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Questions tagged [library]

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0
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1answer
26 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 ...
1
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0answers
58 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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0answers
40 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
29 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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0answers
25 views

Mentor Graphics Dxdesigner (Databook and Central Library) and iCDB Server

I am new to the Mentor Graphics VX2.2 Schematic tool. Can someone help me with the difference between the Databook and Central Library? I am using the components from the databook only. But what is ...
0
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1answer
33 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 ...
0
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0answers
16 views

Creating footprint in Eagle library: Connect pads with wire

I'm creating a library with a footprint of a capacitive switch/button. I created two pads for the switch. Now I want to connect the wires of the switch to the pads to not generate any errors anymore. ...
1
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2answers
115 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
149 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
162 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 ...
4
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3answers
456 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
32 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
95 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 ...
0
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0answers
13 views

VirutalWire and CapacitiveSensor

I'm trying to make a touch sensor using CapacitiveSensor.h and send the data to a computer using another arduino, a few 433mHz transmitters and recievers, and VirtualWire. It worked fine, but the ...
1
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3answers
269 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
74 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
218 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
306 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
166 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.
0
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1answer
267 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
vote
1answer
788 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
381 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
212 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
1k 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
5k 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
311 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
665 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
votes
1answer
77 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 ...
0
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2answers
1k 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
291 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
300 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, ...
1
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2answers
359 views

SOT23-3 Pin out: IPC or Datasheet?

IPC-7351 gives a pin out and a 0 degree rotation for SOT23-3 packages; but, IC vendors use many different pin numberings. When I make my library component should I use the IPC pin numbering for all ...
3
votes
1answer
137 views

Altium - line spacing between the parameters in the schematic symbol

Does anybody know how to change the line spacing between the parameters in the schematic symbol without disabling the autoposition feature in Altium Designer? If I change the font (smaller) of the ...
1
vote
2answers
406 views

Altium: problems with generation 3D body with IPC component wizard

I'm a big fan of this feature embedded in Altium. However some of the component generators have flaws: Chip resistor and chip capacitor generators making me a wrong component height (despite the "...
1
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3answers
3k views

Add with carry in VHDL + operator

As I checked some documents about library ieee.std_logic_arith it seems resulting length of A+B will be 64-bit when both ...
0
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2answers
130 views

Pin management in Altium Designer

Introduction I'm new to Altium and trying to find the best workflow for it. The main concern for me is a library management. I found some ready to-use libraries: PcbLib from my colleague (it is the ...
2
votes
1answer
3k views

Straight forward method of adding encrypted third party models to LTSpice's Model Tree

I have >20 different types of MOSFET from fairchild that I would like to add to LTSpice's model tree. Fairchild encrypts their libraries. What is a straight forward method of adding their libraries to ...
4
votes
1answer
3k views

Altium Default Font

I want to change all default fonts of Altium to Arial, specifically in the Schematic. Right now they are Times New Roman. I changed my system font in my template but that doesn't seem to effect the ...
1
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0answers
120 views

Is there a .NET IVI library for the Tektronix TBS1052B?

I have a Tektronix TBS 1052B meter that I would like to control over a USB port, in a Windows/.NET environment. I am looking to use the IVI foundation's interface libraries in order to do this. I am ...
0
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1answer
1k views

Cadsoft Eagle Library: How to create device variant?

I'm creating a custom device in Eagle Library. Generally I need two device, let's say they're CONN2.54_1 and CONN2.54_2. These two devices are connectors, they both have 4 pins, thus they have the ...
0
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1answer
420 views

Creating a new library: Pin association to footprints [Kicad 4.0.2]

I'm trying to create a library for Lipo battery connectors. I started with the most common connector XT60. I drew the schematic, and then drew the footprints. On Eeschema, I can connect my XT60 to ...
1
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0answers
205 views

Copy component from Library to another in Altium [duplicate]

I am creating a new schematic library in Altium Designer and will add different "New Components" on it. Since I already have similar components in another library, so I want to copy some components ...
5
votes
2answers
6k views

Adding Photodiode to LTspice

I am very new to LTspice. I would like to ask "How can I add a photodiode in the Ltspice?" Is ideal photodiode (or any specific) model already included in the LTspice or do I need to create third ...
2
votes
1answer
2k views

Import P-CAD library files to Altium

I have an old P-CAD library file and need to import it to Altium. The library file format is .LIB I tried to use Import wizard -- P-CAD Libraries and select the file. But I receive a messeage; the ...
1
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1answer
1k views

Eagle CAD Multiple individual parts in one device

Good day, I am trying to place multiple parts in one device. My use case is a foot print for a XBee chip. The device has two identical 10 pin 2mm SMT headers (NPPN101BFLC-RC: digikey link). There is ...
1
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1answer
179 views

Altium: Access Database Library - Only “Library Ref” Appears In Lib Panel

Over the past couple of days I have been experimenting with Altium's Access database library feature and have run into an issue. I have a test database and Altium seems to be reading from it without a ...
1
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1answer
2k views

Altium Library *.LIB to *.IntLib

I just downloaded a model from the TI website for the following component : REF3325. I need to put it in my schematic in order to simulate it after. But in the .rar I downloaded, there is only a *.LIB ...
2
votes
2answers
6k views

add transistor model to LTspice

I'm trying to add the mmbt3904lt1g model to LTspice. - I've copied its data from the MMBT3904LT1.LIB.txt in the standard.bjt library. - I've added an NPN to my schematic then I've changed its value to ...
1
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2answers
9k views

How to find parts in OrCAD / Allegro

I probably spend most of my time in OrCAD / Allegro schematic capture just trying to find relatively simple parts. I'm assuming I'm missing something critical, as I've never had any formal training ...