Preparing boards for assembly
Keywords: FR-4 electroless nickel bath Hot Air Solder Leveling organic surface protectants
[Summary of tips] Before a printed circuit board (PCB) arrives at an assembly line, it has already gone through many operations. The thicker insulating material is typically FR-4 or a similar material. At this point the manufacturer is handling large sheets—typically 1m x 2m—that will later be cut into smaller panels and finally into......|
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Strange modes of transport and other "stuff"
Someone just pointed me at a YouTube video that claims to show the world's first e-powered multicopter flight...















