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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5k views

Eagle Clearance Error on DS2784

I am using the CAD drawing for the DS2777 from Maxim Integrated. http://www.maximintegrated.com/en/design/packaging/cad/?phase=proc&return_url=http%3A%2F%2Fwww.maximintegrated.com%2Fen%2Fdesign%...
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1answer
3k views

Proteus error “Stack overflow is forcing device reset”

I used PIC18F452 microcontroller for my project. And I'm using mikroc pro software. My code compiled successfully. But in proteus, it will give the error "Stack overflow is forcing device reset". And ...
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1answer
95 views

Understand Atmega168P Datasheet

I am in the process of reading through the above mentioned doc from here. In page-21, second paragraph in section 8.5 I/O Memory, line 6 is given as below: When ...
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1answer
1k views

PIC datasheet is unclear on clearing framing error

On the PIC16F1829, FERR reflect the framing error status of the top byte in the two byte serial receive FIFO. Thus, assuming no new bytes arriving with framing ...
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1answer
337 views

What does “no design unit detected in this file” mean?

I got this error then I tried to add a source file. Can anyone tell me what this means? What should I do to correct it?
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1answer
308 views

An error in using FIFO block in system generator

I have designed a circuit in System Generator. I want to put a FIFO at the output before out gateway as shown in the below picture When I run it I face to the following error I should connect the we ...
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1answer
260 views

What is the distortion introduced by a multiplexer?

Question in short: If I have a multiplexer, and my selected input is X volts, I suppose that the multiplexer's output will be X+-ΔX volts. How can I calculate ΔX ? Question with more details: I ...
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1answer
913 views

transfer function and error gain function

simulate this circuit – Schematic created using CircuitLab I know the difference between those two functions , but i want to see the relation between them , i think that the error gain function ...
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1answer
447 views

CRC polynomial and Parity Error detection

My question is about the CRC generator polynomial. If I have a generator of level 5, say: $$X^5+X^4+X^2+1$$ How can I know if it can or cannot detect a parity error? Also how can I know the error ...
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2answers
748 views

Large errors in ATMEGA8 ADC readings

I'm using the ADC of ATMega8 to read the charging and discharging waveforms of a capacitor. However I'm getting an extremely large number of errors when I see the data I get in my laptop. I'm sending ...
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1answer
635 views

LEDs in series but only one glowing

I have the following setup: simulate this circuit – Schematic created using CircuitLab (The LEDs are actually some generic UV leds without a known part number, so I didn't edit the default ...
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3answers
2k views

Power cycle error when trying to program/debug HCS08 MCU

I'm trying to program a Freescale MC12311 transceiver IC which has a 9S08QE32 MCU embedded in it: MC12311: Sub-1 GHz RF and 8-bit HCS08 MCU with 32KB Flash, 2KB RAM I'm using a Background Debug ...
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4answers
1k views

Non-linear error in ADC readings

I am measuring voltages up to 20V with my ATmega2650 MCU (10-bit ADC). I'm using 5V precision voltage reference (LT1021 - 0.05%). Voltage dividers are setup with 1% Panasonic resistors. Vcc->10kOhm-...
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2answers
2k views

How to ensure data integrity when using I2C with a PIC

When master device transfers a piece of data, slave will acknowledge back once the data has been received by slave. So it's not possible to ensure the data integrity by only polling ACK. I ...
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2answers
946 views

PIC Programmer driver issue

I'm programming a PIC16F77 with ProPic 2 which communicates via serial port. As I don't have this port in my PC, I used serial to USB adapter. I'm using ICProg in Windows 8. I've proggrammed it ...
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1answer
3k views

Error: constant value required while compiling with avr-as in linux

Im trying to compile the following simple assembly program but there is a problem with the compiler that i cannot find its reason and fix it. So here is the code : ...
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2answers
96 views

Eliminating induction between wires

How is it ensured that (computer) hardware (such as motherboards or processors themselves) does not suffer from from wrong signals due magnetic induction between wires?
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0answers
726 views

Fixing “Errors” in a electric circuit

This week we are having a exploratorium at my high school. We wanted to make an electric circuit, where the contestants have to find the three errors in the circuit. These errors is errors that we ...
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1answer
830 views

Part select in verilog

I am a bit confused because of a odd situation in part select operator in verilog. I had read about part select and vector part select operators. But there is a situation where I am having ...
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4answers
545 views

What are the odds of a miscalculation in an Arduino?

