Questions tagged [pcb-assembly]
The process of mounting electronic components onto a printed circuit board. This can be done manually with a soldering iron, or automatically using a "Pick and Place" machine.
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Unknown SMD component - PCB Designation question
I have a board we are trying to repair. We are unable to get any technical documents from the manufacturer, no schematic or BOM for the board. This has multiple switches, think metal dome you press ...
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PCB Silkscreen Marking
Today, I came on a PC board and the silkscreen marking have TG on it. What is the component for TG?
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Split / combine a larger printed circuit board from smaller boards
I have plans for a large PCB (~12".) Some sections of this board are modular - they have a very similar design. To lower the price, is it feasible to split one big board into smaller, modular ...
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Attaching foam to the bottom of a PCB
I'm currently designing some development boards that are quite large, around 100x180mm, with lots of through-hole components. The goal is to create an educational tool for students. Because of this, I ...
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adhesive glue before soldering
Before I solder very small electronic parts on PCB board, I want to find some needle point sized injector to inject tiny glue fix the parts, then do the soldering.
Some manufacturers used that, but I ...
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Identify 5 pin smd marked "KV.." from motherboard led tv Panasonic
Identify 5 pin smd from motherboard led tv Panasonic that burned.
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What is the best way to adapt a larger connector when the insertion holes on the PCB do not match?
Good day, everyone. I have a Type-C connector on a device that is much larger than the micro USB connector I had previously. The insertion legs do not align with the holes on the PCB, and since it is ...
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How does the number of PCB layers affect the temperature of the board?
I understand that a PCB with the exact same circuit on a 2-layer board will get hotter than a higher number board: 4-,6-,8-layer boards. But, I have not been able to find the reasoning for this ...
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Reattaching DC power adapter jack to PCB
Recently, my baby monitor stopped charging - that is to say, when I inserted the DC power cord, I had to wiggle the plug about in the socket a bit to get in to start charging and even then it was ...
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Protecting circuit boards against shock?
Our company have been designing and manufacturing custom circuit boards for some 10 years now, and up till now by far the most common reason for board failure has been a mechanical shock - heavier SMD ...
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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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STM32F4 TQFP100 part orientation
I have mounted a STM32F446VETx on my PCB as shown on a picture of my PCB:
For me the pin 1 marker in the big mark at the top right of the picture, near C67.
But, after a lot of trial, I can't connect ...
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What is the best solution for wire to board then board to board connection?
Background: Hello, I am a first timer trying to finish this pcb redesign. I am in dire need as an intern who has no clue what they are doing but is having fun learning
I have all my schematics working ...
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Any idea how to stack two PCBs that can work independently
This is my first time ever doing PCB stuff :D
I have two L-shaped PCBs that will stack on top of each other. The connectors would stack on each other so that it can either:
Be used with both top and ...
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Can you tell me more about "re-enterable" potting compound?
I heard the term "re-enterable potting compound", which is a gel-like (possibly hard?) material that can be used to fill electronics enclosures for water intrusion protection and other things.
What ...
