Questions tagged [debugging]
The process of identifying, quantifying, and correcting errors in the operation of a system
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Printer motherboard part identification
I got an ET-8550 printer at goodwill for cheap. It doesn't power on. I'm an electrical engineer by day so thought it be fun to fix. I have located the issue and found that it's on the main board ...
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How to find and test for broken connection in circuit soldering?
I have a potential divider circuit that worked previously on PSOC board, now there is a broken connection somewhere as regardless of what resistors I connect. The measured resistance is same as that ...
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EMC - conducted emission issue
The picture below is for a part of larger circuitry, but it's the part where EMC noise is coming from and causing the conducted emission test to fail.
Any hints on when to start to deal with this ...
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Debugger for ADSP-218x -> EZ ICE - Any known equivalent?
I’m searching for a solution to debug an old project that embed an ADSP-2186.
Unfortunately it looks like the ‘only’ compatible debugger is the EZ ICE emulator and it cannot be find anywhere thus far... ...
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INA317 Instrumentation amplifier with strain gauge strange behaviour
I have designed a PCB to read a strain gauge, in which I've used an INA317IDGKT instrumentation amplifier with a gain set to 200.
The strain gauge i'm using is the ATO-LCC-DYMH-103 100kg, supplied ...
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Custom PCB STM32U5 cannot connect with STLink/V2
I'm new to PCB design and I'm currently trying to debug an issue with a design that uses an STM32U545NEYxQ. The problem is that the board cannot communicate with the STLink/V2.
When I try to connect ...
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Rigol DS1054Z channel front end debug
CH2 of my Rigol DS1054Z is bad, it fails calibration even after the scope is warmed up, amplitude of the captured signal is lower than other channels, DC bias is higher than other channels.
I have ...
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Resistances measure different inside the circuit
I made this circuit on the breadboard at the lab and I connected it to a lab psu which is powered off.
From my understanding the 100k resistor which has one terminal at the +5V and the other to the ...
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TM4C123 External Debugging With XDS200 and USB100v2
I have a EK-TM4C123GXL LaunchPad includes TM4C123GH6PM. I want to debug that with BLACKHAWK XDS200 or BLACKHAWK USB100v2.
I am using CCS v11.xx and Uniflash programs. My connections are like that;
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How do I debug Modbus timeout error?
I am an undergraduate researcher trying to connect my PC to a Eurotherm 3508 controller (see Eurotherm 3508 manual here: https://www.eurotherm.com/download/3504-3508-engineering-manual-ha027988-iss-19/...
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Normal sequence for Boundary Scan EXTEST operation
Context
I'm currently working on implementing a Boundary Scan Test (IEEE 1149.1) "plugin" using J-Link debuggers.
The TAP line control is already set up via the J-Link DLL, and I've ...
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Direct connection swdio to PSoC-4 cypress cy8c42xxx
I'm trying to connect PSoC-4 cypress cy8c4245lqi to flash it. Connecting directly to chip via SWD line.
Pinout here
...
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Is there a situation where SWDIO and UART2_TX should be connected in a normal design?
I'm reverse engineering the PCB shown. I ran into an issue where whenever I enabled UART2, the debugger would disconnect and have issues reconnecting. After tracing it, I found out that the SWDIO pin ...
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Unwanted filtering in OpAmp Audio Circuit
I'm designing an amplifier circuit with two op-amp stages using the TLV2322 for a microphone preamp, which will feed an ADC. The microphone has a maximum expected amplitude of 20mV, and my goal is to ...
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BLE Antenna Issues on Custom nRF52840 PCB
I need some help troubleshooting a BLE antenna issue on our custom nRF52840 PCB. Any insights would be greatly appreciated.
Issue:
BLE sometimes advertises on a mobile phone but disappears after a few ...