Questions tagged [alignment]
The alignment tag has no usage guidance.
13
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Locking BLDC motor rotor for encoder zeroing calibration
I know the title of this post is a real tong twister but my brain is in much worse condition as far as what's goin on here. Basically I have a motor that I'm installing an encoder onto so it can be ...
1
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1
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Sensorless BLDC motor alignment methods
I have been trying to make a FOC for BLDC motor controlling, but I am stuck at the state that before open loop state which single alignment of the motor control. The question and the explanation is ...
2
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1
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Custom Memory Allocator - How to find the required alignment for a platform?
I'm building a portable arena allocator for embedded systems.
Like for malloc, one of the requirements is to return a pointer aligned with the memory.
The question ...
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3
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ON/OFF rocker switches - convention about which side should be top/bottom?
Is there a technical convention (maybe unofficial) as to which side to mount upwards ? I imagine there could be such a guideline, because the marking could rub off or users might have impaired vision.
...
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GPS PPS Signal Duty Cycle? [duplicate]
just like the title says, I'm trying to figure out the duty cycle of a GPS's Pulse Per Second Signal.
This post and accompanying answers seem to indicate something like a 10% duty cycle:
GPS PPS ...
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1
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675
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How to tell flat flexible cable(FFC) alignment when inserting?
I have an MSR with an 8 pin FFC with contacts on one side. I don't know if there is a top and bottom and if so how to tell the orientation. There is writing on the contact side I assume to indicate ...
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2
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356
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Aligning PCBA on a plastic enclosure
I am trying to align a PCBA very accurately (within +/- 0.5mm positional tolerance) on a plastic enclosure. I'm thinking about using two 2mm diameter dowel pin that is press-fitted into the plastic ...
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4
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Why does unaligned memory read require extra clock cycles?
I believe I understand how memory reads work with the 8086 processor.
The 8086 has a 20-bit address bus and 16-bit data bus (multiplexed).
The memory module consists of two memory banks, and the LSB ...
0
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1
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How are complicated PCBs designed? [closed]
Firstly, I've always wondered how do engineers calculate the right parameters of components (caps, resistors, inductors, ...) in big projects, such as mobile motherboards and etc.
It feels rather ...
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3
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PCB enclosure tolerances [closed]
I can imagine problems of PCBs not fitting into their enclosures or misaligned screw/hole pairs. Are these type of problems common, especially with the dirt cheap enclosures?
I am planning to use one ...
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1
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Audio amplifier alignment procedure questions
I have a couple of questions related to the alignment procedure for the amplifier of Klipsch SW-12, a powered subwoofer.
Its service manual (link below) says the following:
(page 3)
COMPRESSION
...
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1
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815
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How can I align chips on PCB?
I am searching for a method/device for aligning chips with pins/pads underneath, like QFN, LGA, BGA and others. I've been searching the Internet, but I could find anything except expensive (several k€)...
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Centroid of component for pick and place machine using Eagle
Just finished designing a PCB and sent the Gerbers off to my board house (Bittele) and they have requested that I also provide them with a pick and place file.
Using Eagle, I ran mountsmd.ulp and ...