Questions tagged [error]

An error is the unwanted operation of an electrical / electronic component or system resulting from malfunctions. Use this tag if you have something that doesn't work as it should, or doesn't work at all.

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Signs of a failing CCD?

(If you don't want to read the story feel free to skip forward to the symptoms & questions) Story I have a Samsung NV-8 (it was a great camera until some time ago) that I use to make detailed and ...
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2 votes
1 answer
42 views

Why does this file give me "syntax error: I give up." in EDA Playground?

This is my original file saved as "design.v" ...
1 vote
1 answer
53 views

When calculating energy from a pulse measured with an oscilloscope, will the timestep always contribute a relative uncertainty of 1/2?

I am trying to calculate the energy delivered by a short electrical pulse. I am using an oscilloscope to capture the waveform and then exporting it to a CSV file. My scope took measurements at a rate ...
1 vote
0 answers
35 views

Attiny88 with Micronucleus: Flash write error -1 most of time

I have this board with an Attiny88, a pin compatible Nano 'equivalent': I want to build a simple motor controller however most of the time when I upload a program I get this error: ...
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1 vote
1 answer
61 views

Error in OrCAD: circuit too large

I am trying to simulate the elliptic filter in OrCAD and I am getting the error: circuit too large. I have attached the screenshots of the circuit and netlist below:
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0 votes
0 answers
52 views

Altium Designer schematic opening error

Sorry about that I am asking this question here, I had designed a schematic before in previous version of Altium Designer after fully uninstalled 20.2.7 version then I updated my Altium Designer to 22....
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1 answer
87 views

CAN Bus error frame in PWM driver

I have a CAN communication problem with my PWM RGB LED driver. I have a controller and a PWM RGB LED driver. The controller sends messages to the LED driver about what the PWM duty cycle of the RGB ...
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0 votes
1 answer
130 views

ADS-syntax parser error in `<ADS netlist>', line xx: syntax error

I have the problem with ADS when I am simulating my schematic design. Here is the error message: ...
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0 answers
45 views

Internal timestep 2.45482e-13 too small at time 5.73394e-13 - ADS error

I want to do transient simulation in ADS. But I encountered with an error shown completely in the following message: Simulation message: ...
1 vote
2 answers
43 views

CANbus Error Handling

I was wondering how the CANbus reacts to incomplete, irregular messages. For example, lets say a node on the network was hacked or compromised and sends only the SOF bit and the 11-bit identifier but ...
5 votes
2 answers
434 views

Thermocouple circuit not outputting expected values

My application requires 11 thermocouples to be sampled and logged. Below is the circuit diagram, containing a differential and common mode filter, non-inverting amplifier (gain 111) and a second order ...
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1 vote
1 answer
48 views

LTspice: conditions values measurement in error log automatically

I am trying to measure automatically values according to another value on the schematic (.meas values in the log error). Here you can see what I would like : In this case I want in the spice error ...
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1 vote
2 answers
148 views

LMG1210 application in LTspice

Could you help me with the driver LMG1210 to work in LTspice. On the TI website there is only Pspice model LMG1210, so I used auto-generation to work with it in LTspice. However, when running the ...
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1 vote
2 answers
100 views

How output is not zero if error is zero in control systems

In a classical negative control scheme where we have a plant and controller in series and no disturbance. The system is designed such a way to make output is equal to input no matter what problems ...
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0 votes
1 answer
54 views

Crystal oscillator error due to ppm

In this link, the accepted answer states that there may be an error of 1 minute per month if the crystal ppm is 20ppm. Can someone help me with the math of how the error of 1 minute is arrived?
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4 votes
1 answer
112 views

If function error in LTSpice

Hi I am trying to simulate a model of a paper in LTSpice but I get an if function error which says "Syntax error: function if(): requires exactly three segments" These are the code of the ...
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3 votes
1 answer
101 views

In LTspice, why does having these two transformer models create an error?

I've run this circuit with all the inductors placed in the circuit with the appropriate 'K' commands and, although deeply slow in the simulation, it works just fine. When I've placed them into models ...
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5 votes
1 answer
168 views

Voltage on battery-backed SRAM somehow higher than both battery and regulated supply

I'm using an AS6C1008 SRAM chip, and I'm having an odd issue with it. The voltage supply going to this chip is created from a stiff 5V supply (VDD) and a 3V backup battery (CR2032), diode or-ed ...
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2 votes
2 answers
117 views

How to minimize the effect on DNL error from this opamp circuit?

