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K'nex replacements? Answered

Could you replace the tubing on the Big Ball Factory with roller coaster tubing?

Question by TwistedParadox    |  last reply


BF494 Replacement

Hi I am looking for a replacement for a BF494. I have searched the web and I believe a 2n222 would work. Thank you! I am making an FM radio receiver by the way the schem. is up above.

Topic by ethanl2    |  last reply


Replacing capacitors...?

I need to replace three 470 uF 25V caps but I was wondering if using 1000 uF 25V caps would work or not?

Question by gr33ko    |  last reply


Replacement for this FET?

Okay... so long story short, i have this little transistor that i need the non-surface mounted version of. The part # is PHD3055E. I can only find the datasheet, And can't find it anywhere for sale. So i thought i'd come here and ask, Any ideas on what could replace this? Here's the datasheet in the google docs viewer. http://docs.google.com/viewer?a=v&q;=cache:huahl6K3DFkJ:www.datasheetcatalog.org/datasheet/philips/PHP_PHD3055E-06.pdf+PHD3055E&hl;=en≷=us&pid;=bl&srcid;=ADGEESg3724yaKjv666t2rqjyyXVjvQp5HpfKIXr3723cJt4Y_bqPXypg_oySVo3Q9eOgiMBHIG4zDYsHVk73N0whYfHI3PTtv8kTeA_FzIxSWhNnkzgniEWSIQLls8aeQVgmyBDhZyI&sig;=AHIEtbRm4XdPQEc-wzTiPkqsGwSO1qblnA

Question by ReCreate  


Arduino replacement?

Hey Guys, I was wondering if I could make an arduino shield for programming attiny chips then can I use them instead of Arduinos as they are also micro controllers. Thanks in advance. -Prickly Potato

Question by The Prickly Potato    |  last reply


resistor replacement

 I have a small model battery charger which has a resistor burnt out . output is 7.5  volts  according to the label which sounds right as pack is 7.4volts.  measured voltage from transformer  is 15 volts Can anyone tel me what value resistor I need to drop the  voltage  to 7,5 v or whatever the actual out put shoul be. thanks people, john mantova

Topic by john mantova    |  last reply


LEDs as a replacement?

I've been thinking, which, for me is strange. What's stranger, i've been thinking about saving the planet. I don't believe that global warming is solely the fault of man and his machines, nor do i believe that we're all going to fry in a ten-thousand year summer, but that's not the point of this forum, and i'd appreciate no comments labelling me as a communist, or a planet-hater. What i had in mind is a new system of lighting. Say i took some LEDs (lets say 16) and connected them in paralell, and attatched them to the appropriate power source, would they be more or less efficient than a tungsten filament lamp? As for aesthetic considerations, to simulate natural sunlight during winter months, one could add blue or yellow LEDs to tune the shade of the light. Would this idea be more efficient than the lights we have? (i avoided mentioning those energy-efficient lights because they're not really that efficient, and give crap light.)

Topic by Vendigroth    |  last reply


Something to replace a transformer? Answered

Hi everyone,I just want to know if there's anything that could replace a step-down transformer i.e,Step down 220 volts(AC) to 5 volts(DC).I want a thumb nail sized transformer for my purpose but its hard to get,so if there;s something more compact and can replace the transformer,things would move on awesome!

Question by Adarsh_tronix    |  last reply


Replacing IC's with components

It it possible to use simple components, arranged properly, in order to replicate the use of a simple IC, such as the 555 or LM386? If so, where could I find diagrams of the internal electronics? Google has turned up nothing so far... Thanks!

Topic by jeffconnelly    |  last reply


Point Stick Replacement...? Answered

Well, got an old Dell Inspiron 8600 and if you've read any of my other questions  you know all about it and its problems. Anyway... the cover for the point stick (mouse thing in the center of the keyboard) needs to be replaced, but this being my first laptop, I'm not quite sure how to do it. Personally I just want to pull it off with a some pliers and jam a new one on, but I don't want to break it either.... so I'm exercising alittle caution by asking first.... is there a specific way to do it, or is my way just about right? Thanks

Question by transistorguy    |  last reply


Replacing Window sills Answered

Is there a way to replace windowsills without taking out the windows

Question by vtcruise    |  last reply


Replacing rivets in jeans

My wife recently replaced pockets in some jeans. It would have much easier if we could have removed the rivets and then replaced them (or similar ones). Anyone know how to do that ?

