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1answer
35 views
2
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1answer
132 views
Deep sleep mode consumption of PIC
I would like to know why my PIC which when I put in to deep sleep does consume more than what is specified by the datasheet. I have connected a precision current meter and found that when I load the ...
0
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1answer
75 views
What are these hardware components, and how do I control them?
My father received a video card in the mail last week. He gave it to me and I dismantled the card to get to just the video player and other components.
The labels here are based on my experience ...
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2answers
48 views
Verilog code synthesis error
I'm having problem with my verilog code when I synthesize it. It shows multiple drivers error. I think may be it's because of multiple always blocks I'm using in it. So how can I fix it!!? Here it is:
...
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0answers
37 views
Characteristic equations for counters
I'm new to Electrical Engineering and need the characteristic equations for a 2- and a 4-bit-synchronous-counter like this one.
I need them for the BCD-Code Aiken-Code, the 3-excess-Code, and the ...
5
votes
2answers
368 views
How to visually tell the difference between axial inductors and common resistors?
Is there a simple way to tell axial inductors and resistors apart in through-hole type PCBs? I do find the color code on both very confusing. Is there an obvious difference that I am missing? As a ...
3
votes
4answers
220 views
Available Guidelines for Interrupt Driven Processing
Are there any available guidelines for the amount of code to have in a critical section of interrupt driven processing?
My personal rule of thumb is that the critical portion, (i.e. that between ...
1
vote
1answer
254 views
Problems with LCD initialization: 4-bit mode
I have this microcontroler with this LCD(DEM16216) mounted on it which I cannot initialize.
Only 4 of the pins are connected, thus it runs in a 4 bit mode (I think?). I found the datasheet for it ...
1
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0answers
312 views
Ufer ground in home foundations — NEC code / copper conductors [closed]
Here's the relevant NEC code (2014) for the question I have:
NFPA 70
250.52 Grounding Electrodes.
(3) Concrete-Encased Electrode.
A concrete-encased electrode shall consist of at least 6.0 m (20 ...
1
vote
1answer
103 views
Barker code autocorrelation
How do you auto correlate the following Barker code? I tried to use the formula on Wikipedia's page but it did not make sense to me.
+1, +1, -1, +1
8
votes
5answers
426 views
What tools or standards can be used to improve embedded C code reliability?
I typically program PICs in C, usually for switched-mode converters. I've heard of various static analysis tools and standards like MISRA C that can be used to help improve the reliability of code. ...
