in two 8600 GT's in SLI, and an E6850, both used), and shortly after, my games began to lock up. Whatever was on the screen would stay there, and the last second of audio would loop. The only way to get out of it was a hard reset. Then I noticed when I unplugged my other two hard drives, games wouldn't freeze up anymore. So I replaced my 400 watt PSU with a 550 watt, with 50 amps on the 12 volt rails. Everything seemed to clear up, until today, when I was browsing Newegg and listening to Audioslave (not very resource intensive), and it locked up with the same symptoms for no apparent reason. I'm getting worried now, as I shelled out 75 bucks for a decent PSU and the same stuff is happening. My CPU idles in the upper 30's to lower 40's, and peaks at 60 C in games. I know it's a bit toasty, but it shouldn't be hot enough to cause this sort of problem, right? So if anyone has any ideas about what's going on, any help is appreciated.

Question by RelaxedSoup   |  last reply


Netboot server will not allow me to pull images nor save client data to raid storage on server, does anyone know why?

I have a Mac OS x Server 10.5.6, dual 2.3GHz PowerPC G5 8 GB Ram, i have setup server admin on this machine however, I am wanting to use this for specifically as my netboot server, i have created the images and when i put them on this devices internal hardrive, everything works just fine but when i move them over to the raid storage i have set up, Server Admin recognizes the images and allows me to enable them and also make them the default images however when i actually try to netboot a machine, i get the Grey Screen of Death, I see the globe spin shortly then the grey screen populates the screen and i see a bunch of different languages on the machine then i have to reboot to get rid of this screen... How do i make my netboot server be able to serve these images and save the client data to the raid storage???

Question by enixw 


Laptop LCD Cold Cathode re-use

So recently, an old laptop of mine died. It was an old dinosaur of a laptop, slowly running down the remaining years of its life. Then it died. So sad. To honor its death I dismantled it. I got an interesting motherboard, some decent speakers, a 5gb harddrive along with a floppy and disk drive. What really interested me the most though is the LCD screen. At first I hoped that I could re-used the screen as a tertiary screen for my desktop, but later I realized the near-impossibility of this task and gave it up. Instead I chose to take the screen apart for its cold cathode lamp. It's almost 12 inches in length, and very thin. Before the motherboard died, the LCD back light was still working. So I wanted to take it out, along with its inverter, to attempt to re-use it. Soon after doing this I saw a problem in my plans: the input of the inverter is a whopping nine wires. This is a bit more than I'm used to dealing with for power supplies. I was wondering if you guys knew any way that I could go around this? At request I can most more pictures and model number of the inverter in case you can't read it in the photo. tl;dr - Cold cathode inverter in picture. output is two wires, input 9 wires. How do I use this

Topic by Pixel_Master 


I'm having unknown issues getting an ultrasonic cleaner hack to function properly - send an electrical engineer.

I'm hacking a cheap ultrasonic cleaner to run for an indefinite period of time instead of 8 minutes max. It works well enough with a switch soldered directly onto the main board, but I intend to leave it for hours and I can't have the thing burning out so I've got an attiny85 running as a simple timer (can't get a 555 running accurately for the periods I need). The ultrasonic transducer is controlled through a transistor and relay which I'm using to my advantage. I've got it hooked up to the built in 5v supply through a switch on the ground and flip the attiny pin tied to the transistor high. Really it's all tied  right to the brain board connector for convenience. It only sort of works. I've tested the attiny to death so I know the code works, it's just the arduino blink program with numbers changed. When I flip the switch, it supplies power to the attiny and I hear a transformer buzz and the xducer fails to turn on. The screen doesn't dim any which I'd expect from being underpowered. When I hit the machine's on button it does turn on and when I hit the off button or let the time run out the machine stays on (small success). Once the timer cycles though it won't turn back on, which functionally makes it like I've added a 25 minute timer. I suspect it may be something to do with not enough current to get the transistor started, but enough to keep it conducting. Perhaps if I connect the attiny directly to the base of the transistor instead of through the 10K resistor on the main board it'll work properly. Then again I know basically nothing about what I'm doing and should feel lucky that I managed to hack it this far without electrocuting myself. Update: It get's weirder. I stuck a 20k pot on the output of the attiny and hooked it directly onto the base of the transistor, bypassing a 10k resistor, and it runs constantly regardless of the inputs. I hook it up before the resistor and the behavior remains as before.

