Questions tagged [pcb-design]
About designing the boards which carry the components of an electronic circuit, including placement of parts and routing of traces. For questions about getting them built instead use PCB-fabrication. If your question is specific to a certain CAD tool, say which tool and version you are using.
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Nanogrid management PCB review
I have made some progress on the PCB for a nanogrid consisting of solar panel, wind turbine, batteries, load (not yet connected) this board monitors the current/voltage of each components and sends ...
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How can i make this idea work in PCB?
Assume i have a source of energy (voltage source), i want to sense the voltage and current of this source and transfer this analog information to an ADC (arduino nano)
thus i have to make the voltage/...
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How can I create a round hole in stiffener in Altium?
I am building a flat flex cable assembly. I have two regions Layer1 which has stiffener, and layer 2/3 with no stiffener. I don't see an option on the toolbar or in the menu to create a circle. I ...
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Circuit schema 2 ways WS2812 connect with 1 PCB layout
Hey all I am having a difficut time trying to figure out how to go about the following:
I am wanting to just make 1 pcb but I am using WS2812B LEDs and therefore needs to be in the correct direction.
...
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Is a shunt jumper for a power plane jumper a good idea?
I am designing an experimental PCB. I have included a split rail DC/DC converter LM27762 on it. Since I wasn't sure it will work, for testing purposes I have included a 2x3 pin header for bridging the ...
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A basic question about using dielectric material in PCB boards in relation to electric field
I was wondering what the PCB's dielectric material(such as FR-4) do to the electric field.
If I'm not wrong, the dielectric material influences how the electric field lines are distributed. And it ...
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How do PCB trace width calculators find the coefficients from the IPC-2221?
PCB trace width calculators like this one and many others like it always quote at the bottom something like this,
For IPC-2221 internal layers: k = 0.024, b = 0.44, c = 0.725
For IPC-2221 external ...
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What is wrong in this schematic?
I'm working on a PCB for a nanogrid basically I need to monitor the current/voltage of the renewable energy sources and the battery storage (SoC) and the load state, also transfer all this information ...
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Deciphering workings of a printed circuit board for a night-light
I am new to electronics and am trying to understand how a particular circuit on a printed circuit board (photographs below) actually functions. The board represents the entire device which is a LED ...
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Do you know this circuit? [duplicate]
I was checking the flipper Zero Wi-Fi Developer Board schematics and in the power section I bumped with this circuit, but I've never saw it before. Someone knows the name of the circuit or its purpose....
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FE1.1S-based USB hub not being recognized
I made an FE1.1S-based USB hub 4 layer PCB. It worked fine at first, then it stopped responding. I tried to solder a new IC, but It's still not working and shows a message “not recognized” from the ...
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Custom PCB to make a high-precision, low-current voltage source "fix" drift in a lower-precision, high-current current source
I have the following goal, which I presented in a previous question:
I'm trying to generate a current source which is extremely low drift
but can maintain high current (3A into a few ohms), that ...
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Turning on a 600W AC motor (PCB, circuit design)
I am looking for a bit of advice (or corrections). I need to turn on a 600W AC motor (220V 50Hz), just ON-OFF control.
I plan to use the following circuit which AFAIK it should work well for resistive ...
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What is the best solution to keeping heavier components on a double-sided PCB while going through second pass reflow?
I am trying to do some research as I have many customers who face this issue with their parts falling off the board during the second pass. What has worked for you? Many applications are different ...
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How to isolate RS485 (A and B) from existing transceiver? Check attached circuit diagram, is it correct?
I have a controller with an RS485 transceiver, specifically the IS8489EIBZ-T, which is not isolated. I want to connect a BMS system to the output of this transceiver. After some research, I found a ...
