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Using used capacitors? Answered

I have a Bose amp to fix (car), which in this case means changing out the electrolytic capacitors, as bose used a bunch of not quite sealed ones way back when. So the question is: can I just use the ones I can salvage from all the various boards I've collected, or do they need to be the same brand/grade whatever? I know about polarity and rating (i can reed!?) and can solder/desolder pretty well. I know that there may be other prob's, though the capacitor issue was well known & documented on the web. Thanks to all who help out.

Question by Fixerdad    |  last reply


Use for rulers

I have five wooden 12 inch ruler. I used them in a project and don't need them any more. Does anyone have any ideas on what I can do? I don't want to throw them away. That would be a waste of $2.00. L: 12" W:1" H:~1/4"

Topic by ry25920    |  last reply


Using GoogleSketchup

Hi I'am new to Sketchup Does anyone know where to get a tutorial or have any tips for Sketchup????

Topic by Mattrox    |  last reply


Uses for waterbottles?

What are other things you use water bottles for that doesn't include, bottle rockets, or simply re-using the bottle?

Topic by Rock Soldier    |  last reply


Most Useful

I was just curious what tools or techniques folks found most useful in their projects. For me it is the Dremel and epoxy.

Topic by RadBear    |  last reply


Only in US ?

If I win a "3323S Talent sewing machine" , what was happened my gift ? Is this SINGER also ? - I am not in US -

Topic by farzadbayan    |  last reply


Useful tools

Cheap, cordless drills are amazing tools. Take one apart and attach a speed controller, you got a motor for a robot. Also, they have good high torque motors that can be used for all sorts of things. A $50 RC transmitter and a receiver make good remote uses, such as remote detonation. More useful tools are pneumatic cannons. I've used them from pressure testing to damage testing. WHat are your useful, unconventional tools?

Topic by starwing123    |  last reply


Adapters to use?

Hi i was instructed to use 5v 150ma power supply, for a device i want to power but i dont have that particular adapter. Can i use an 5v 2A adapter for the device. Is it safe to use this adapter?????????

Question by DeenoH    |  last reply


Used alternator

I went to a salvage yard and got a used alternator . My kids dad is freaking out on me because, he says I got screwed. Apparently there should be a bolt that came with the used alternator that is used to hook up the positive wire on the alternator. Is this trie?

Question by AngieC78    |  last reply


When using?

When using #6 plastic for shrinky dinking, can you use markers other than sharpies (like highlighters)to color the plastic?

Question    |  last reply


what is this used for? Answered

The know on top turns the 2 blades on the inside

Question by edkrauss    |  last reply


what is this used for? Answered

My dvd drive is sticking, and i was wondering if it could be getting stuck on that thing? if i removed that would it help? thanks

Question by matstermind    |  last reply


Using an optocoupler ? Answered

Hi i got a few opocouplers , MOC3023 I read the data sheet and it says that the input voltage for the control side is about 1.2v I want to use it with an arduino uno , any idea how to reduce the voltage from 5v to 1.2v? here is the link for the data sheet http://www.fairchildsemi.com/ds/MO/MOC3023M.pdf Thank you in advance Aki

Question by akinich    |  last reply


Used Camera

I just got a Minolta XG-M Its a little dirty but works fine, is there anything I should check for. Also what type of external shutter thing would it use? It came with: Body Kit lens 50mm 1.4/f Extra lens 35-70mm 3.5/f w/ Macro 1:4 1:7 UV[0] Skylight[1B] Any tips for cleaning I already cleaned the lenses with a micro-fiber cloth but the mirror and body is dirty. Also is there anyway I could get a manual