Question by The Ideanator   |  last reply


How can I make a thermoelectric ipod charger using a mintyboost, a peltier, and lots of heat?

I recently found a article about a Japanese company creating a camp-fire ipod/phone charger. http://tes-ne.com/PDF/epan.pdf (not spam) It appears to use a peltier thermoelectric hooked up in reverse embedded in the layers of the bottom of the pot. And the black control box is either a joule thief or a circuit similar to a mintyboost. As it is so tiny I can not imagine it has a 7805 5v voltage regulator or other similar overly simple circuit. I thought why should I spend nearly $300 on something I can make for $10-$50? I have also noticed there is a thermoelectric powered lamp on this site. My question is this, does anyone see there being an issue if I modify the thermoelectric lamp project and instead hook it upto a mintyboost to charge a couple of rechargeable batteries. I am not sure what sort of amps lets say a 100w 12v peltier would put out when reversed. I have found one for $8.09 here. And if I did attempt this (and document it for an instructables), what might I need to do to modify the mintyboost to directly charge from the peltier? I know only very basic electronics, such as what every component on a mintyboost does. So this is basically a project to learn more about electronics. Should I simply follow a solar power mintyboost tutorial? I have a couple of ideas of how to create the temperature difference for my needs. I was thinking of buying a pack of sterno cans, so I can quickly produce the heat needed and charge my all-important ipod touch in an emergency "holy crap the entire electric grid was fried by a solar flare and I won't be able to charge it ever again" situation. And also experimenting with producing enough heat from direct sunlight using black materials and a "hotbox" (this method will come later as it takes more experimenting). Side note: This is not my only emergency ipod charging project I am putting together. I am also cannibalizing some garden solar chargers and their joulel thieves, but it's been done to death, and a thermoelectric charger is so much cooler is it not? .. or hotter..

Question by stakahashi 


What fun project can I do with around 300 Liconix high powered laser lenses Collimator ,optic lenses, Optic Filter..etc

Old Neighbor of mine was a Senior Laser Technician for Liconix about 10-15 years ago probably still works there. Anyhow he always would always be working on lasers Argon, Helium, Krypton, and his classic cars and overtime his family became sort of family to me. I would watch in awe as he worked trying to learn as much as possible. So I would help him work on his cars or Fix a PC for him here and there or take care of his son. I was only 13 at the time, but he was nice enough to give me a couple lasers for helping that his work was going to discard, some helium, Argon. I had to give the Argon back though because he sold his house and was moving to a better neighborhood. Plus it kept blowing the fuses in my parents'house from the power load. PGE was getting angry cause for some reason the street light sensors in my neighborhood were somehow getting burned out all the time *shrug* I don't know how and had to keep repairing them. Before he left he gave me some extra tubes for when my others eventually died. Most helium and tons of lenses of various sizes which are all tucked away in a box. In my dad's Garage of Death yeah he's a pack rat. But I found a couple of the lenses when I came to visit that I had sitting around the house and thought to myself time to dig the box out, so I'm slowly digging my way to it. Just don't know what fun project to do with all of it other than making a Laser Beam of doom or putting them on Sharks with fricken laser beams attached to their heads I also have a Fresnel lens from a 45 inch rear projection TV. Any Idea what fun project I should make with all of it ? I bet it would make one hell of a laser pointer for my Celestron GPS-GOTO C11 Telescope haha.Thanks for any idea's.

Question by Laser_PewPew   |  last reply