Questions tagged [debugging]
The process of identifying, quantifying, and correcting errors in the operation of a system
531 questions
0 votes
1 answer
51 views
Stray voltage on NC terminal of OR logic diode setup
I am using the following diode configuration to dissipate heat from my resistor. The diode I am using is B260-13-F (datasheet). The resistor is a heater that would be powered using any one of the two ...
0 votes
0 answers
29 views
Why do STM32WL55 example projects have “SingleCore” and “DualCore” versions, but STM32CubeIDE only generates Dual-Core structure
I am working with the STM32WL55CC (48-pin package). When I imported the official STM32CubeWL example projects from ST, I noticed that they provide both SINGLE CORE and DUAL CORE versions. But the ...
0 votes
0 answers
56 views
No EEPROM detected - FT2232H - 93LC56BT-I/OT
I just copied the LaunchPad_F28379d's programming section and was trying to flash the FTDI+EEPROM using FTDI-FT Prog and file F28379D_LAUNCHXL.xml Initially, I was not able to detect the FTDI chip on ...
0 votes
1 answer
40 views
Singular matrix: check node error
What is the problem in my circuit? I tried changing the voltages but its no use. I made the same circuit that was working but it’s not working now. What is wrong with it? I’d be grateful for your help....
1 vote
2 answers
179 views
Schmitt trigger debouncing circuit failure
I have use debouncing circuits for simple mechanical switches (which are connected to the left side of the schematic) It worked just fine on production and a number of devices are deployed in fields. ...
4 votes
2 answers
580 views
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 ...
-1 votes
2 answers
78 views
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 ...
0 votes
1 answer
99 views
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 ...
0 votes
0 answers
34 views
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… ...
0 votes
2 answers
87 views
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 ...
0 votes
1 answer
169 views
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 ...
0 votes
0 answers
107 views
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 ...
2 votes
2 answers
139 views
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 ...
2 votes
2 answers
108 views
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; ...
0 votes
0 answers
105 views
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/...