I would consider making a small (eg. 9mm x 9mm) right-angle PCB and joining it by solder either on the edge or in a slot depending on how long the leads are. You could notch the board for more positive location on the edge.
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#PCB Design
We are new brand of medical device. We are doing a device development recently. How can we find PCB schematics for reference?
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?
My EDA software (PCAD, but I guess others do this too) adds thermal reliefs on vias in a copper pour. What’s the use? Vias aren’t soldered.
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