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Soldering is the metallurgic process used to fix electronic components to a PCB, usually with a tin alloy. Soldering can be done by hand or automatic. PTH boards were usually wave soldered, SMT uses reflow technology.

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How to resolder the wires to these two switches?

When you strip the wire, quickly, really within 3-5 seconds, cover it with solder or at least liquid flux. It looks like the ones that oxidize. After that simply clean the button leads and solder the …
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21 votes
4 answers
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Aluminum bus bars connection to PCB

I am going to use aluminum bus bars in a high-current PCB. What is the best technique to establish contact between the PCB and the bars? I plan to make my own bars. The current is generally going to b …
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