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It can surely be a reason for a vibration failure if the module isn’t mounted flush with the board and can actually moved by hand. Copper is horrible when repeatedly flexed.
I’d suggest strain relief of the assembly with some elastic compound to the board, if possible. It’s also important to evaluate if the module is ‘top heavy’, since the regulator body will leverage to the board.
Read More: PCB Testing Laboratory
#PCB Assembly #PCB Testing
It is a nice looking breadboard, but the terminals are too loose to make a good connection on any components. so I couldn’t actually use them for anything.
I am prototyping a PCB, using Chip Quik’s “SMDSWLF.031, a Sn96.5/ Ag3.0/ Cu0.5 solder with 2.2% no-clean flux. I find that the black spots appears frequently in larger pads on my board. I wonder if it is because I left the soldering iron more time heating the solder and that burnt the flux. What is that black residue? Is that a sign of a bad joint or maybe bad soldering technique?
I have a batch of PCBs with SMT nuts which has been assembled onto a PCB – the nut has kapton tape on top to allow easy pickup for assembly. How can we do this faster/what’s a better method?
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