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Biggest Bang™ for Buck

I'm going to travel a bit and might try to combine that with shopping. (a very novel notion, I know) Price-comparisons wanted. [more inside]
posted by monocultured on Sep 22, 2010 - 3 answers

Digital screen for museum exhibit

I'm looking for a digital picture frame that can play video and sound. I'd like to find something as close to 15 inches wide as possible. This is going to be used as a part of an exhibit, and must be no wider than 15 inches, total (screen + frame + anything else). There are no specific height requirements. Thank you!
posted by nalyd on Sep 20, 2010 - 5 answers

Help me teach my son (and myself) electronics

My son got a 130-in-1 electronics lab for his 8th birthday and discovered digital logic from MacCauley's How Things Work. Now he wants to build a half-adder. Help? [more inside]
posted by rikschell on Sep 13, 2010 - 15 answers

Monsterfuzz wants to rocks your world

I have a friend who would like to learn the mechanics of building effects pedals for guitars. [more inside]
posted by kittyloop on Sep 9, 2010 - 9 answers

I want to lie to cars.

I need a little advice on an electronics project that I'm working on. [more inside]
posted by Jon-o on Sep 2, 2010 - 16 answers

If You Pop That One More Time.....

The speakers are popping and it's driving me crazy. [more inside]
posted by DisreputableDog on Sep 1, 2010 - 6 answers

AC/DC for a sub. No, wait...

My son wants to DJ using a conventional amplifier and speakers, but with his car amp (Pioneer GM-D7400M) powering an 800 watt sub-woofer. This requires a 110 volt wall outlet converted to 12 volts. Can he use a battery charger, or does he need a larger, non-pulsing DC source, like an actual battery or DC power supply? Any other options/wiring tips? TIA.
posted by weapons-grade pandemonium on Aug 24, 2010 - 9 answers

Shopping in London

I will be visiting London for two weeks or so in mid September this year, and I will be doing a lot of shopping. Since I have been recently working and living in Egypt, I intend to buy myself a new phone and some electronics, and maybe clothes. (electronics here are too expensive and not everything is available) [more inside]
posted by convex on Aug 23, 2010 - 8 answers

Why does a fully charged battery last for a different length of time depending on how it's charged?

When I charge my phone using a portable charger, the battery runs out quicker than if it's charged from the mains. Why is this? [more inside]
posted by Wilka on Aug 18, 2010 - 4 answers

Advice on DLP projectors

What is the best type of DLP projector to get for home movie watching? [more inside]
posted by a womble is an active kind of sloth on Aug 6, 2010 - 4 answers

Does Las Vegas have any reputable camera dealers?

Does Las Vegas have good, legit deals on cameras? [more inside]
posted by Joseppi on Aug 5, 2010 - 5 answers

Cash for used electronics?

Experiences with Gazelle, NextWorth, or other cash-for-electronics programs? [more inside]
posted by hansbrough on Jul 26, 2010 - 9 answers

Help me find a DIN rail Terminal Block for a standard DIP14 packaged chip (that is in-stock).

[Electronics Small Part Filter] Help me find a DIN rail Terminal Block for a standard DIP14 packaged chip (that is in-stock). [more inside]
posted by nickerbocker on Jul 21, 2010 - 3 answers

How to best dispose of my unwanted stuff?

I am working on getting rid of a lot of old possessions (baseball cards, electronics, clothes, etc.) that I've accumulated since childhood. I am not certain of the best way to dispose of some of these things. What's the best way to make sure most of it doesn't just end up in a landfill and/or might also bring me some profit? [more inside]
posted by digitaldraco on Jul 15, 2010 - 31 answers

Jake the Peg

RS78 L12A. What transistor do I need? [more inside]
posted by run"monty on Jul 5, 2010 - 8 answers

Easy DIY electronics project for a teenager?