I am running an experiment using an Arduino that requires several million calculations per second to be performed by an Arduino. I was wondering the odds (if any) that one of these calculations is ...
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2answers
9k views

error: avrdude: stk500_getsync(): not in sync: resp=0x00

I'm new in this field and I'm working with ardupilot APM 1 (atmega1280), and I got this error: avrdude: stk500_getsync(): not in sync: resp=0x00 while I was uploading. I've read so many articles ...
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1answer
2k views

STM32f2xx could not work with maximum frequency

I'm using default configuration (according to UM1061, RCC section) to configure an SMT32F215RG to work with 120MHZ CPU clock. here is my configurations: ...
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1answer
743 views

Minimize error in op.amps?

How do i minimize error due to Offset voltage, Bias Current, Offset Voltage, Frequency response etc. For an µa741. I have no idea on how i can cancel or just minimize the effect of these errors. I ...
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1answer
918 views

Bad clock pulse on I2C EEPROM read

I am seeing a strange behaviour on an I2C waveform, and it is causing an incorrect bit to be read by the master. The master device is an ET1200 EtherCAT ASIC, and my slave is a CY8C3666LTI PSoC which ...
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3answers
7k views

TXERR error in CAN communication

I tried CAN communication using PIC18F25K80 and MCP2551. Using two nodes, I could transmit data from one node to other. But, data was transmitted only when the receiver buffer was set to ignore all ...
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0answers
2k views

Error-Detection Circuit — How does this work?

I'm currently studying for finals (I have the solutions here already, so this isn't helping me bypass doing homework or anything like that.) My professor has done an unsatisfactory job explaining this ...
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1answer
874 views

Angle errors in IMU (using Accl & Gyro)

I am making Autonomous Quad. I am programming my IMU using ADXL335 -3 Axis analog Accelerometer & L3G4200D 3-axis digital Gyro. I am using ARM Cortex M4F based TI's stellaris launchpad LM4F120XL. ...
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1answer
68 views

GPS error reasons and maximising errors

I noticed that when using gps in mobile phone, I am positioned away from a wall if I stay very close to it. For example on a street with buildings on both sides, I usually get my location fix on the ...
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3answers
8k views

ICD3err0045 - PIC16F819 Programming

After posting: Programming/Debugging with ICD3 and PIC16F819-I/P I'm still getting the MPLAB error: ICD3Err0045 - You must connect a target device to use MPLAB ICD 3 My Setup (pinout and wireup): ...
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1answer
7k views

AVRDUDE throws “target doesn't answer.” with USBASP and ATMEGA48PA

So far, I could reprogram a circuit with an ATMEGA48PA without problem. Until I got (after apparently was programed successfully): ...
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1answer
1k views

Occasionally the first byte of data from an SD card SPI read is bad

The device I am developing is an SD card storage add-on to a retro computer, SanDisk Ultra II 1.0 GB SD card in an SD card socket (I have no idea if the brand is significant, it just happens to ...
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3answers
5k views

Why does this 7905 giving -12V output?

I made myself a symmetric power supply for my lab projects using several 78xx and 79xx components. The PCB was ready and I was testing it. I saw that 7905 is giving -12V output. (See full image.) (...
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2answers
13k views

Getting weird characters in hyper-terminal on serial connection of PC and Atmega-16

I have a Atmega-16 based board, connected via Max232 to pins 2,3,5 of a db-9 connector. The connector connects to a PC. I am getting weird characters on hyper-terminal instead of normal "Hello ...
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2answers
4k views

Why does my ATtiny13 report wrong device ID?

I am using an Arduino (with ATmega168) as an ISP programmer to program ATtiny13. When I try to do this, avrdude reports: ...
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1answer
340 views

System Generator. Estandard exception in FFT block

I am trying to generate a bitstream file from a the FFTv4 block, but I get errors, one of the errors is about a file called 'fftv4_cw.ise' This is the error message I get: standard exception: ...
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3answers
300 views

Problem loading sketch to arduino MiniQ

This is the first time I have used this product (an Arduino-compatible robot) and I'm having some trouble. I've done this on 2 different boards now. I select the serial port, load up the blink sketch....

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