Questions tagged [library]

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27 views

Altium automatically adds footprint to new library component. How to solve it?

I have a problem with Altium and i couldn't solve it. When I add new symbol to my integrated library, by default it has 6 footprints and the symbol designator and comment is same every time (not ...
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0answers
5 views

Orcad 9.2 Library Problem

I just installed Orcad 9.2 but when I try to add the libraries from the Capture/Library/Pspice folder it says "Object not found" for any of them, although they are in the folder. Has anyone else ...
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1answer
57 views

RS485 communication between Arduino

I want to transfer data (only numeric values) between Arduino Nano and Arduino Mega 2560. I tried with my own code and tried with several libraries also. Arduino Nano code ...
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0answers
50 views

Different library for STM32 without interrupt, with interrupt or DMA?

I am an OO programmer, and since some time I'm spending time (as a hobby) with an STM32. For a hobby project I'm using a shift register (74HC595), and LCD. For both I wrote a class to easily ...
4
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1answer
172 views

How to name SMD packages in my Pick&Place library

I have massive problem with finding a correct scheme to name the packages correctly in my Pick&Place machine's library. For example: QFN-16 I have one QFN-16 with 6+6+2+2 leads and another QFN-16 ...
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28 views

Microchip MCC LoRaWAN Library support for newer PIC16 8-bit Microcontrollers

I am building a LoRaWAN enabled sensor using a PIC1618446 8-bit microcontroller and a SX1276 based LoRa Module. I found that Microchip has a MCC LoRaWAN library for helping with this task. However, ...
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1answer
212 views

LoRa RFM95/SX1276 libraries for PIC 8 bit microcontrollers

I recently finished prototyping a LoRa RFM95 transceiver with an Arduino Uno using the RadioHead RFM95 library. I am now transitioning to designing a PCB for my project and chose a PIC16F18446 ...
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1answer
40 views

Altium Component Device “Technology”

I am trying to design a component in Altium that has different orderable variants. For example, my component takes the orderable code XYZ-AAA where ...
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0answers
76 views

Should we use ieee.Numeric_Std_Unsigned?

I know that in VHDl, there is a multitude of library, I have come to the conclusion that the only 2 library that should always be used are: ...
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2answers
64 views

Where should be defined a device specific ISR when making a static library?

Suppose I want to make a static library (.a file), which contains an ISR. That library should be used by many AVR MCUs, but each device has different ISR vector name, so it cannot be defined in .c ...
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1answer
40 views

Altium database library management - Is it possible to edit same database lib by two people?

We are using Altium database library. But our concern is if an engineer is working on the library then another engineer who needs to add new part in the same database have to wait. Is there a way to ...
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0answers
27 views

mismatch in register delays between lib files and generated sdf file (Synopsis Design Compiler)

The recovery time in sdf file of register is unrealistic delay as it is 50ns and this not the only problem, but the same register in anther place in the design has recovery time 0.3ns ! and recovery ...
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0answers
32 views

How can I simulate “definitions” (DEF/ENDDEF) and to draw (DRAW/ENDDRAW) on LTspice, is it possible?

I have the circuit XR2211 described on "definition" with the commands DEF and ENDDEF, and drawn with the command DRAW and ENDDRAW. Working simulations in LTspice there are many information, but this ...
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0answers
16 views

Where to find StdPerieph Library for SPL programming with Nucleo-F746ZG?

I want to start SPL programming with Keil software. I did not find the StdPeriph Library for Nucleo-F746ZG board. Where to find the library on the ST website?
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2answers
360 views

How to create a static library for a UART sensor for STM32?

I am working on a project using the NUCLEOF103RB development board that interfaces with a fingerprint sensor over UART. I am using the TrueStudio IDE and would like to develop a "library" for the ...
2
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1answer
39 views

Hybrid library vs normal one

We use Orcad and we want to update our libraries. When we place a part and want to rotate it,we don't like the layout of the labels(names,values etc) and thus have to manually reposition them. It's ...
3
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4answers
509 views

How to use libraries with delays inside within a time critical STM32 HAL application?

