Questions tagged [damage]
The damage tag has no usage guidance.
191
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How badly did I damage board with first time soldering to remove component? [closed]
First time soldering. Is this thing unusable or might it still work?
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101
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Strange Resistor Situation
I am looking at a schematic for an RF sensing switch, and I notice that there are two resistors that are marked in the schematic as 18 Ω resistors. They are 2512 SMT types and are installed in ...
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Very loud sound without smell: electric arc?
Short version:
Extremely loud sound a few seconds after power on (400 V AC, 3 phase) in high humidity, no smell: is it arcing? Is it possible that a component exploded without smell?
Long version:
...
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Damaged ATMEGA328P despite clamping diodes and current limiting resistor
I have a custom PCB designed to interface an Arduino Nano's ADC pin that had 12v from a bench power supply inadvertently connected to a header pin meant for 5v input. The ATMEGA328P now gets extremely ...
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Is there a risk of damaging built in RF components having several Iridium SBD 9603N modems active close to each others?
I use Iridium SBD 9603 N modems in some hardware (oceanographic buoys). I use high gain antenna, typically the setup is based on https://www.sparkfun.com/products/18712 and https://www.sparkfun.com/...
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guitar amp experienced over-voltage [closed]
Disclaimer: I am not an electrical engineer, I made a mistake which left a piece of equipment in what feels like it should be a salvageable state, but I don't know where to start correcting it.
So, I ...
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How to find out if the PIC microcontroller is good or dead?
I am working with a PIC microcontroller (part number dsPIC33FJ64MC802).
Previously I was able to program it fine. But today, I have powered the PCB which contains the PIC microcontroller, then ...
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Testing out a bridge rectifier if it works with only a multimeter
Indulge me here with this scenario, but suppose the electronics shop I'm sourcing parts have dubious, faulty semiconductors parts -- damaged, counterfeit, etc. What have you.
How do I test if a bridge ...
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How to fix a broken relay that's still clicking?
Last week, one of my cooking plates was not working any more.
I was able to track the problem down to the cooking plate relay (Finder relay type 45.61, 14Vdc, 16A, 250Vac).
This relay still makes ...
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I keep Blowing up my i2C (ISO1540) isolator when plugging and unplugging my battery
I am using a ISO1540 to read the SMBus of some BB2590 batteries. The relevant part of the circuit is shown in the images below
The issue that I am having is that sometimes when connecting or ...
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Would a Hall effect sensor be damaged by gross saturation?
There's this old question that is almost what I'm looking for, but not quite.
I want to make a current direction sensor - I don't care about magnitude - for a car starter battery. I care about the ...
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General guidelines to avoid damaging RF components
So, I am a young researcher in physics and use RF components like splitters, mixers, couplers, amplifiers, etc. These are not high voltage amplitudes at all - at most a few volts - often hundreds of ...
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Is this inductor ok?
I was cleaning a 10+ year old LCD TV with a damp rag and noticed an ozone-like smell. I assumed a chip was frying or something was arcing. I unplugged it, gave the power supply some time to discharge, ...
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Fluke 393 checked resistance on a live circuit wonder if I damaged my meter
I have a fluke-393 multimeter and I was testing voltage on a 480V circuit didn’t realize I was on resistance and when I put my probes on the circuit there was a small arc, quickly taking my probes off ...
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Possible degree of damage to PSU
The following PSU accidentally got 400 V instead of 230 V at J6. There is a fuse built into the power switch, which is connected to J6. The fuse blew on the original incident. Trying to replace the ...
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