Easy DIY electronics project for a teenager? [more inside]
posted by Joseph Gurl on Jul 3, 2010 - 15 answers

Source for Right Angle PC Mount Potentiometers

Where can I order Alpha Single-Gang 16mm Right-angle PC Mount Potentiometers that are 100K log/audio taper?
posted by drezdn on Jun 28, 2010 - 4 answers

Simple Thévenin equivalent?

What is the Thévenin equivalent of this circuit? [more inside]
posted by PuGZ on Jun 14, 2010 - 6 answers

We'll need a bigger icebox, ma.

[HomeApplianceFilter] So we've bought a new house...now we need furniture and appliances. But where to get them? [more inside]
posted by jstarlee on Jun 11, 2010 - 15 answers

How did you get involved in electrical hobby work?

I’m coming from a non-technical background, and would like to learn more about circuit design and electrical engineering on a hobby based level. How did you get involved, and what resources are good for beginners? [more inside]
posted by codacorolla on Jun 10, 2010 - 13 answers

Is there something wrong with Malvino's Electronic Principles

Is there a reason Malvino's Electronic Principles would be considered a bad book? [more inside]
posted by Monday, stony Monday on Jun 9, 2010 - 2 answers

Good bare-bones TV set for people who don't know which features are the bones

We're thinking about getting rid of our 1975 digital-tunerless Zenith and buying a new TV set. I've never in my life purchased a television and I'm a bit bewildered by the many options. [more inside]
posted by escabeche on Jun 9, 2010 - 18 answers

How to mail sensitive electronics (e.g. RAM)?

How to mail sensitive electronics (e.g. RAM)? [more inside]
posted by mazniak on May 29, 2010 - 4 answers

How can hon-handy types get a TV installed in Boston?

How do embarrassingly non-handy people in Boston buy a flat screen HD TV and affix it to the wall? [more inside]
posted by mozhet on May 29, 2010 - 2 answers

Help me get a better earphone seal!

Will these triple-flange sleeves work with Shure SCL2 earphones? If not, does anyone know of a third party vendor that makes compatible triple flange sleeves for the SCL2? I'm having a hard time getting any of the included sleeves to form a seal with my elfin ears.
posted by mattholomew on May 24, 2010 - 7 answers

A few volts here, a few amps there, and before you know it there might be nothing left!

Does leaving my phone's car charger plugged in to the car at all times significantly drain my car's battery? [more inside]
posted by Vorteks on May 20, 2010 - 22 answers

How to find new media events in NYC?

I’m looking to get hooked into information about any and all electronic or new media arts and cultural events happening in and around New York City. This includes games, video installations, small time hobbyist classes. What mailing lists and blogs should I be subscribed to and/or following? (I'm aaware of True Chip Till Death, Eyebeam, Figment NYC Resistor and 3rd Ward.)
posted by edbles on May 17, 2010 - 2 answers

the sheep that never sleeps

Can I disconnect/modify the timer on my baby's Sleep Sheep so that it plays indefinitely? [more inside]
posted by gnutron on May 5, 2010 - 9 answers

Tennis Targets

What can I use for a "smart" tennis target? [more inside]
posted by iconjack on Apr 29, 2010 - 5 answers

Or should I just save up & buy the expensive back?

Where the heck do I get a really high-res board camera with a basic embedded system & the software libraries to control it? [more inside]
posted by spaghetti on Apr 25, 2010 - 2 answers

Toys for AI chatbot?

Help me make my talking deer-billy-bass-whatever toy engage in eerily logical conversation. [more inside]
posted by ollyolly on Apr 21, 2010 - 6 answers

Hacking USB input

Is there an easy way to hack a USB port to give meaningful input to a program when a brief electrical connection is made? I'd like to create a device to start and stop a timer on a laptop. [more inside]
posted by infomaniac on Apr 17, 2010 - 23 answers

Memristance Is !Futile

What's a simple mental model of a memristor? [more inside]
posted by DU on Apr 16, 2010 - 8 answers

How to label a custom device case?