I want to use a library for an LCD for STM32: LiquidCrystal, and possibly some other libraries. I noticed this library is full of HAL_Delay calls, not only during initialisation but also during ...
1
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1answer
37 views

Altium - Changing the libraries for completed schematics and PCB design

I made a design using a library (say 'All.SchLib' and 'All.PcbLib' where I have everything). Then I made libraries from the project (say 'projectA.Schlib' and 'projectA.Pcblib' which now contain only ...
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0answers
31 views

How can I change to metrics units in the “Pad template editor” in Altium 19?

I wonder how I can change the units in the pad template editor to metrics? I also wonder if I can change the default vias to look nicely! For me the default vias looks like this: However after ...
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0answers
200 views

I get error while using altium library

I made an integrated library using altium form my personal usage. Everything was OK but today when I want to use this library I get this error while try to use some of the components. [File Access ...
0
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1answer
89 views

Is it possible to change gain on Adafruit PN532

Is it possible to change the gain on an Adafruit PN532 board? I need to LIMIT the range in order for it to NOT interfere with another PN532 installed close by. The board is to be used with an ...
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0answers
84 views

Footprint panel is grayed on Altium Designer PCB

This is a project I imported from Eagle (not so bad by the way). I resolved all schematic compilation errors. But now I am facing some small issues in the PCB part: On the properties panel when I ...
0
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1answer
175 views

What is the binary format of the OrCAD .OLB files?

I want to auto generate .OLB files for my own components, so I need to either use Orcad Capture scripting, or alternatively write the binary .OLB files myself. Is there anybody that have seen a ...
0
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1answer
73 views

How to show or print all the parts in an OrCAD library (OLB) file?

I have a .OLB file for OrCAD schematic where there are multiple part in. I an open the .OLB file using File => Open => Library, and I can also successfully place parts in a design. From previous ...
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1answer
88 views

Eagle: Converting DXF circles to pads

Has anyone been able to convert shapes from DXF file to pads in Eagle? Is it possible to convert circles to Eagle pads? I have just arranged and positioned things using Fusion360 and now I want to ...
1
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2answers
566 views

edit component in *.intlib library

I have a previously used a resistor component in my project that originated from an *.intlib library. Now I want to use an alternate footprint. However, I cannot access the .schlib file of the ...
2
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4answers
287 views

Is there a way to write a generic GPIO code for MSP430?

I'm currently working on an MSP430 board and I'm trying to create libraries for it so I can easily use them on my project. I'm starting with basic Digital I/O functions. Say for example I need to ...
2
votes
1answer
280 views

“light_ws2812” library 10x slower than required (AVR C, ATMega328p int. 8Mhz)

So I'm trying to run some SK6812 (WS2812 clones) on a standalone ATMega328p. The output signal is too slow! I define F_CPU as 8000000 (8Mhz), both in the code and in the Atmel Studio Symbols, but my ...
5
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4answers
626 views

Altium parts management in a small startup

I recently joined a small startup as the only HW designer (working in Altium 18) and am looking for ways to optimize my design time without having access to a full-fledged CAD team. In my previous ...
0
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1answer
52 views

EAGLE Library sub directory

How can I keep multiple libraries of a similar type grouped, say multiple terminal blocks with a different number of pins. I want to have a drop down menu that says "Terminal_Blocks" with several ...
2
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0answers
155 views

Altium .CMPLib advantages over .SVNDBLib

My team and I have been tasked with overhauling our library management system for components within our Altium Designer tool set. I am trying to understand the advantage (if any) of adopting the ...
1
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4answers
568 views

Altium designer, The designator does not update when using update from libraries

I am fairly new to this forum and to altium designer. I am having a problem updating a transistor designator from Q? to T?. When I use the update from library in the tools menu, all the parameters ...
3
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1answer
78 views

Altium Component Part Description

A Component in the Library has 11 Parts. At the moment I get a Description for Component as a whole. Is there a way to change Description of each Part? What I have: a component have only one ...
1
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1answer
406 views

