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The process of identifying, quantifying, and correcting errors in the operation of a system

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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 ...
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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 ...
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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 ...
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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....
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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. ...
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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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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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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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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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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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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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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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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 ...
Random Parsley's user avatar
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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; ...
esat's user avatar
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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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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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I'm trying to connect PSoC-4 cypress cy8c4245lqi to flash it. Connecting directly to chip via SWD line. Pinout here ...
Chip's user avatar
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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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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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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 ...
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I am working with Modbus communication using an external device (Aster TDS Meter) connected via an RS485 module. The Modbus settings for the external device are: • Baud rate: 9600 • Data bits: 8 • ...
octane's user avatar
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I recently designed a schematics and PCB using Si3404 reference design. Now when i plug the POE, PCB get heatup. I have almost everything same with my schematics and reference schematics except for ...
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I have mostly spent time with Atmega and Atsam boards and would like to test and learn STM microcontrollers. I have never worked with SMT32 boards as such and some of my questions maybe to obvious. I ...
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this is already the second time I encounter this strange problem: I am using an AVR microcontroller with microchip studio. I wanted to enter a debugging session with "Start debugging and break&...
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I have created a power switching module for the purpose of manually swapping power sources to a flight computer FC. NC and NO are both inputs, where any battery connected to NC powers the FC when both ...
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I often have to trouble shoot one-off instruments. At the moment if I can't get a hook probe onto a pin I will scratch off some solder resist or use a pad to solder a flying wire to the board. I'd ...
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Over the last couple of months I've build a small system based on an Ardino Nano. Because it has a limited number of pins I've used a few 74HC595 Shift Registers chained together to increase the ...
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It seems that I have corrupted the AT25SF081 Flash chip which I am trying to learn about! I sent it a Write Status Register command from the iceFUN FPGA, and now it ...
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I recently made some posts on an issue I am having with executing a READ ID operation from an FPGA to a SPI Flash: AT25SF081 SPI Flash FPGA issue narrow AT25SF081 SPI Flash waveform timing ...
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I am a university student and I am new to using switching regulators. I am trying to design a USB-C PDboard with the TPS552882 TI PMIC chip. I am getting a voltage output of 0.7V. While I was reading ...
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I put together this circuit for driving a laser diode channel with a forward voltage of 16V at 3A. I have made this circuit before, tested and made PCB's that all work perfectly. The ones I made ...
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I am getting the above error while programming PIC MCU Following are the things I am using: PIC32MX675F512L MPLAB X IDE V6.20 PICKit5 Here is full error: ...
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Maybe a stupid question - but I searched cand couldn't find a good solution... I'm running into an issue with memory on my STM32 project. Is there a way to compile all files in release mode (smaller ...
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Context: I did a project using this microcontroller and it works but i am not able to enter Debug Mode as it shows the following in the console screen: ...
Sanjay Suresh's user avatar
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How can I debug do hardware debug, I have ST-LINK and FT232H, would it work with Renesas MCU? Also, if anyone has used e2 studio, then please guide me. I have a project for a sensor and in that sensor'...
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I've designed a tester for one of my products and part of what the tester does is provides one of two voltages to my unit under test. The two voltages are generated by a sub-circuit shown below, based ...
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A group parterner of mine is calibrating a board, and the ADC output is somewhat confusing A closer-up view at one of the 1.5v platforms looks like this So it seems as if the output has been ...
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I'm experiencing an issue with my LM317T voltage regulator circuit: All the caps here are electrolytic, except for the 100 nF ones, they are these small SMD ones. The circuit is designed to provide ...
ahmed's user avatar
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Hello I am building a load cycler using an arduino with this code: ...
risa's user avatar
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I use a PicKit5 to program a PIC24EP128MC202 using MPLAB x IDE v6.20 with XC16 Compiler, I recently fixed some memory model issues and I ran into this problem where "Invalid Target Device" ...
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I'm in the middle of a board design where the processor uses the segger ten pin pinout. For example this debugger from adafruit. I can't find a good pinout of the connector that shows the orientation ...
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I've got a perfboard circuit I put together that's drawing 1.7A when just the 5V and GND pins are connected. As you might have guessed, this is not ideal given the existing components. The A4988 motor ...
Flubberknuckle's user avatar
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I am using a MOSFET to drive a lamp from an Arduino Uno R4 with 5V level pins with the following configuration: (EDIT: typo in the schematics, R2 is connected after R1, but that gives just a 1% ...
Davidmh's user avatar
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I am debugging an issue I have on a legacy codebase that is running on an atxmega32c4u chip. I am writing single bytes to registers in PORTC, but the memory view is showing multiple bytes change. The ...
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I have been designing an SMPS where the STM32F334R8t6 microcontroller provides the full bridge control signals. The microcontroller board uses a 5 V and 3 V regulator to supply the MCU and the CAN ...
Watermelon's user avatar
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I'm trying to use a SAMD51G19 48 pin package to write a very simple SPI program, which will just loopback what's output back into the input, but I'm still new to this processor and haven't done SERCOM ...
daannn's user avatar
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I am not a hardware engineer. I studied basic electronics 15 years back in school days, so you can consider me a noob. I have a digital watch in which all the features (time, alarm, chime, etc) work ...
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My device uses two of the MAX1415 dual-channel sigma-delta ADCs. I've labeled them "MADC" and "CADC" for "Measurement ADC" and "Calibration ADC". They are ...
AuFries's user avatar
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I am looking at the waveform on my SWDIO pin during programming and most edges look very nice, but some do not. Is this likely to be problematic? What are probable causes?
Alexander Ohm's user avatar
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We are developing board with LPC54616. All pins are already used, so we have to use also programming pins, SWDIO as output pin and SWDCLK as uart RX (both signals are connected to additional modul of ...
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