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Questions tagged [damage]

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17 votes
5 answers
58k views

Can electronics be damaged by undervolting it?

I was wondering if there are some particularly important mechanism by which one can break electronics, when undervolting it. Its pretty obvious that lots of electronics will not work properly if ...
Pasha Reshetikhin's user avatar
8 votes
3 answers
14k views

Water and Electronics?

I've read a lot about people cleaning keyboards in the dishwasher. But how does the water damage electronics? Does it cause shorts on the ICs on the internal circuitry or physically get in the IC(...
Dean's user avatar
  • 8,458
5 votes
1 answer
754 views

Can a solar inverter be damaged if installed capacity is much larger than demand?

I had a dispute with my fellow. In his opinion, a power inverter can be damaged if the load is much lower (e.g 100W) than installed capacity (e.g. 10kW) of the solar system. I am of the opinion that ...
stardust's user avatar
  • 218
2 votes
1 answer
5k views

Have I damaged my multimeter by applying voltage in resistance mode?

I have an VC97 digital multimeter. In resistance mode, I applied the multimeter leads to a battery with a 4.2V charge. I did this twice, and also did so in capacitance mode. I didn't notice any ...
Kat C.'s user avatar
  • 23
31 votes
11 answers
14k views

Is it possible to physically destroy a microcontroller with software?

Assumptions: No external circuitry connected (other than the programming circuit, which we assume to be correct). uC is not faulty. By destroying I mean releasing the blue smoke of death, not ...
Juan Carlos's user avatar
10 votes
2 answers
3k views

How exactly is an LCD damaged by DC current?

LCD displays are driven by AC waveforms. I've seen many references referring to permanently damaging them with DC current. When exposed to DC, LCD's fail and conduct excessive current. My question is: ...
gtrevorjay's user avatar
8 votes
4 answers
56k views

Can I break batteries by putting them in the wrong way?

If I put in batteries the wrong way (+ and - sides reversed), is there a risk that I will break them? Or the device? Or start a fire? In particular, I am talking about rechargeable Ni-MH eneloops ...
Thilo's user avatar
  • 181
6 votes
4 answers
9k views

What actually happens when both 1 input is given in RS flip flop circuit (physical change)?

This question is somewhat similar to: Why is S=1, R=1 state forbidden in RS flip flop? But I am asking what actually happens if both 1 input is given forcefully in R and S terminal of flip flop ...
Shadow's user avatar
  • 524
4 votes
0 answers
144 views

Can chips be sensitive to mechanical stress after an electrical incident?

Is it possible to electrically damage a microcontroller (or any chip) in such a way that it becomes very sensitive to mechanical stress? Some background: We are developing a board with 7 identical ...
Rocketmagnet's user avatar
  • 27.5k
3 votes
2 answers
1k views

How can removing a piezoelectric speaker/buzzer damage a circuit?

According to a comment at DIY stackexchange: "...disconnecting a passive piezo speaker that is fed via a transformer could theoretically upset or even damage the electronics feeding it." How could ...
Bort's user avatar
  • 5,182
3 votes
4 answers
2k views

Breadboard Quality questions

I'm an electrical student in my second year and I'm using a breadboard for multiple lab classes. I'm thinking that my breadboard is starting to fail inside and I'm having a hard time troubleshooting ...
Gil's user avatar
  • 51
3 votes
0 answers
361 views

I2C communication pin and/or device getting damaged

I have a Raspberry Pi communicating with some I2C client devices. Occasionally either the I2C client device fails or a Raspberry Pi pin (one of the I2C pins) is damaged. The only thing I can conceive ...
Scott's user avatar
  • 191
1 vote
1 answer
181 views

What kind of failure would I see in moisture sensitive parts?

I am reflowing a design using an electric skillet. When the uC and LEDs arrived they were in moisture sensitive packaging. They were in sealed bags with moisture indicator cards. After I opened them I ...
Bill's user avatar
  • 2,496
1 vote
1 answer
1k views

Is it safe to keep on using AC adapter with a damaged output capacitor?

I was experimenting with my universal laptop adapter (Meind 100W) and when I switched it to 34V mode (while official max is 24V) the capacitor (25V) popped (the top opened and some white fibers spread ...
Vi0's user avatar
  • 527
0 votes
1 answer
1k views

Have I damaged this DC-DC converter? [closed]

I bought this DC-DC Adjustable Power Converter Module, to convert 12V DC to 5V DC. Initially it was working fine, but I connected IN- and OUT- pins to the each other and used it as a common ground ...
rajat's user avatar
  • 985

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