3answers
6answers

[PCB Prototype] copper clad board oxidation removal

I'm new to PCB making for prototyping... I have some old copper clad stock, but its oxidized (salmon color on some and dull finish on others). waht's the best way of removing the oxidation? I ...
2answers
2answers
2answers

[PCB Prototype] RF PCB Stackup

Hello,I am desiging a 4-layer RF board with 50 ohm impedence control for RF signals. I need the following information from pcbway before I finish up the layout and submit the order: 1) What...
2answers
2answers

[PCB Prototype] https://www.pcbway.com/project/shareproject/Detector_de_metais_pi_polones_design_2019_by_emanuel_douglas.html

HelloI made this detector but it doesn't work.Can you explain the problem more clearly?Another question, what does p + and p- mean?Finally, 7905 gets very hot. Thank you for reading.
2answers

[PCB Assembly] Recommendation for SK6812 or WS2812B 3535 components

I have a PCB I would like to be fully assembled by PCBWay that includes a matrix of 25x 3535 RGB LEDs. I have read the SK6812 mini LEDs can be very sensitive to soldering temperatures and may fail.&nb...
  • answered Mar 12,2021
    by Praddy
2answers

[Others] Wear resistant top layer material

Hello experts, very unusual question: In my design the top surface of the PCB as used a mechanical surface (think of a hockey puck sliding around on it).What materials as part of the pcb fab...
1answers

[PCB Prototype] Through hole components on IMS PCB

Hello, I need to make a single-layer IMS PCB due to the high temperature operating temperature of my design.I need to connect some wires or connectors from the bottom side of the IMS PCB.Is this ...
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1 PCBWay Team 11
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5 Engineer 1
6 Ibrahim TKR 1