Put a machined guard around the pulse oximeter to keep the surface from it at about 0.2-0.3 (if it is and SMD part soldering height tolerance is about 0.2mm) and then simply screw down the resulting assembly.
Otherwise use weak springs to push the p.o. against the case, need to know the allowed stress on the body for that.
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#PCB Assembly
I have some PCBs that were wave soldered but the vias still remain open, they are not filled nor plugged form what I can see. I do not see any solder on the annular rings of the vias either. How do they go about doing so?
I believe I have heard of putting a plugged via right next to a mechanical pad so that the board is stronger there. But I’m not sure what the implications are for putting a via on the pad?
In my current prototype, I have a SIMCOM GSM module and the gp-635t GPS. They are both in an enclsoure including antennas (gps antenna is integrated). What I experience is sometimes poor GSM and GPS connectivity and sometimes GPS doesn’t get any fix (in the 2 minutes of time i allocate for it) and the GSM fails to send data sometimes. Any tips on this case?
What Is Prototype PCB Assembly? Prototype PCB assembly refers to the experimental phase that follows the PCB design to demonstrate the feasibility of the design
PCB assembly is not an easy job that must be handled with expertise and care to ensure your boards function as they are designed. Therefore,
When assembling printed circuit boards, engineers have two main techniques to choose from: through hole and surface mount technology (SMT). In the early days, we dealt
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