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31 posts tagged with soldering. (View popular tags)
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amtho (2)

How to cut traces and wire jumpers on Arduino Shield PCB

I'm a total hardware engineering noob who's getting into Arduino development. I have an Electric Imp connected to the Arduino via a shield, which works great. However, I've added another shield that conflicts with the pins that are used by the Electric Imp for software serial IO. The Imp shield says that I can cut a trace and wire a jumper to use hardware serial on two open ports instead. I've never done this before – can someone give explicit steps as to what I need to do? [more inside]
posted by krunk on Feb 11, 2014 - 5 answers

new soldering iron tip, or new iron

I have a Weller SP23 (23W) soldering iron which I've used for a couple of small through-hole kit projects. It's got a chisel tip which seems to have a ~4mm wide edge. I think I want a smaller chisel tip (maybe 2 mm) or maybe a new, versatile soldering iron. [more inside]
posted by amtho on Jul 14, 2013 - 5 answers

Looking for cool electronics building kits

I've been building guitar pedal kits from buildyourownclone, and it's been great fun. I'm running out of pedals I want to make for myself, and am looking for other projects, like this stereo tube amp, and maybe this sous vide. Can you recommend more electronics projects (preferably kits, so I don't have to scrounge for parts) that are cool and look good at the end? [more inside]
posted by Admiral Haddock on Mar 21, 2013 - 9 answers

Any precautions needed in soldering to a millivolt gas control system?

A gas stove in our family room uses a thermocouple, millivolt valve and manual switch to control the gas to the stove. I need to solder a new switch to the leads that go to the old switch (the total wire length is about 4 feet). What precautions do I need to take to ensure that I do not blow out the millivolt gas valve when I do the soldering? [more inside]
posted by mbarryf on Feb 18, 2013 - 7 answers

I need to find some supplies for reworking smd hardware.

I need to buy some reballing materials like solder balls and some kester 951 i believe no clean water soluble flux. I need to obtain these items preferably as close as possible to Waterloo Region Ontario Canada. I need some ideas on how to get this stuff cheaply and effectively. Also any links to the shops that I just cant find would be great.
posted by Chamunks on Sep 5, 2012 - 9 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

New soldering iron! What should I make?

I am the proud new owner of a soldering iron. What are some good first projects? Must be cheap and at least marginally useful. Blinky lights are a plus! [more inside]
posted by Scientist on Mar 15, 2012 - 17 answers

Please show me where to get a simple, inexpensive DAC (USB) kit

Yay I can solder! Please show me where to get a simple, inexpensive DAC (USB) kit, preferably < $50. Inspired by krilli's earlier question. [more inside]
posted by amtho on Feb 4, 2012 - 6 answers

Will it go round in circles until it stops?

Where can I get a replacement motor for my vintage Christmas color wheel? [more inside]
posted by the matching mole on Dec 11, 2011 - 4 answers

Please recommend a soldering mat.

Please recommend a "soldering mat" or other heat-resistant surface. [more inside]
posted by crawl on Oct 4, 2010 - 14 answers

How to solder electronic components?

I'm trying to pick up this Arduino project, but I do not know how to solder. I bought this temperature controlled Weller unit, and leaded solder (63% Sn / 37% Pb). What temperature do I need set the unit to? How exactly does "tinning" work? How do I prevent the board from burning when the tip gets close? [more inside]
posted by geoff. on May 31, 2010 - 17 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

Laptop power jack repairs - are they that bad?

Does anyone have experience repairing the power jack on a laptop? My wife's old (circa 2006) Dell laptop won't charge, due to what seems like a loose power jack connection. I've repair found tutorials, and it doesn't seem that bad, does it? (More details inside) [more inside]
posted by filthy light thief on Feb 12, 2010 - 11 answers

Soldering?

Do I really need a soldering station? [more inside]
posted by fixedgear on Mar 4, 2009 - 15 answers

Mic level vs. Line level FIGHT!

How do I build a microphone preamp for a Macbook Pro? [more inside]
posted by knowles on Jan 25, 2009 - 6 answers

Where are Some Great DIY Printed Circuit Board Layouts?