Topic by johncar    |  last reply


Help for Replacement capacitor ? Answered

250v185j cl21 capacitor  burned from  old portable rechargeable fan what can i do.. pls help me for  replacement capacitor in india

Question by RaviT120    |  last reply


LG vu replacement?

Today I went into the At&t store to see if I could get my broken lg vu replaced.  They said that the Lg vu was discuntinued, and I would get a samsung phone.  Does anyone know what phone this might be?

Question by simplicity is key    |  last reply


Replacing a garbage disposal?

Our In-Sinkerator disposal is shot (15 years old) and I want to place it with the same model. Is this something I'd be better off having a plumber do? I'm pretty handy myself.

Question by skarakozia    |  last reply


Finally! A Knex Replacement!

I thought this was so hilarious I had to share it. I hope it's not considered too Non-PC for the forum.

Topic by LasVegas    |  last reply


Motherboard replacement capacitor??

I have an Asus M3A79-T Deluxe motherboard I recovered, and one of the capacitors looks to be ripped out of place. Does anyone know where I can buy or find the correct replacement capacitor? I have identified which capacitor it is I just am lost on as to where I can get another one. It has this on the capacitor: Some obscure F in between two lines 89He 101 16

Question by XP1    |  last reply


AA Battery replacement

Hi, So I have a AA battery pack inverter for some EL wire, and I was wondering if it was possible to replace the AA battery's with a lithium Ion battery to reduce its size. What kind of voltage should I look for/do I need to take into account amperage?

Topic by Fozzibehr    |  last reply


Needing a Replacement Motor

I have a turn table with a motor that has died.It is supposed to be able to rotate 120kg, but its a teeny motor and doesn't work anymore.A. How can I remove it as it has little rivet/screws that are permanent.B. Where can I get a motor replacement that is tougher andhas more ooomphThanks

Question by holliebellle    |  last reply


Replacing or renewing drywall

My AC Return/Supply is in my garage and appears to have some cheesy work done by the construction workers when they installed it, keep in mind this house is 10+ years old. I was hoping to replace and re-install some new drywall and was hoping for some recommendations on how to  approach this situation. See photos for details.

Topic by bprins    |  last reply


Microsoft's Vista Replacement

Apparently Microsoft has found that Vista was a bad idea and so is producing a replacement which is said to be coming out in 2009.So if we put in Microsoft's usual lateness with release it will be 2010 before anything appears.Edit: Its called Windows 7 and wikipedia has an article on it.http://en.wikipedia.org/wiki/Windows_7

Topic by davidturner666    |  last reply


replace battery with capacitor

Hello, I have a old hair clipper.  It has a rechargeable battery in it, which does not charge very well. I opened up the clipper and it has a single battery. It reads d-2/3a700 mAh 2.4 v. What do I need to do to replace with a capacitor?  Like resistors and such. If I wanted to get it to charge quick.  And use it quick. thanks

Topic by gregdove    |  last reply


How to replace a potentiometer?

There is a potentiometer on my $500+ vintage guitar pedal that i recently broke off. Any suggestions to glueing it or figuring out a way to put it back on? The knob is the only part that is off and i still have the knob.

Question by octopuscabbage    |  last reply


Laptop LCD replacement?

. I was wondering if anyone knows a supplier for a FFC converter/adapter so I can replace a viao laptop LCD with an HP one I have on hand?  I'm trying to use on hand parts to build a diy lcd projector, and thee vaio lcd has serious issues that reduce it's usable screen real estate, IE, dead pixels, lines running top to bottom...  The HP just has a broken backlight, but it's motherboard is trashed. 

Question by JCO72  


Replacing led with mouse? Answered

I won a  mouse on ebay for $0.01. now i am annoyed with the red led due to the mouse transparency. i want to know if i can swap the red led with an infrared led just to get rid of the red light and still has the same performance By the way. there was another blue led in it that i chopped out without hesitation.

Question by ARJOON    |  last reply


Replacing laptop key

Hi, I have what can only be described as a "no-name" laptop sitting in the bottom of a drawer. Among other things it has a missing "G" key. The problem is I have absolutely no clue how to replace the key - I'm not going to pay for a whole new keyboard and the key + "springy bit" is long since gone. The only branding I can find is "Clevo M300N". I was hoping to buy a broken laptop and cannibalise it (there are other hardware issues, but the keyboard is driving me nuts) Can anyone give me a shove in the right direction here? (Sorry for rambling) Edit: UPDATE - I found the key, all I need now is some kind of spring or membrane to fix it right up!

