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.
consulte Mais informação: Medical Electrics Manufacturing
#Assembléia PCB
https://www.youtu.be/kX4gCs9szeA?si=_o1w0lNIu4HwRX7N
I am a buyer in a telecom company. Recentemente, an important order of SMT PCBA is delayed due to insophiscated production of a supplier. I am thinking about replace it and just very puzzled about how did their SMT pad fall off easily when soldering the PCB boards. That slows down the whole process.
Meu teclado mecânico é novo, então não consigo encontrar onde está o culpado. Como eu conserto a chave?
I am getting a PCB manufactured for a project that I am working on. One of the parts, the A4950 motor driver, has a “almofada” on the bottom, which is meant to be soldered to GND of the PCB for thermal dissipation. I was thinking about the prototyping, and I am unsure how I would go about (using a soldering iron), soldering the pad on the bottom.
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