Questions tagged [software]

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My 16x4 LCDs are printing out junk [closed]

I have checked every other post on this, and no solution currently works and need an opinion. I have an LCD (P/N: FC1604A01-RNNYBW-66SE) that is being powered by 5 V and is controlled by a 3.3 V ...
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How to flash memory when there is no sector information?

Currently, I am trying to flash WCT1013A. As I see in the datasheet there is no sector information. If I do not know about the sector information how am I going to flash the memory?
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Software Tool for collecting components in database

I have a lot of electrical components in the boxes. I would like to have information about parts in database. Do you use some software or you have any open source for it? I need something free easy ...
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An alternative to CADe SIMU

CADe SIMU is a industrial circuit drawning and simulation software. I have troubles with the icons size and some bugs, so I am looking for an alternative to CADe SIMU. I found good softwares to draw ...
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How to control voltage using PID when driving SCR?

I am designing a scr based digital battery charger for the first time and have successfully driven scr to provide 110V-DC from a 140V singe-phase transformer. 2 SCR-diode combination forms full bridge ...
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TDA0161: software for simulation?

In what simulation software can I run a circuit with a TDA0161 proximity detection IC?
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5 votes
2 answers
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Themes / color schemes in LTspice?

I was wondering yesterday if there are any theme / color scheme manager for LTspice. There are times you want it on light mode, and times when dark mode suits better. Google didn't yield any results ...
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Reading IMU Outputs Faster

I have a circuit which has: STM32F446RET6 MCU 2 IMUs 1 Barometer Sensor 1 Micro SD Card Module 1 External Flash Chip 1 GPS Module 1 LoRa Module And when I try to use all of them in my code I can ...
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2 answers
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Orientation calculation from gyroscope data

I am integrating gyroscope values to get orientation data, but I have a few problems with my code. When I move my IMU and make like 100 degrees, the IMU can detect the movement somewhat accurately. ...
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232RL as COM port: Recognize the device on commercial product - from the software's perspective

I am making a device that uses 232RL to translate from UART to USB and windows see a COM port. The connections are like so: simulate this circuit – Schematic created using CircuitLab I want to ...
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1 vote
1 answer
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Altium schematic symbol weird behavior when rotated

Hi I am not new to Altium however I am facing a problem that I think is in the 2020/2021 versions. the problem is that schematic symbols drawn using IEEE symbols (inverter in this example) is working ...
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ATmega 2560, additional software serial port advice

I am trying to make a project with an ATmega 2560 microcontroller. I need 5 UARTs, but the microcintroller has only 4 of them. I want to connect 4 of them to RS485 and 1 additional software serial to ...
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Porous silicon simulator

What software does porous silicon simulations? I didn't find it in my searches. The closest was TCAD Atlas, but it gives more prominence to cmos. I would like to know if there is (names) software that ...
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Sending an impulse to oscilloscope from software?

I am currently trying to measure the time it takes from [the moment a flag is set programmatically in software before rendering some graphics] to [[the moment the graphic is actually displayed on the ...
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1 answer
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Using the UBT-12HC Serial Bus Motor with Arduino

I recently bought this motor and am trying to figure out how to use it. I also need a driver as this Bus Servo uses omnidirectional Serial communication. That is why I also bought this TTL board. I, ...
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2 votes
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Image recognition for PCB - is this available?

I have a populated PCB, and I want to draw a circuit diagram of it. For printed documents, you have OCR which can recognize text in an image. Is something similar available for PCBs? i.e. I provide ...
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4 answers
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What is the distinction between software & firmware? [duplicate]

I've started learning about embedded coding. The words 'firmware' and 'software' are a bit ambiguous to me still. My understanding is that software is high level language tailored for user interaction,...
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How to simulate magnetic field of a toroidal solenoid?

I am trying to simulate the magnetic flux inside and outside of a classic toroidal solenoid. The simulation must be able to simulate a toroidal solenoid with several densely wound layers of copper ...
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Unpowered ATmega in a powered circuit

I have an application involving an ATmega328 which may be powered while the ATmega is not. The circuit is an led driver (operating at 24V) which can be controlled either by potentiometers or digitally ...
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What's the tradeoff of amplifing the output of an inverting op-amp in software vs using a higher feedback resistor?

Suppose I have an inverting op-amp (part of a trans-impedance amplifier circuit) that gives me a slightly-positive-but-small signal, and the output goes into a ADC. I have two choices: Increase the ...
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Transistor simulation not working properly in Proteus

I'm recently working with Proteus. So I created a simple schematic for a transistor to work as a switch. But when I simulate it, it doesn't work as it should. In the picture below you can see that the ...
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4 votes
2 answers
1k views

Why use const variables instead of preprocessor directives when programming embedded with C++

I read on here that when programming with C++, const variables are better than preprocessor directives, ie #define, for declaring constants. I'm confused about why that is the case. I understand that ...
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What are the tradeoffs between a single HID descriptor/endpoint with multiple reports vs multiple HID descriptor/endpoints each with a single report?

Consider the two following setups: Setup A: Single device with a single HID descriptor and endpoint pair, whose Report descriptor contains multiple Collections and Report IDs. Setup B: Single device ...
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Simulating the capacitance of two (perfectly conducting) metal rods

I have two (perfectly conducting) metal rods (with a diameter of 10mm and a length of 150mm) which i put up (with a distance of 100mm from each other). Now I want to measure the capacitance of the two ...
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1 answer
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How do I EM-Extract a subcircuit and define a different em/drawing-layer than the original circuit in AWR?