Topic by voltagex    |  last reply


Variable Capacitor Replacement?

Do you think it would be possible to substitute a variable resistor and a normal capacitor for a variable capacitor? The way I figure it is that a variable capacitor is supposed to adjust how fast said capacitor charges and discharges, wouldn't a variable resistor and a normal capacitor also function like this? I'm working on an idea for a small am radio, and looking to substitute these parts. Could it work? Thanks

Question by transistorguy    |  last reply


Replacing the 2N3904 with an SCR

So i made a laser alarm system some time back, it worked good but had one fault, more like a limitation. it made the buzzer ''buzz'' only when the laser was interrupted and the buzzer turned off when the laser was allowed to hit the photo sensor again. i wanted it to stay on until turned off by a switch. someone suggested something called a monostable flip flop but i had no idea what it even meant, then i saw something called silicon controlled rectifier or a thyristor, but i also learned that they have to be made using a pnp and npn transistor, what i cant understand is what transistors should i use to replace the npn transistor on my circuit, the tansistor on my cicuit is 2n3904, input voltage is 5v

Question by walee    |  last reply


replacing AA's with lithium?

 Hey I have a cheap camcorder that runs on AA's but I want to put it on a lithium battery. What I want to use is just the standard battery out of an old phone 3.2v, I'd like to use these because I have a huge surplus of them. I have pretty much no knowledge of electrical circuits and so I need of bit of help. I know two AA's is 3v and any lithium battery is 3.2v, how could I step the battery down to 3v?

Topic by problems    |  last reply


Woodworking: Router Replacement?

The situation:I (will) have a disc of plywood roughly 20cm across. I need to cut a spiral notch in the ply, from edge to centre, around 3mm wide, so that I can hold a spiral of flexible ply in place and close off the end of the spiral at the same time.The perfect tool for the job is, of course, a router.The problem:I don't have a router.Short of buying a router just for this one job, what can I do to cut the notch?Plus:I've been saying "plywood" - is there another material that can be shaped the same way?

Topic by Kiteman    |  last reply


Replacement minibike engine? Answered

I have a 2006 Mini Baja Minibike(http://www.bajamotorsports.com/categories/minibikes/products/WR65_baja-warrior-mini-bike) with more than a few problems. As of now, it won't even start, and I can't find the problem. I've cleaned anywhere that fuel goes, air filter, exhaust, and adjusted the carb,  it still doesn't start. When it was running, it didn't even idle. So I'm wondering, would an engine swap with this: http://www.harborfreight.com/engines-generators/gas-engines/212-cc-ohv-horizontal-shaft-gas-engine-epa-69730.html engine work? It seems almost identical; but I"m not sure.

Question by The Dark Lord    |  last reply


Replacement of function generator?

Sorry earlier i posted reverse of that...i saw a video on utube a man producing magnetic flux from dc current (conveted to AC with help of dc motor)..how that can be done What i want to stay is you hava a 9v battery a 5v dc motor and a capacitor ow can u produce magnetic flux? without doing any  implicit changes i mean disturbing the motors etc etc(internally)

Question by jatinbatra    |  last reply


Replace DPDT switch with relay

Hi there, I'm currently using a DPDT switch to toggle between power sources (gray dots) I'd like to replace this with a relay, I've added blue dots to my drawing to show (how I think) that should look. Is this correct? My main concern is if I should take the coil resistance into account. What kind of relay would you recommend? Would any 12V 2A relay work? Kind regards, Niellles P.s. the 560 ohm resistor is on the other side of the led...

Question by Niellles    |  last reply


How to replace an SMD inductor? Answered

I have an 2gen Ipod shuffle which I burnt. Now after a long while I found that an inductor cas destroyed. How can I find it's value?or Can I put a jumper instead?

Question by theVader75    |  last reply


Replacing Convergence STK's on an HDTV.

If someone can find me some information on how to track down the location of my bad STK's on a projection HDTV mainboard, or any useful information I will create an Instructable with good pictures of my procedure of repairing the convergence issue on my projection HDTV. Thanks!

