Page 412 - Hacking Roomba
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Appendix A — Soldering and Safety Basics 393
FIGURE A-9: The finished solder joint: shiny and not blobby
Making a Bad Solder Joint
Figure A-10 shows the other lead of the part soldered, but badly, creating a blobby dull solder
joint. If this cold solder joint works at all, it will fail soon with no warning.
FIGURE A-10: The left side is a bad solder joint: dull and blobby.
