Questions tagged [library]

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29 views

I can't see my new PSU symbol in Eagle

I am new to Eagle having just returned to my hobby after many years and decided to use Eagle. I need a 1v8 supply net, and so followed the guidance and created my own supply line in my own library. ...
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1answer
24 views

Altium Library Issues- Replace uknown schematic library with know library

I am using Altium 20.1 and my question is regarding the sch library. I generated a schematic library and I want to use that as my default library for the components. When I try to update the schematic ...
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15 views

Eagle LBR Connector, Re-designing foot print / placement

I want to place a connector position on edge on pcb. I don't have this lbr. How can I convert this ? Currently this is the library I have And this is the kind placement I want to design Ignore the ...
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1answer
49 views

Library for easily interfacing with USB tranciever

Im very new to the field of anything USB related, sorry in advance! I hope my question is clear in conveying my level of understanding and of what I wish to learn. My project involves connecting a ...
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2answers
47 views

RAST 2.5 pcb design

Currently I am designing a pcb and I need a RAST 2.5 connected to my board DIRECT MATING as seen as picture below (example from google). But as I am searching in the library, I am using EAGLE, I ...
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3answers
124 views

KiCad footprint or supplier footprint?

I download symbols and footprints from the component supplier into a project's library to go faster but I realized that many of the standard components footprints are slightly different in KiCad, like ...
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1answer
69 views

PSpice library for a speaker?

I am trying to simulate a current driver using TIP31 transistor for a speaker with known resistor and wattage. Can anyone please help me find a PSpice library for speakers? If there is not a library, ...
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1answer
140 views

Altium - cannot find standard parts

I am slightly new to Altium and I've not run into such a problem with other EDA software. I use version 20. I can find simple stuff like resistors in the included library and at least a few ...
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1answer
33 views

In Altium Designer how do I navigate to the component editor from the PCB layout screen?

I am teaching myself Altium Designer 2017 coming from EAGLE. If I want to edit a component in EAGLE I can right click on it in the board view and then click "open footprint". Is there a similar ...
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1answer
74 views

How to integrate external library into KiCad

I am using KiCad (5.1.5). I got this self-made library from my lab mate he told me to make some changes to his schematic. Inside the folder that he gave consists the following folders and files: ...
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1answer
37 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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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
63 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
55 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 ...
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1answer
177 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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48 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
494 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
114 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
70 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
45 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
35 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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2answers
678 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 ...
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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 ...
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4answers
593 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 ...
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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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1answer
126 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
126 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 ...
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1answer
257 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 ...
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1answer
91 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
130 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 ...
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2answers
732 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 ...
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4answers
358 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
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1answer
318 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 ...
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4answers
668 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 ...
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1answer
56 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 ...
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0answers
168 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 ...
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4answers
743 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 ...
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1answer
79 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 ...
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1answer
464 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 ...
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3answers
529 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 ...
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2answers
313 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.
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2answers
201 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. ...
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1answer
646 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 ...
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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 ...
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1answer
614 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 ...
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1answer
331 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?
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1answer
9k 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 ?
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1answer
483 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 (...