Topic by acer73    |  last reply


Moving to the US? Answered

Hey there.  After I have *hopefully* gone to uni and came out the other side with a degree I am considering moving out to the USA, probably to or at least to somewhere near San Diego. Nothing is set in stone for now so any suggestions on other places would also be helpful. But my main problem is that I have started to grow some plants back in Britain and don't particularly like the thought of just leaving them, so what are the laws on bringing plants with me? I know they are just plants but it's all the time I've put into them and to be honest, they're the first few plants I haven't killed. Any tips or stories of emigrating to the US would be great. As I said, this is just a thought, but I need to know more about how to go about moving there and what happens before I can truly decide. Thanks for your help :) Tom

Question by Thomas9666    |  last reply


Moving to the US? Answered

Hey everyone. I'm rather young, but I'm trying to plan myself a future. I've though about being a programmer(I'm VERY good with both software and hardware, better than anyone else I know at my age) but I've decided wasting my entire life sitting in front of a monitor isn't for me. I want something more active, something that won't get be bored. I'm into parkour recently, and I've always loved martial arts and knives. I thought if it's possible for me to develop a military career. I live in Israel but I really hate this place(the law is very tight and sensitive about whatever can cause harm. Knives are illegal to carry, even tear gas and pepper spray draw police attention) so I want to move to the US. My English is very good, but I heard it's hard to get there. Other than that I though about developing a military career at the US army. I might change my mind, but I just wanna know how much of my plan is possible for now. Once I turn 18 I have to serve at the military for 3 years, then once I'm 21 I wanna move to the US. Once I get there I wanna sign up to the army immediately. I'm not even sure I need a house as the army provides all I need, so I can basically live there. I would like to serve at rather high-risk force(snipers, green berets, etc) for as long as I can and then still work for the army at a more passive job, such as engineering, or research and development. I know it might sound weird and stuff, but I really wanna be a soldier. Please tell me if my plan is possible, comment or correct it. Thanks, Mike.

Question by netbus    |  last reply


Image use from sites such as Pixabay, for example? Answered

I have seen many folks ask similar questions, but I wanted to be absolutely sure about this before starting my first instructable. Can you use images from sites such as Pixabay? For those of you who are unfamiliar, Pixabay is a great site to pick up photos that are free for commercial use with no attribution required. I imagine this is 100% okay, but I wanted quick confirmation just to be sure. Thanks in advance for your response!  

Question by Sharpest32    |  last reply


These numbers are just crazy!

I was looking at one of many websites I go to daily and found this really cool picture. It (the first picture) is of 8,000 42-gallon oil barrels. Which is the amount of oil consumed in the United States every two minutes. Crazy, huh?The second picture is the first one zoomed to see the detail at actual print size.There are more things like this here, and you will be amazed at just how much we use in such a small amount of time. Well it isn't just stuff we use, but most of it is.I never would have thought the United States would use 2 million plastic bottles every five minutes.

Topic by Sunbanks    |  last reply


I have the CCD sensor from an old Sony Handycam (Sony DCR-HC36), What can I do with it?

Can I somehow mod it so that I can use it with a telescope? (for lunar and planetary photos) I have attached an image of the sensor.

Question by mikewest922    |  last reply


how to see my posted instructables in google??

How can i show to others my instructables

Question by ayannirman    |  last reply


how can i remodify old video Casette Player?

I ve old video casette playerof lg company in good working condition. suggest me how can i get rid of this. because now the technology changed and i ve dvd and laptop to play videos?

Question by pvs1    |  last reply


Recycling Soda Bottles Experiments

Test 1: heat gun, "high setting"  Plastic Coke bottle SOFTENS + shrinks                                                                  -  at about 250F * Test 2: Heat gun " low setting** " Plastic coke bottle MELTS enough to  make gooey threads , and bubbles   -   at 450 to 500 F *according to a cheapy harborfreight laser thermometer. Not sure just how accurate it is in the 250  to 500F range. This device seems to read 5 degrees high at the 100F range. ** ironically, the temp is higher on the "low" setting. When the fan is moving less air, that air is hotter. One of the tricks, I imagine, might be to fully melt the plastic without burning it.   Suggestions welcome. Further results will follow.

Topic by Toga_Dan    |  last reply


Make US websites think your in the US?

