Introduction to Electronics/Lecture Soldering

The tools you need for soldering are solder and a soldering iron. You first need to heat the soldering iron so that the solder will immediately fuse when it touches the solder. When it's already heated, you then touch the leg of your targeted component. Let the leg be heated for a few seconds before touching it with the solder. Don't melt too much solder and make sure it does not make contact with any conducting area on your circuit board unless intended.

Soldering on wires

In this method first - heating the wires and then to this point adds the solder

Soldering on a heating element

In this method - melting the solder on the heating element. And then transfer to wires.

References

https://www.science.smith.edu/~jcardell/Courses/EGR328/Readings/Soldering%20Guide.pdf

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