Questions tagged [static-electricity]
The static-electricity tag has no usage guidance.
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Can a battery be used as a ground to protect yourself from static electricty? [closed]
There are bracelets for protection from static electricity, but you have to touch it to ground to discharge. Can we use a battery (like watch batteries) on this bracelet?
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Spark between hand and laptop [closed]
When we walk in one of our office rooms, our body gets static electricity. When we touch a metal object such as a window or the body of a laptop, the tips of our fingers spark due to the discharge of ...
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Can you charge a capacitor merely with static electricity where charges don't move? [duplicate]
I have gone through the following links, but they all talk about moving charges in some sense:
Charge capacitor with static electricity ,
How to charge a capacitor with static electricity? ,
Can a ...
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Li-ion battery charging circuit issue
I have added a Li-ion battery charging circuit to my project for powering up the whole circuit by taking reference from this site.
The issue I am facing here is maybe related to static charges.
When I ...
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Darlington triplet - static electricity detector?
simulate this circuit – Schematic created using CircuitLab
I built this circuit. Different versions of this exist on the internet, some using an MPF-102 JFET instead of the 3 NPNs. The various ...
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Artificial grounds to remove static electricity on a metal frame?
I am a vex robotics student. Our team has an issue where ports on our robot core stop working due to static electricity buildup on the metal frame around the motors. Is it possible to make an ...
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Can a battery electric vehicle be driven through a dust storm? [closed]
I would like to know if a battery electric vehicle such as a Tesla Model 3 automobile can be driven through a dust storm.
Back during the Dust Bowl days of the 1930s, driving through a dust storm ...
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Can a static shock to a motherboard damage a hard drive that is connected? [closed]
Hypothetically, could the shock spread through the board and follow the wires and damage a hard drive?
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Implications and cause for static discharge
For months, I've had a potential buildup culminating in static discharge when touching the chassis of my macbook pro at ONE location. No source could be identified (no ground leakage – I checked with ...
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Could static electricity from trading card binder pages damage SMD components?
I bought a trading card binder to hold SMD components. I chose it because its card-sized sleeves can hold more than just tape strips and also it has a zipper. However my concern is that the clear ...
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Can you get an electric shock from a UPS output? If yes then can it be fatal?
I have an UPS of 800 watts which means its output is about 800 watt.
I am installing a current leakage breaker to my main supply so that if I accidentally touch any things which produce current my ...
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Can USB head cause a spark?
I made a USB port in a gas detector prototype. I plan to keep a USB cable attached to that USB port forever. I silicone conformal coated the USB port pins on the PCB.
Can the USB head of the cable ...
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Questions about static electricity
I'm watching LTT's new video with Electroboom where they shock RAM with an ESD gun. In some occasions, they do it without grounding the RAM stick. Doesn't the current have to go back to the source? I ...
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How the (earth) ground works?
I have developed bad intuition and a lot of misunderstanding about how grounding works.
For example, in this thread: Will a battery connected to the Earth eventually deplete?, the accepted answer is ...
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Should stereo speaker cables be elevated to avoid static electricity
I am contemplating a new design for speaker cable stand-offs. I am unable to find support, only opinions, about static electricity produced by carpet affecting AC current between amplifiers and ...
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Electrostatic arc safety
I'm experimenting with early electrostatic devices, and I'm measuring spark gap length to determine voltages generated. How dangerous is it to observe these arcs with the naked eye? Should I wear ...
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Voltage / current from Van De Graff generator vs. voltage / current from AC wall sockets in homes
The Van De Graff generator can generate voltages in the kV and MV range.
I have read that if I touch the Van De Graff generator producing, say 50kV, with one hand (myself being insulated from ground ...
user220456
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How can I discharge static electricity from my body?
I am planning to install a PCI Express Wifi-adapter in my PC. In order to do this, I would need to open my PC. I'm worried that if there is static electricity in my hands it could fry the motherboard. ...
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Would the static charge from a silicone work mat be dissipated by an ESD mat if placed on top of it?
I know the proper rubber mats that are both ESD safe and heat resistant are quite expensive, and definitely out of the price range of a beginner hobbyist like me. I have also read that the silicone ...
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Is a metallic conductor within an electrostatic field necessarily subject to discharge?
Basically what I'm trying to determine is if the new RAM chips I received in the mail were potentially damaged from static electricity.
Late last night, tired and foggy, I built up a considerable ...
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What's the difference among these static protection bags?
I have some old modems & other cards stored in plastic static bags and noticed that a few of them were distinct... these are all from the 1990s or maybe early 2Ks.
Here's a sampling:
From left ...
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How to get rid of static electricity on a plastic slide
I've got a indoor spiral slide which appears have a large amount of static building. It frequently gives little shocks to people going down the slide. I've also got WS1825 addressable light strips on ...
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How prevent discharging static electricity when touching metal case of sensitive circuit?
I have made a metal box including raspberry pi, touch screen and lcd screen. my problem is when i touch the box static electricity cause arc and shock to device and cause software failure also. i ...