I have a problem, im in South Korea but i would like to watch King of the Hill on Fox.com. Fox says i cant because im not located in the US. Other cartoon sites say the same thing. Is there a way i can change my computer settings so i can watch my favorite American Cartoons?

Topic by thematthatter    |  last reply


use instructables at school

If you ever wanted to use instructables at school but you couldn't because it was an extremist/terrorist/ whatever the crap else then look no further!https://www.janeapplebottom.instructables.com/homeFound it when googling guyfrom7up, just checking...It's a bit slower, and there is just something wrong.

Topic by guyfrom7up    |  last reply


PFC for home use

I'm thinking about using PFCs (power factor correction capacitors) for my whole house. Has anyone here done it? I currently use PFCs on my neon sign transformer (an d it works), but I have a question. Why wouldn't one capacitor effect my whole house? or does it and it's just because it's a tiny cap (only about 20uF) that the results are negilagble? Also, what stops it from just affecting my house to the whole power grid? thankyou EDIT: I just read somewhere that the power company for residential homes charges the same whether you use PFCs or not, they just somehow mesure the real power... Is that true?

Topic by guyfrom7up    |  last reply


whats a practical use for dead earphones?

Hi Everyone i was wondering if anyone has any ideas what i could do with multiple pairs of broken earphones and ear buds. most no longer work in one ear,etc, is there a practical and safe use for them? thank you!

Question by AussieAnglerGal    |  last reply


Does Electrical Tape Have A Use?

Hello, I was wondering if black electrical tape actually had a use? I ask because it doesn't seem to really stick to anything for very long. It eventually becomes un-done from what it was wrapped around and then leaves a sticky residue behind. Am I not using it properly or not using it the way it was intended? Does anybody else have this problem? (I have the same problem with that Saran clear plastic wrap stuff, it doesn't stick to anything but itself. So, it could be user error.) Thanks J

Topic by sdtacoma    |  last reply


Re-Use, Individual Cells from 18V NiCad

Seems that with a bit of randomnity in mfging, some cells in an 18V battery might fail before others. With that in mind, I'm trying to re-use individual cells after a pack craps out.  Test 1  Battery pack from a "drill master" which I got for  ~$2 at a thrift store. Google informs that this is a harborfreight tool, so expectations are low.  Upon disassembly of the pack, 1 of the spot-weld connections between cells had broken.  Since I don't currently have a 1.5v source, I'm using a 3v  source to charge 2 cells in series. Only charging for a few minutes at a time. Currently, this 2 cell set will light a couple xmas lites for a few minutes after charging for a few min. I'm uncertain of the calibration of my v-meter, but it currently indicates 2.65v for these 2 cells. Depending upon the source, NiCads should max out at 1.45 to 1.65 v per cell. Test 2: Pending- Ryobi drill batteries I'm uncertain how to get a good read on the accuracy of my meter without a high-end meter to compare against. Suggestions? Hopefully, I can find a proper 1 cell nicad charging device.  Thoughts? concerns? insights?

Topic by Toga_Dan    |  last reply



What does SU means at the beginning of a transistor code? Answered

I have a SU165 transistor ,if you have any information about it please tell me.

Question by theVader75    |  last reply


scoochmaroo's ebook

I have been contacted by a member, named scoochmaroo, who tells me she is packaging up a number of origami-related instructables and selling them. She says: Congratulations! Your Instructable has been selected for inclusion in eBook. We're taking some of our Guides to the next level, and converting them into an eBook format to better share Instructables projects with a wider audience. You'll get a copy of the eBook, which you can share with friends and family -- especially those with iPads. You can see a draft of the eBook here: https://www.instructables.com/id/OU8YZ5UGGPEU6AK/ Before publishing the eBook, I will be writing up a description of the projects and a link back to Instructables.com We hope you're as excited as us, and wanted to reach out to let you know this was happening. If you don't want to be included for any reason, please write back and let us know by Dec. 9. --- I have declined. When I posted my instructable to this site, I did so under a Non-commercial Share Alike Creative Commons license. I was serious about that. I don't make money off of my work and I don't think anyone else should do so. I think that's not too much to ask. This scoochmaroo says she is selling her ebook for 0.99 cents a pop. I would like to find out if this ebook has the sponsorship or the blessing of the Instructables site. Thank you very much for your consideration in this matter.

