PDF Learn to Solder Tools and Techniques for Assembling Electronics

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Zoom Zoom. Availability Usually despatched within 2 weeks. Facebook Twitter Pinterest Share. Description Learn the fundamentals of soldering - and pick up an essential skill for building electronic gadgets. You'll discover how to preheat and tin your iron, make a good solder joint, desolder cleanly when things don't quite go right , and how to use helping hands to hold components in place. Using the tools in the kit and some electronic components, you can practice soldering while making fun blinky objects. Then show the world you just learned a new skill by wearing the Learn to Solder Skill Badge.

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Learn how to prepare your workspace Get to know the components you'll work with Use the best methods for soldering components in place Experience the perfect solder joint Know how to desolder when things don't work the first time Heat up the iron and start soldering today! He's also been involved in various ways over the years with AS, a non-profit arts center in Providence, Rhode Island.

Tyler Moskowite, a programmer, engineering intern at Make Magazine, and student at Santa Rosa Junior College, has been tinkering with electronics for almost half his life.

As a photographer for Make Magazine, Gregory Hayes has ruined more clothes than he ever did as a handyman, hiked more miles with a heavier load than he did as a backpacker, done more research than he did as a writer, and gotten closer to more human hands than advised by any epidemiologist. Taught to solder at the age of seven and forced to solder for his supper at the age of nine, he's now content to let others enjoy the lion's share while he stands by watching safely from behind glass. Novices sometimes buy a small clip-on heat-shunt, which resembles a pair of aluminium tweezers.

In the case of, say, a transistor, the shunt is attached to one of the leads near to the transistor's body. Any excess heat then diverts up the heat shunt instead of into the transistor junction, thereby saving the device from over-heating. Beginners find them reassuring until they've gained more experience. The final key to a successful solder joint is to apply an appropriate amount of solder.

How to Solder – Hand Soldering Tutorial

Too much solder is an unnecessary waste and may cause short circuits with adjacent joints. Too little and it may not support the component properly, or may not fully form a working joint. How much to apply, only really comes with practice. A few millimetres only, is enough for an "average" p. A soldered joint which is improperly made will be electrically "noisy", unreliable and is likely to get worse in time. It may even not have made any electrical connection at all, or could work initially and then cause the equipment to fail at a later date!

It can be hard to judge the quality of a solder joint purely by appearances, because you cannot say how the joint actually formed on the inside , but by following the guidelines there is no reason why you should not obtain perfect results. A joint which is poorly formed is often called a "dry joint".

Usually it results from dirt or grease preventing the solder from melting onto the parts properly, and is often noticeable because of the tendency of the solder not to "spread" but to form beads or globules instead, perhaps partially. Alternatively, if it seems to take an inordinately long time for the solder to spread, this is another sign of possible dirt and that the joint may potentially be a dry one. There will undoubtedly come a time when you need to remove the solder from a joint: possibly to replace a faulty component or fix a dry joint.

The usual way is to use a desoldering pump or vacuum pump which works like a small spring-loaded bicycle pump, only in reverse!


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A spring-loaded plunger is released at the push of a button and the molten solder is then drawn up into the pump. It may take one or two attempts to clean up a joint this way, but a small desoldering pump is an invaluable tool especially for p. Sometimes, it's effective to actually add more solder and then desolder the whole lot with a pump, if the solder is particularly awkward to remove.

Care is needed, though, to ensure that the boards and parts are not damaged by excessive heat; the pumps themselves have a P.

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An excellent alternative to a pump is to use desoldering braid , including the famous American "Soder-Wick" sic or Adcola "TISA-Wick" which are packaged in small dispenser reels. This product is a specially treated fine copper braid which draws molten solder up into the braid where it solidifies. The best way is to use the tip of the hot iron to press a short length of braid down onto the joint to be de-soldered. The iron will subsequently melt the solder, which will be drawn up into the braid.

Soldering iron

Take extreme care to ensure that you don't allow the solder to cool with the braid adhering to the work, or you run the risk of damaging p. See my photo gallery for more details. I recommend buying a small reel of de-soldering braid, especially for larger or difficult joints which would take several attempts with a pump. It is surprisingly effective, especially on difficult joints where a desoldering pump may prove a struggle.

Electronics Primer: How to Solder Electronic Components

Read how gas soldering irons work, and see our full online view of a typical budget gas soldering iron with photographs. This product is no longer available. Written by Alan Winstanley Email to alan epemag. Visit www. Also buy thin. You can purchase these at your local Radio Shack and other places. If you do, you might damage sensitive electronic components. Use rosin-core solder to form the bond in your projects. Figure 1: Soldering requires the right tools and a little skill. The best technique for soldering is simple, so repeat this mantra: Heat the metal, not the solder.

For example, you heat the metal of a component pin and the metal of a circuit board pad simultaneously, and then you touch the tip of the rosin-core solder to the pad or the pin, but not to the iron. If you have sufficiently heated the two metals the pad and the pin , they will heat the solder, which then flows quickly to both the pad and the component pin.


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