I have a 4-layer project in AWR/MWOffice and have built a parameterized microstrip inductor schematic (named "spiral") with a "Line Type" of layer1 that I wish to reuse on another ...
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4 votes
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Using Git version control software with IAR Embedded Workbench

I have been using Git / Bitbucket to manage versioning for Altium and MPLAB and have recently started using IAR for the STM8 series MCUs for a series of projects. Is there any Git integration to IAR ...
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Identifying a schematic file and converting for use in Altium

I have a few schematic files which I need to open up in Altium, they are all *.sch files and when opened in Altium appear completely blank. When opened with a text editor they do appear to have all ...
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1 vote
2 answers
859 views

Programming a Microcontroller - JTAG and SWD

I have this Microcontroller - S32K118 64 pins. I want to load my software datafile into the microcontroller using the debugger mentioned below. I am using this J-LINK Segger BASE debugger model to ...
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FlatCAM black plotting area problem

I am trying to learn to use this software called FlatCAM that converts gerber files into gcode. The problem is that my plotting area is completly black, and when I open the gerber files, I don't see ...
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1 answer
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Is there good inductor calculation software? [closed]

What's a good software package for calculating all-around parameters related to inductors? Not necessarily simulating them, but just static analysis with common quantities of interest. I've used ...
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Software identification of a DIY (guitarist) CAD application

I know there is a reasonably popular tag for component identification, however I have a question about software identification. Before I used KiCad (when started with electronics), I used for a while ...
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-1 votes
1 answer
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Is it possible to hack/edit a camera's software to add custom features? [closed]

I am not a programmer but I am curious if it's possible to hack my Canon camera to be able to work in sync with a custom gimbal that I'm thinking of building. I want to add an object tracking feature ...
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Built in Self Test - In Embedded memories

I am reading this thing called -BIST (Built in Self Test). I understand that, before a module enters its intended functionality, this BIST is made to run within the module. Once, this BIST is passed, ...
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2 answers
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CADENCE: layout error

I'm having problems contracting, in CADENCE for some modification that I can't use the layout, I normally did the INVERTER and AND ports, but when I get to the NAND port there are some errors, a ...
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4 answers
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How to indentify which PCB revision at runtime? [duplicate]

I have a board going out into the wild which we know over time will be revised for various reasons including cost, EOL components, reliability etc. We will also be providing firmware update on an ...
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2 answers
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Embedded hardware from software developer point of view

for the first time I have been facing a task to develop software for a given embedded hardware (Xilinx Zynq 7000 - datasheet) from scratch. The software which I am going to develop will control ...
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CADENCE wireless connection

I would like to know if you have a way to call without needing a line of communication at CADENCE? See the example in the PROTEUS software image, at the time I made the connections without needing ...
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  • 343
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1 answer
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Power output in an Arduino using analogwrite()

I understand that using arduinowrite(anynumberoutput,0-255) will give me a average voltage output x/255 *5v to be outputted from Arduino. Hence, when this question ask, An PWM is generated by the ...
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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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1 answer
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Software for computing AC resistance in a transformer - Proximity and Skin effect - Dowell Equations

I'm looking for a software which can compute the losses (or just the AC resistance of the wires) in a transformer due to proximity and skin effect in function of the different parameters of a ...
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1 answer
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How do BIOS controls/settings affect hardware?

What exactly happens when you change the configuration settings in BIOS? Does it change some register value in the subsystem's register set directly?
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1 vote
1 answer
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Simulation circuit program open source

I need to perform circuit simulations and from what I have been able to see the programs that are most used for this practice are Proteus and Multisim. But such programs are not open source. I have ...
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2 votes
1 answer
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Unknown schematics

I'm trying to open some circuit schematics for some equipment I have in my lab. However, they were designed some time ago (2013) by an unknown technician with an unknown program. There are two folders,...
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1 vote
1 answer
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Best practice for handling buffers

I'm writing some evaluation code with a lot of rx/tx operations, using the same two buffers and I started to think about how this could easily go very wrong. I can argue that it is nice to clear/...
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0 answers
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RF Communication Simulation Software

I was wondering about free software for modelling RF communications, such as creating a transponder equipment line up, changing equipment parameters etc and modelling performances like BER, S/N, Phase ...
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0 votes
2 answers
958 views

Troubles connecting microcontroller STM32 NUCLEO-F401RE as a USB device to PC

This is as much a software question as it is electronics question, but here we go. I am very new to STM32 micro controllers and I've been sitting with this problem for the last 3 days of so My goal: ...
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3 votes
0 answers
139 views

Circuit drawing software

Does anyone recognize the software in whitch these circuits were drawn?
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3 votes
0 answers
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Importing EasyEDA project to EAGLE

I have a problem with uploading my EasyEDA project to EAGLE. Is there a way to open project from EasyEDA in EAGLE, I'm unable to find anything about it. EasyEDA exports files in .json format.
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22 votes
6 answers
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How do you structure large embedded projects? [closed]

Background: Junior R&D electronics engineer (the only EE in the company) - the hardware and the coding is not the problem. My biggest issue is getting a proper overview of the project, and where ...
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Chua's circuit's pattern not fully shown

I have made a Chua's circuit, and hooked a soundcard oscilloscope to it, to measure the voltage across C1 and C2. Circuit diagram: Source:Kennedy 92(pdf). Software used: soundcard scope. The ...
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