Topic by oschene    |  last reply


How to use fertilizer?

Hi! I just got some fertilizers that loo like little rocks (some are blue, white, and black), and i have no idea how they are used. Can someone help me?

Question by femap    |  last reply


Anyone use or think of a use in projects: used discarded automotive Serpentine Belts?

I've cut some into strips and bonded pieces to appliance edges making "scratch resistant bumpers.My vacuum cleaner does not chip paint from the woodwork anymore!  Serpentine belts are strong and have a nice form factor. Pieces of thick rubber for projects are hard to find any ideas?

Question by MEGACYCLES    |  last reply


How to use a transformer?

How to use a transformer?

Question by BickromM    |  last reply


Using Gamepad Joystick

Hi  I have a gamepad. And I want to drive a car with it. I uploaded photos. I want to use but they arent button what I will use it

Topic by SelimErkan    |  last reply


What this tool is used for?

Does anyone know what this tool is used for?

Question by emiliofhg    |  last reply


Who uses GetSimple?

Who uses GetSimple (http://get-simple.info/) the CMS tool? Just wanted to know how is the satisfaction level of people using GetSimple.

Question by artworker    |  last reply


How to use a mixer?

Question by Russel5311    |  last reply



what are parachords used for?

Question by arkirymbai    |  last reply


Networking using laser

Hi, I wanna connect two PCs using laser ,can u suggest me anyting?

Topic by sush_d    |  last reply


What is this things use?

I researched about it and, it told me what it was, but what do I use it for? does it limit current?

Question by Cheesey125    |  last reply


Could this Oxidiser be used?

Could i use ammonium nitrate for making a fuse. by combing the powder with glue and the on the string? Thanks!

Topic by DELETED_DELETED_kruser495    |  last reply


Use for Extending WiFi?

Hey I was wondering if you can use any metal, for example a cloths hanger, to some how attach to an end of a wi fi reciever? Or maybe even maybe use a tv antenna?

Topic by rpvanpatt    |  last reply


Best Use of Autotune

By now everyone that listens to music has probably heard (or heard of) autotune. It's been used for years to polish up pitchy vocals. Now it's more recognizable for being used on a totally different level. Autotune is the effect that T-Pain, Hellogoodbye (and by now, way to many others) use. At this point most people agree that it's way over used and just plain annoying. I have a poll to take. What song do you think actually uses it well? What's your vote for the Best Use of Autotune in a song?Mine is Woods, by Bon Iver.

Topic by Gjdj3    |  last reply


How to use a transformer? Answered

I need to convert 240V Ac mains supply to 12V DC/ 24 V dc How to do? one way is transforming 220 V ac to 12/24 V ac using transformer and then using diode bridge and capacitor to convert it to dc but i dont know how to use a transformer, how to implement it in a circuit......?

Question by chatsbk007    |  last reply


What software was used? Answered

Does anyone recognise what software was used to create this diagram?http://arduino.cc/en/uploads/Tutorial/ShftInExmp2_3.png

Question by Jayefuu    |  last reply


Most used objects

So, what do you think are some of the most used things on instructables? Duct tape dremel soldering iron What else?

Topic by Weissensteinburg    |  last reply


Looking for Used Lighter

Looking for used disposable lighters, preferably bic, for an art project for class about sustainability. Any size will work. please let me know if you have some I will be happy to pay for shipping.Best,Spins

Topic by jspins123    |  last reply


PSP screen uses

Im building a small computer and have an extra psp and was woundering if theres a way to connect it to my computer to use as my monitor?

Topic by hvac2010    |  last reply