Harvesting Parts

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Sometimes parts can be hard to find or just too expensive. This can easily turn down beginners who are just looking for a quick and easy project. That is why it is nice when one can get parts for free! Electronic junk is abundant and a great source of parts, as one can find all sorts of components for free, including rare and/or expensive components. A great place to visit is the local dump of course, although the dump-people seem pretty strict with their garbage.

 

Excellent sources of parts are;

 

Monitors                                             Flyback transformer, capacitors, Ferrite, Mosfets, transistors, wire, diodes

PSUs                                                   Inductors, small components, Mosfets, diodes, PWM chip

TVs                                                     See monitor.

Microwave ovens                               HV cap, MOT (Transformer), HV diode

Stereo System                                    Plenty of small components, transformer

Disposable Cameras                          Cap with charging system, first coil gun

Most large electronic equipment      Heavy duty components!!!

 

Harvesting parts isn’t easy without some way of mass desoldering. I actually desoldered a whole monitor with just a soldering iron. It took a long time and cost me a soldering tip. The parts tend to get banged up, because you’ll need to break the board up for anything with >3 pins.

That’s where the heat gun comes in!

When using a heat gun watch the temperature on the board and components. It gets hot fast and you will likely burn the board the first few times, which smells horrible. After applying heat for some time you can just tap the board and the component will fall out. I was able to remove an entire flyback this way, along with everything else in this photo. Here is the result of 2 PSUs and a monitor, it only took a few hours.

 

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