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14 posts tagged with circuitry. (View popular tags)
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Bathroom Closed - No Swimming, By the Order of the Amity PD

How can we make music play when a door is closed? [more inside]
posted by troika on Jul 12, 2013 - 8 answers

Suggest Electronica Suggestive of Electronics

I like songs that evoke images of circuitry, complexity, and digital processes. What are some songs and artists that convey this feeling? [more inside]
posted by dephlogisticated on Mar 18, 2013 - 24 answers

DIY LED Light Panel

I would like to learn more about electronics and circuitry by making a LED light panel. I have questions about how to calculate the number of LEDs I need, soldering, and how to diffuse the light. [more inside]
posted by gagoumot on Aug 2, 2012 - 2 answers

How can I create a hand-made digital timer?

I want to create a digital timer to run a motor and activate three solenoids in a particular sequence and for particular durations. [more inside]
posted by jsturgill on Sep 28, 2011 - 9 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

Strobinoff

Is it possible to get a strobe light to respond to sound input? [more inside]
posted by cloeburner on Sep 5, 2009 - 2 answers

Circuit Builder in Minneapolis

Circuit builder in Minneapolis area? [more inside]
posted by ian1977 on Aug 5, 2009 - 3 answers

Why can't I make this work? LED angst inside

Using a AA battery, two pieces of speaker wire and an LED, I am trying to make a simple circuit. I am meeting with complete failure. Help! [more inside]
posted by puckish on Aug 11, 2008 - 15 answers

LIGHT SHOW

I'm interested in learning how to wire LEDs and program/control them. [more inside]
posted by god particle on May 26, 2008 - 10 answers

Clock/Counter Card

Timer and Control Circuit. I need to measure the rotation of a spindle and the time during which a circuit is thrown open during that rotation. I think I need a clock, a counter and a software interface. Where do I start? [more inside]
posted by grahamwell on Nov 25, 2006 - 4 answers

What is a "starving plate" design?

In tube ciruitry, what is a "starving plate" design?
posted by goodnewsfortheinsane on Aug 27, 2006 - 2 answers

OFF - HI - MED - LO

Just a stupid question that's puzzled me for years: Why is it that, on electric fans, the order of the settings on the switch is OFF - HI - MED - LO? I'm sure there's an electrical reason for this, but I don't know what it is, since I know nothing about circuitry. One would think that OFF - LO - MED - HI would make more sense. Can someone explain this to me?
posted by Dr. Wu on Jun 14, 2005 - 23 answers

Dead printed circuit boards for London art project?

Where can my sister (in London) find or buy dead printed circuit boards for an art project? The larger the better, the cheaper the better, what they used to be doesn't matter.
posted by armoured-ant on Dec 2, 2004 - 6 answers

Recommend a book that will help me make simple electronics?

I want to learn how to make simple electronics, like LED controllers that I can hook up to a serial port. Can anyone recommend a book to get started with? [more inside] [more inside]
posted by krunk on Aug 29, 2004 - 13 answers

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