By using the following single LM324 circuit, I create amplified bipolar outputs from a 16-bit 0-3.3V DAC output as follows: My aim is to minimize extra DC error due to the above LM324 circuit ...
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2 votes
1 answer
108 views

What is the proper way to handle a status led when HardFault_Handler or any error is raised?

I am trying to implement a very basic status indicator using an STM32 - Basically I would like to toggle a RED LED when a fault is triggered by the MCU. Naively I added a toggle LED function in the ...
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0 votes
0 answers
64 views

Analog pins showing incorrect data. Only from 0 to 255

A month ago, I connected a joystick with an Arduino Uno. VCC with Arduino 5v, GND with ground and Y axis with analog. I tried all, but the error persist with all 6. A month ago, in the serial monitor ...
26 votes
1 answer
1k views

Laptop motherboard not working, quiet clicking noise

Intro how it happened: I had cleaned my laptop from dust and reapplied the thermal paste. After this i have reassembled the device than it did not turned on. Then i took it apart connected the fan and ...
0 votes
1 answer
53 views

Weird values from ADS1115 chip and remote I/0 error

I am using a ADS1115 chip to read the values from a potentiometer and then transfer them to a raspberry pi zero w. I wired the potentiometers, so that on the left would be the lowest. GND - DATA - VDD....
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0 votes
1 answer
196 views

Syntax error Begin statement HDL 9-806

I have an error in the form of HDL 9-806 on the begin statement. The code below is a button based sequence detector an addition LED flash when sequence is correct with a debouncer to stop multiple ...
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-1 votes
1 answer
107 views

Net PWMA_IC3 contains Multiple Input Ports(PWMA,PWMA) [duplicate]

I have to give two different PWM Input to my two Gate driver ICs my design. i have taken two output ports PWMA and PWMB hoping, I will make them 180° apart in phase in programming. 2)I want to give ...
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1 vote
0 answers
40 views

How to fix Texas Instruments DAC81408EVM Internal Oscillator error

So I'm working with Texas Instrument's DAC81408EVM (https://www.ti.com/tool/DAC81408EVM) as an external DAC for a project I'm working on. I'm posting here because TI's forum won't let me ask questions ...
1 vote
2 answers
308 views

Attiny85 Burn Bootloader Error [Device signature = 0x000000] [SOLVED]

I had read in different forums about similar issues and double-check the connections and datasheet. But it's still not working for me. First of all, I will share my build and my configuration. Later ...
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-2 votes
1 answer
67 views

How to perform quality assurance? [closed]

The site description is given as "Q&A for electronics and electrical engineering professionals, students, and enthusiasts" and I'm interested in "QA for electronics". Though I ...
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-3 votes
1 answer
62 views

Find the range of uncertainty? [duplicate]

The problem says that an ammeter has a 30 mA upper measurement limit and its accuracy class is 2%. For the relative measurement error when measuring 22 mA, I found it is2,7%. I used the formula h(%) = ...
0 votes
0 answers
44 views

Am I reading the multimeter uncertainty correctly? [duplicate]

I am using a multimeter that has an uncertainty (from the manual) of 0.5% plus 5 digits in DC voltage measurements, 4V range. I have a reading of 1.6172 V. That means an uncertainty of 0.508 V. Isn't ...
0 votes
1 answer
98 views

Type of X is incompatible with type of XXXX

I have the following code(I'm pretty new in VHDL): ...
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1 vote
0 answers
65 views

Servo creates a constant "angle error" depending on its original position

I am trying to set a servo to move to the same angle always when given the same PWM signal. I am using a Savox SH-0262MG. I have an issue when I first move it manually (with my hand) to one of its &...
0 votes
1 answer
89 views

How can I make output voltage bigger for this stabilizer?

For my project I have to design an voltage stabilizer with 5V on input and 3.3V on output.In order to do it , I selected a Zener diode for my reference (D1 and R1) , A divider for negative reaction (...
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1 vote
2 answers
625 views

Why am I getting the error "nets with possible connection problems" on my ground pins in Altium?