Altium chaning footprint's origin cause shifting on pcb issue

I needed to update all of my components in my library (shown in the images below), but when I update my project to new components, all of the components are shifting because of origin change. Is it ...
0
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3answers
489 views

Altium: Designing a switch with 3 pads, 2 positions but only single contact

I want to design a switch which commutes a single contact between 2 pins. I have drawn a schematic with 2 pins. IRL, the switch has 3 pads, one is unconnected. I can't associate the physical design ...
1
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2answers
274 views

What is this section category in Model Library Setup in Cadence Virtuoso ADE L?

I usually leave it at default while constructing circuit in Cadence Virtuoso. I didn't really understand what it is or why it is used for.
2
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2answers
179 views

KiCAD - Automating library part creation

I started a project in EAGLE, however found that the free version limits were too restricting. I then moved to KiCAD. I am trying to create a 144 pin chip as a library component for use in Eeschema. ...
0
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1answer
496 views

Add footprint to PCB Library in Altium

I inherited a project from an engineer who just left our company. In his (Altium) PCB Layout, there's a footprint on the board for a 2 pin connector, but it's not in the library. I need to edit the ...
1
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1answer
2k views

LTSpice: 74HCT Library - Setting 74HCT74 D F/F Initial State

I am using the 74HCT library from the Yahoo user group. I currently have two 74HCT74 D flip-flops in my circuit but I do not know how to set their initial state (Q = LOW for both). Is this done in a ...
0
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1answer
584 views

How to find SMD transistors library for Altium Designer?

I am new in PCB design, so excuse me if this is a bad question! I know the basic electronics and how to draw schematics in Altium. But about SMD parts, I am a little confused! How can I find SMD ...
0
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1answer
297 views

Eagle CAD default assembly variant

I got source files (.sch and .brd) but unable to use Add command to add components. The error message said: "The Add command can only be used in the default assembly variant!" I can't modify at ...
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2answers
2k views

where can I found STM32L4 DSP and standard peripherals library? [closed]

I want to use standard peripherals library for stm32l476rg(stm32-nucleo). But I could not find it. I dont want to use HAL Library. Do you any suggestion?
2
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1answer
8k views

What is the use of 'import' in SystemVerilog?

Once a package is included the file is compiled. Then why it is required to import same package ?
0
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1answer
462 views

Eagle: library with only common packages

is there some library with only common packages, but not compsed with devices? I use components from many sources and either I would end with tons of librarioes, or with tons of differnet models (...
3
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5answers
821 views

What's the best way to organize components database?

Thinking of building a local components database which maps company part number to multiple manufacturers. Assume SQL type thinking. Option 1. One table with company part numbers as primary key, ...
1
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2answers
2k views

I2C Code Composer Studio example for MSP430G2553

I've been scouring the forums for a complete I2C implementation for MSP430G2553 using Code Composer Studio. All I can find are code snippets out of context or single byte examples. I need to figure ...
0
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1answer
91 views

Trouble finding an NJM2360D Boost Converter EAGLE library [duplicate]

I am doing a Senior Design Project for my Electrical Engineering degree. This project involves making a PCB. I am having trouble finding a specific library for EAGLE 7.7.0 software. The library that I ...
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2answers
2k views

How to copy a polygon in eagle from one layer to multiple others in library (package) editor?

I have to layout kind of several boiler plates for layouts. I thought of designing it as a package in the library editor. Some drawing elements have to be present on any layer and some other have to ...
1
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0answers
367 views

What is the compiled size of Semtech LoRaMAC node libraries?

I'm trying to determine if the microcontroller I intend to use for a project will have enough flash memory for my preferred SDK and also the LoRaMAC libraries. Does anyone know roughly what the ...
0
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1answer
308 views

Altium Schematic Library Ready for BOM

I have taken an old project from PCAD and loaded it into Altium and it works great. Now in the project the same footprint was used for each different component with the same footprint. For example, ...