Recommended · for beginners
Solder wire - Low vs High Quality
Why people recommend it
A side-by-side comparison from androkavo, offered to anyone with dull joints or poor flow, showing that cheap solder rather than the iron may be at fault.
Watch for: annoying audio, so consider muting
In their words
See for example this video and this video.
Math Keeps Me Busy on electronics.stackexchange.com, Feb 2022. CC BY-SA.
