this post was submitted on 24 Dec 2023
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Soldering
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Any tips on using solder paste? I tried it before but I feel like it just dried up when I heated it.
I'm not too familiar since it was my first time using it but from my research brand does matter as well as how old it is. The flux in the paste can dry out. I did notice that it worked better when I moved it around the board a lot towards the beginning, basically it was preheating so the paste melted easier. It did appear like it was drying before it went molten, so maybe your heat is not quite high enough or you're not giving it enough time.
Also, keep the air flow on the low end and angled straight down. Otherwise some components might fly off the board.