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Technical Writer
Oliver is an experienced electronics engineer with over 7 years of experience developing products in IoT, consumer electronics, and medical devices. He is highly skilled in analog circuit design, embedded systems, PCB layout, firmware coding, and prototyping electronic products. Oliver’s expertise encompasses the full product development cycle, from concept to mass production. He holds a Master’s degree in Electrical Engineering and leverages his deep technical knowledge to deliver innovative electronic solutions.
We receive a batch of PCB with scratches from my supplier, but they think it is acceptable. I have never seen such error on even an B stock boards parts. Very confused. How do scratches affect PCB working?
I send my PCB design to manufacturer for prototype, but they send back deviated PCB samples with additional zig-zag. Why are there zig-zag lines on it? Reducing interference?
Try to repair electronic sphygmomanometer now. It seems wires fell off from the flexible PCB, leaving trail on there. How do I solder them to the flex-PCB?
I receive the samples BOM of our PCBA factory. It remarks that PCB is FR4 Isola 370HR. What is this and is it reliable materials?
My mechanical keyborad is brand new so I cannot find where the culprit is. How I fix the key?
I mean, headphones or ear buds are capable of reducing the ambient background noise. Can it realize by circuit design or other approaches?
My PCBA supplier use molex connectors on the samples order. What are they? What does they feature?
Is it possible to replace an automotive wiring harness with PCB? For example, just have the cables attached on either end of the circuit to eliminate a bunch of messy cableage in between.
When I visit the PCB showroom in factory, I find that there are some pcs with round corners. Is it better to have round corners on a PCB?
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