Topic by lonerayven  


3D printing replacement parts? Answered

Recently one of the plastic clips that connect the strap to the mask for my CPAP machine broke.  They sell replacement clips for the heargear ( 8 bucks for 2 clips).  My question is would it be cost effective to get replacement clips 3D printed, or am I better off just buying the replacement clips?

Question by Lorddrake    |  last reply


Replace Ipod 30G battery ?

Question by g1290naka    |  last reply


capacitor based battery replacement

I was wandering how big does a normal capacitor have to be to replace a AAA battery?

Topic by clasic_traveller_diehard    |  last reply


Replace calculator ink roller?

How to remove and replace ink roller in Sharp 1197S desk printing calculator

Question by Julia Anne  


Replacing capacitors with different rating?

Hi! I am trying to repair a computer monitor....it has 2 capacitors that are blown. I have a replacement for the first one, but not for the second one.... My question: On the capacitor it says 330μF 25V, can I replace it with another type of capacitor? Wich number is important, the "μF" or the "V"?

Question by Fypsigon  


Replacing capacitors with different rating? Answered

Hi! I am trying to repair a computer monitor....it has 2 capacitors that are blown. I have a replacement for the first one, but not for the second one.... My question: On the capacitor it says 330μF 25V, can I replace it with another type of capacitor? Wich number is important, the "μF" or the "V"?

Question by Fypsigon    |  last reply


Replace broken appliance handle

The plastic handle on my ancient upright freezer broke.  The manufacturer no longer makes the part.  The screw holes on the door are 9 1/4" apart.  What is the easiest way to make a replacement handle? 

Topic by MaryE73    |  last reply


Replacement electric razor foil

Does anybody know an inexpensive way to replace the surface foil on an electric razor? I think it's called foil anyway; it's the metal part that contacts the skin and is a mesh of small holes for beard hair to pass through. The raw foil stock must be relatively cheap to fabricate; maybe there is a way to get a sheet of it and put it on the original frame from the shaver. Most replacements are almost the price of a whole new shaver. And I haven't even found a replacement for my modified, ancient Braun system 123. After the shaver died I resurrected it and made it solar powered by tearing out the charge circuitry and batteries and replacing them with two batteries and a diode that plugs into a small solar panel from a garden light. This worked perfectly for years until the foil wore through last week.

Question by snotty    |  last reply


Seaweed/Nori Replacement for Sushi? Answered

Hello all! I just wanted to see what sort of foods i could replace the nori or seaweed sheets in sushi. Nori never sits well with me and give me terrible headaches as well as stomachaches, probably to do with the high salt content but that is just speculation. I love sushi, but it would be soooo much better if I could replace the nori with something that wont wreck my evening. Any thoughts?

Question by Focker    |  last reply


Replacing LEDs on a LED fan? Answered

If the LEDs are the same voltage, can i just cut the wires on the LED fan, and just simply re-solder the new LEDs onto the wires? I have been looking at several Instructables about replacing the LEDs on a fan, and they all have complicated re-wiring ideas..Can't you just simply replace the LEDs with the news ones?

Question by ramroids55    |  last reply


Replace backlight in LCD monitor?

I have an LCD monitor that I need to get the backlight working.  I was told that this is the place to be to get advice.

Question by dejavuman    |  last reply


how to replace posts on a pergola?

We are fixing up our old pergola and need to replace the posts, it is quite high so the posts are long and I have dug out the holes that the posts stand in and found it was just soil and at the base of the post there is some screening or crushed rock. Where do I go from here???

Question    |  last reply


Wii laser replacement help?

I have succesfully replaced the laser in my wii... sort of. When I put a disc in to try, the wii could read it but once i clicked "play", it would sit there and make an odd sort of clicking noise like something was trying to move but couldn't. Earlier when putting the disc drive back into the wii, a spring a little less than a centimeter popped out but I ahve no idea where it came from. Could this be the problem? And if so, where does it go?

Question by airsofter1    |  last reply


how to replace calking in bathtub?

Bathtub has got old dried calking ... mold comes back and water may be getting behind tiles around bathtub.

Question by Pam Carboni    |  last reply


Replacement for black wheels on handle

I decided to make a comfort handle for my TNKIT round 2 entry, but I don't have any of those black wheels. I discovered you could do the same thing with green/black knex knobs. I have about 5 of these, and they make really comfy handles.

Topic by DJ Radio    |  last reply