I have a medium-sized run of printed circuit boards that'd be most cost-effective for me to silkscreen/photo-etch at home. I'm pretty sure I got that part covered... lots of tutorials available [1, 2, 3, etc]. It'd be a shame, though, to build this setup and then not use it again, so I'm wondering where are some great repositories for (all types of) PCB layouts? Added difficulty: Would like reasonable descriptions of "what they do" and how the boards are likely to be employed. [more inside]
posted by jjjjjjjijjjjjjj on Dec 30, 2008 - 7 answers

Tinning a soldering iron

How do I get solder to stick to the tip of my fancy new soldering iron? [more inside]
posted by shimon on Sep 17, 2008 - 9 answers

Should I eat -- er, solder -- this? On the aging and toughness of ceramic disc capacitors.

Should I eat – er, solder – this? I'm building a preamp and I just discovered that I'm low on 0.1μF 50v ceramic disc capacitors. My question is about whether it's worth trying to salvage more from another (already disassembled) piece of equipment. [more inside]
posted by Your Time Machine Sucks on Aug 22, 2008 - 10 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

Help me fix my soldering iron!

I broke my soldering iron. How can I fix it? [more inside]
posted by sah on Jul 14, 2008 - 4 answers

How do I keep the kids from burning themselves?

What are good safety procedures for soldering with kids? [more inside]
posted by gaelenh on Jun 24, 2008 - 15 answers

Portable Soldering Iron

Recommendation on Portable Soldering Irons? [more inside]
posted by sdis on Jun 18, 2008 - 7 answers

Metal crafts classes needed.

I want to learn metal crafts using a scribe/jeweler or marquetry saw and soldering. I live in Los Angeles (specifically Burbank) and I've tried vocational schools but can't find any specific courses, just entire certification programs in welding & such. I'm better learning when someone experienced is teaching and not from a book. I'm willing to pay for courses...just can't find any.
posted by Sophie1 on Mar 25, 2008 - 5 answers

electrical help

Basic Electronics Repair Filter: I recently purchased a used Korg ES-1 and after a few months the power started to randomly cut out... turns out the power pin on the mainboard has come loose. [more inside]
posted by Espoo2 on Feb 27, 2008 - 5 answers

give me stereo or give me death!

easiest way to replace the headphone jack in my iaudio x5 portable mp3 player? [more inside]
posted by yonation on Nov 21, 2007 - 4 answers

Soldering for the beginning hobbyist

Soldering - Please give me all your iron and accessories recommendations for a beginning home hobbyist (electronics, circuit boards, etc) [more inside]
posted by malacologist on Jul 23, 2007 - 25 answers

PSU question

Electronics filter: What can I do to make a 24v PSU turn into a 18-19v PSU? It's 0.5A power supply which as far as I can tell is important to know when using, say a resistor to lower voltage. But how resistant should the resistor be? I've found information on how to tell a resistor's value, but not how it will actually effect a line's voltage or how to calculate it. Are there any good sites with this information? Also what will happen to the amount of amps the PSU supplies when I do change it to 18/19v?? Also, what can be done to increase the amperage of a power supply? What inside the circutry is actually dictating the amperage?
posted by Napierzaza on Dec 3, 2006 - 25 answers

How to solder flexible printed circuit?

Tips for hand soldering leads to printed flexible circuits? [more inside]
posted by loquacious on Sep 22, 2006 - 11 answers

No Sweat!

Can I safely use stearic acid & rosin flux when I sweat copper pipe? [more inside]
posted by spacewrench on Sep 1, 2006 - 4 answers

I'm looking for a really good wire stripper.

I'm looking for a really good pair of wire strippers. [more inside]
posted by Jack Karaoke on May 7, 2005 - 8 answers

My Turntable needs to be soldered.

My Turntable will only play through one channel. I have a soldering question, because I have to replace the RCA cables. Can someone teach me how to properly solder audio equipment? I have never soldered before, but I am handy with electronics. The Turn Table in question is a Pioneer PL-10, a nice older one that goes well with vintage reciever. I bought it for $30 along with some scratched up first pressing Beatles albums. Basically, when the needle is down you can only hear one channel. There is absolutely no signal from the left RCA cable. When I reverse the plugs, the dead RCA cable is still dead.... just on the other channel. [more inside]
posted by Dean Keaton on Mar 20, 2005 - 13 answers

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