Can somebody please explain why I am getting errors on my ground pins when connecting to a GND port? As you can see the pins are defined as POWER type. The error is "Nets with possible ...
0 votes
0 answers
175 views

Pin Swapping Not Available?

I am a bit of an Altium novice. Designing a board and trying to use the "Route Guide" in PCB ActiveRoute. However, when I try to lay out a guide with selected pads and hit ActiveRoute, ...
1 vote
1 answer
1k views

How to fix STM32 Stuck with error ST-LINK error (DEV_TARGET_NOT_HALTED)

I have a custom board with a STM32H7A3ZIT mcu. I'm programming it with a ST-Link V2 via SWD. I'm trying to get an external hyperbus ram working, and immediately after programming the mcu with some ...
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2 votes
6 answers
617 views

Blink when input is constant?

I would like to have a status LED to make sure my microcontroller software hasn't faulted. From software, I will alternate an output so if it dies, the output will be constant. I want the status LED ...
0 votes
2 answers
197 views

Checkered Pattern on Altium Traces

I'm seeing a checkered pattern on a couple traces in Altium I'm curious as to what it might be, how to remove it, and if it might be the reason I can't save. This is the error I'm getting when I try ...
0 votes
4 answers
198 views

LTspice error, "Matrix is singular" for 3 phase circuit

I have been searching about it online but all I can find is info about a transformer. Am I missing something? Here is the circuit: This is the circuit I am trying to make:
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0 votes
0 answers
40 views

Stepper Motor Driver (2CM560) ERR ports

I have a Kinco 2CM560 stepper motor driver. There are 2 ports on this driver named "ERR+" and "ERR-" that I can't figure out fully what is their functionality! why we need this ...
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3 votes
1 answer
81 views

Simulation Error in Circuit Lab with 2 Dependent Sources

simulate this circuit – Schematic created using CircuitLab I'm practicing some problems and came across this circuit. It asks for the Thevenin equivalent with respect to terminals A and B. I ...
0 votes
1 answer
64 views

Error " Too few nodes: draw " for my simulation High-side driver VN820PT-E

I get a model error in LTspice from adding a high-side driver, VN820PT-E for my library. But after simulation, I have an error message. " Too few nodes: draw " . I don't understand this ...
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0 votes
2 answers
104 views

I keep getting this error but don't know why "Invalid input. - input required but omitted"

Please help me by checking if my program is correct or giving the correct ladder program. I keep getting "Invalid input. - input required but omitted" this error for all the variables in ...
0 votes
0 answers
39 views

occasional EEPROM corruption in phyCARD

I am trying to find a root cause for corrupted EEPROM in phyCARD PCB. PhyCard is so called "System on Module". You can find some more info here: https://www.phytec.eu/product-eu/system-on-...
0 votes
0 answers
53 views

Getting an error in Proteus while simulating the following circuit

I have built a circuit with a series of bandpass filters to detect specific frequencies. While simulating the circuit on Proteus, I was getting the following error. I tried looking for a solution to ...
0 votes
1 answer
288 views

Total voltage error at the output of the Op-Amp

I have this circuit (shown below), I need to calculate the total error voltage at the output of the Op-Amp due to R3 and Vos. U1 is the LM741, which has Vos = 5mV and ib = 80nA. Till now I’ve ...
0 votes
1 answer
90 views

Solution to unknown function 'v' for a voltage source in LTspice?

I have been getting this strange error. Has anyone else experienced this kind of error beforein LTspice?
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2 votes
2 answers
172 views

Microchip's pic-as throws syntax error on macro define

I have a file with a name like xxxx.asm in it I have: InitPORTA MACRO pic-as throws a syntax error on this line. The code ...
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0 votes
1 answer
93 views

Re-annotation from pcb now means my components are linked with different designators

After placing my components I re-annotated from the PCB to get positional annotation. This worked fine. But I've just noticed that components on my PCB and schematic (whilst linked, i.e I can click on ...
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0 votes
2 answers
165 views

How should endpoint report error for TLP over PCI Express (PCIe)?

On a Windows system there is a PCI Express (PCIe) endpoint device with an application design that handles TLPs from Windows. The design is being updated, and I want to leave out some previous ...
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