I am building an electronic device which will be housed in a black ABS box. I want to label the buttons and knobs on the front panel. I don't want to stick anything onto the plastic - I want to apply the ink directly to the plastic. What are my options? [more inside]
posted by Mars Saxman on Apr 15, 2010 - 13 answers

Cheap computer store in Portland

Can anyone recommend a good computer store in Portland, Oregon? [more inside]
posted by PercussivePaul on Apr 5, 2010 - 5 answers

+1 Diesel Repair: Level grinding my handyman skills

PracticalSkillFilter: Looking for ways to quickly/systematically learn practical diesel engine repair, basic electronics, fiberglass or woodworking techniques in/near Raleigh NC. [more inside]
posted by DetonatedManiac on Apr 3, 2010 - 4 answers

Can I improvise a power supply for a strange monitor?

Can I improvise a power supply for a mysterious LCD monitor? A sticker on the back gives the power requirements, but the plug type is strange. [more inside]
posted by Maximian on Mar 29, 2010 - 7 answers

Why does my guitar amp blow every speaker it comes in contact with?

Can a guitar amplifier ruin every speaker cabinet it gets plugged into? [more inside]
posted by nurgle on Mar 27, 2010 - 2 answers

Get my bleep on. And by get, I mean solder.

Is there a San Francisco or Bay Area equivalent to Austin's (or NYC's) Handmade Music scene, focused on building electronic musical instruments? [more inside]
posted by eschatfische on Mar 24, 2010 - 5 answers

Computer audio work with JBL L100 Speakers?

Will the audio output on my laptop or desktop "drive" the sound on my old and venerable JBL L100 speakers? If I hook up my JBL L100 speakers to the output source of my laptop or desktop, will that work?
posted by shoe478 on Mar 17, 2010 - 4 answers

how to get tinkering

I want to make little machines that do cool things. I've been daydreaming and doing moderate "research" for years and years. How do I make this into reality? [more inside]
posted by elephantsvanish on Mar 13, 2010 - 8 answers

Hollar when the train is coming :)

What easy technology solution can save me from waiting forever for an untimely train? [more inside]
posted by thankyoumuchly on Mar 12, 2010 - 10 answers

Help me get started on digital video making by buying a decent camera.

Help me get started on digital video making by buying a decent camera. I'm confused by all the available formats! [more inside]
posted by falameufilho on Mar 6, 2010 - 8 answers

Get that out of your mouth!

Childproofing for the destructive child just starting to get mobile. [more inside]
posted by geek anachronism on Feb 26, 2010 - 19 answers

Eject the core!

I'm looking to buy a silicon steel lamination core from a transformer. I frequently give presentations that discuss the design of these transformers and I'd like to have a sample to show the audience. Where can I buy this online? [more inside]
posted by Aanidaani on Feb 25, 2010 - 7 answers

How to prevent S Video cable from overriding DVD signal?

My (very basic) DVD player is connected to my (also very basic) TV with RCA cables. My laptop plugs into my TV with an S Video cable (so I can watch Netflix streaming, etc). The problem: if the S Video cable is plugged in (even if the laptop isn't connected on the other end) the TV won't recognize the signal coming from the DVD player. My solution is to simply unplug the S Video cable when I want to use my DVD player, but ideally I'd like to keep it plugged in and have some sort of switching mechanism. Is there such a product and if so, can someone provide a link? Thanks!
posted by AONeal79 on Feb 22, 2010 - 12 answers

So many USB chargers, so little space.

I have a USB charger for my phone and another for my MP3 player. Can I use one for both without fear of damaging my two most favoritest electronic devices? [more inside]
posted by Work to Live on Feb 18, 2010 - 6 answers

How can I fix my battery-powered blender?

Can I fix my battery-powered blender? [more inside]
posted by Hiker on Feb 15, 2010 - 4 answers

I can't find a NeoGeo power supply!

I need help finding a power supply for a Japanese top-loading NeoGeo CD for a friend. [more inside]
posted by Poppa Bear on Feb 15, 2010 - 3 answers

How does this thingamajig work?

Linear solenoids. Need help understanding how they work and if mine is broken. [more inside]
posted by edbles on Feb 9, 2010 - 10 answers

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