Questions tagged [pcb-fabrication]
About the manufacturing of PCBs (Printed Circuit Boards).
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How to cover thermal vias in design spark pcb
I am trying to cover the vias on my PCB using the solder mask however when I upload the PCB to a manufacturer's website the vias are not covered. I am using DesignSpark PCB software
There is a post in ...
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Fusion 360 Board Panelization
I'm working on panelizing a PCB designed in Fusion 360. While I'm aware of external tools for panelizing Gerber files, I'd like to explore options within Fusion 360.
Does anyone know if Fusion 360 ...
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Is it okay for two pads F.MASK to overlap each other in Kicad
I made a new footprint for XL-0807RGBC-WS2812B based on this datasheet.
When I place this footprint in PCB editor the F.Mask for the pads on this component overlaps each other.
Is this okay?
I assume ...
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IPC-2221 Min. conductor spacing for low voltage? [closed]
May I have smaller spacing than B1 ( say as 0.05mm) at the conduction spacing if voltage between conductors is around 5V?
I'm curious that IPC conduct spacing of requirement of 0-15V is 0.05mm, but if ...
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Is it possible to create new footprints and integrate additional components into an already manufactured PCB?
What is the most effective method to do so? I have enameled wire, which seems safer to me due to the insulation. My plan is to cover them with solder mask. However, I have a question: Would it be ...
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PCB etching just not working, noob needs help
I am trying to DIY make a PCB at home following this tutorial.
There are some problems:
I could not order the stuff from the YouTube description because
Tools & Materials:
-) Photopositive PCB ...
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What are these hard black dots on PCB? [duplicate]
I have this LCD from Adafruit. On the bottom side, it has these hard black spots, slightly domed. I'm wondering what they are, and how they are produced.
There are clearly traces running to these, and ...
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Where can I find the schematic and CAD files of an open source PCB? [closed]
This is a fairly well known power bank fast charging module which is open source. I am unable to find its PCB CAD files on the internet. Can somebody provide it? Even just the schematic would help.
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KiCAD: remove DNP components from paste layer
We have an adapter board that works as an interface between our own and third-party electronics. Depending on the third-party configuration about a third of somewhat expensive components may be unused....
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What is the purpose of exposed copper on certain traces on this PCB?
I recently took apart a DeWalt battery charger. What is the purpose of this particular arrangement of exposed copper on certain traces (mostly on the right side of the image)? These are wide, high-...
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Gerber X1 to Gerber X2 [duplicate]
I have gerber files from a client. Their extensions are: .fph, .fpl, .pho, .rep, .drl, .lst, .dxf. Of these, I know .drl are the drill files and .dxf is the mechanical drawing. Also, there is a .fph ...
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How do I change minimum anular ring in vias for different layers in Altium?
I want to send my gerbers to a PCB manufacturer but its manufacturing capabilities force diferrent minimum anular ring for vias in different layers. For outer layers, its 0.13 mm and for internal ...
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PCB Layout review: ESP-07 with 28BYJ-48 Stepper board
I have used the 28BYJ-48 in conjunction with an ESP8266 in some applications and I thought it would be handy to have pcb made. I want to use JLCPCB including Pick and Place.
The Kicad source code is ...
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Soldering with SAC on a glass PCB
I’m having trouble getting the solder paste to wet my glass PCBs.
I am using SAC305 solder.
Funny that it works fine on FR-4 but with glass it just balls up.
Maybe it is because glass conducts heat ...
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What should be the minimum number of SMD components on a reel (minimum tape length) for a pick and place machine?
What should be the minimum number of SMD components on a reel for a pick and place machine? Different scenarios are possible for each machine. In terms of professional machines, if everyone writes ...
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