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Measuring mains voltage with DMM and only one probe gives 100+ volts!
While trying to find out what is going on here , when measuring the mains voltage with a multimeter by connecting the red probe to the line and leaving the black (com) one laying in the floor after ...
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Is there a reason that dryers aren't grounded [closed]
One minute ago I cried out in pain, after being electrocuted again by my clothes dryer; probably the thousandth time in my life that this has happened.
I was taking out clothes after they're dry, ...
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Static electricity high voltage and charge difference
I have often heard heard voltage being described as a difference in charge between two points. If this is true, how is static electricity such high voltage even though it is a relatively small ...
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Are ESD safe tools necessary with proper setup?
My current setup is an ESD mat and ESD wristband both connected via alligator clips to unpainted screws that are screwed into a secondary PC power supply (not mounted in a PC case.) This power supply ...
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Grounding Yourself When Working On Electronics
I was wanting to discuss if using a wrist strap connected to a in unpainted screw on a pc power supply (this screw is a mounting screw it is not touching anything inside the power supply) that is not ...
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Faraday cage and static electric field
Can anyone explain - what is the difference between static and varying electro-magnetic fields?
I know the definition for what is static electric field. It does not change with time (0Hz frequency.) ...
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Avoid voltage peak / static discharge freezing an Arduino
I am building a speed-testing stand for electric wheelchairs with an Arduino Nano and a rotary encoder. The wheelchair is put on cable caddies, which turn the rotary encoders via a belt.
The setup ...
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Styrofoam cooler/chest ok for electronics project?
I'm building a DIY power supply using 6 server power supplies. I've been looking for a case/enclosure to hold them and the necessary wiring and came across a styrofoam cooler that's the perfect size ...
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What is the safest way to remove dust from electonic devices?
As dust inevitably settles on electronic devices such as televisions, laptops, computers and the like, what is the safest way to remove these both internally and externally?
The definition of safe ...
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Type of wire for high voltage applications
What kind of wire is most suitable for HV low-current applications, where the allowed maximum is 25 kV and 5 W?
By type of wire I mean core and type of insulation.
As far as I can guess, even if the ...
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Charge capacitor with static electricity
Can i charge a capacitor fully with only static electricity?
I already took a look at: Electrostatically charging a capacitor and How to charge a capacitor with static electricity? but i'm not sure ...
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How is this copper showpiece making static electricity
I'm trying to make a showpiece which generate static electricity just like in this YouTube video LINK
Does it have Tesla Coil (Slayer Exciter) inside it or Negative Ion Generator?
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Insulating from static electricity
I am happy to announce that my pocket extra-strong static electricity generator project is now complete and works well.
However there is one problem, I am often getting zapped severely (to the extent ...
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Can Static Electricity change the voltage reference of a PCB?
Problem:
After running a test that creates static electricity, the values acquired by a hall-effect sensor are not correct anymore.
Context:
The device I am working on draws and rolls up fishing ...
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why dont we just use ion wind flowing through evacuated pipes?
Why dont we just use ion wind flowing through evacuated pipes?
I ask this because if we reduced the atmospheric pressure in the pipes somewhat, and made them out of a cheap yet durable insulating ...
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What transformer I should use for negative ion ionizers
If I want to create a device that produces high static electricity fields, such as negative ion generators, what kind of transformer specs I should look for?
I want super huge static electricity, and ...
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Charge distribution/movement in an insulator
The way I understand it, net charge in a conductor spreads out evenly over the surface, while for a charged insulating object, the charge will tend to stay clustered around the spot where it was ...
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Radio Noise from Storm
I drove through a Wyoming thunderstorm today. Just for fun, I set my AM car radio to the top end of the AM broadcast band where there was no station audible. Sure enough, I heard the lightning ...
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How to charge a capacitor with static electricity?
I want to charge a capacitor using static electricity generated by me (walking on carpet etc.) and try power a small LED or if that doesn’t work a reading on the voltmeter would be fine (it’s for a ...
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Could sliding down a slide damage my camera? [closed]
Specifically one of those plastic spiral slides - I was at the playground with my children yesterday and when we went down the slide there was enough static generated to stick our hair on end. Of ...
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Easily available alternative to anti static bags
I want to pack some electronic components, but I don't have an anti static bag. Are there any easily available materials that can be used instead.
Any frugal tricks ??
Thanks in advance.
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Discharging static electricity touching chassis macbook pro?
I was following some instructions from Apple here about changing RAM memories in a macbook pro laptop when I had a question. In these instructions, step 3 tells specifically "Touch a metal surface ...
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Antistatic bag inside plastic bag?
I had to store a computer motherboard were the cardboard box was lost. The motherboard is in the original antistatic bag still closed with tape. I decided to put it inside a regular plastic bag ...
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What makes my screwdrivers ESD safe?
I needed a new screwdriver set and found one called T4741SESD. In the product description it says the following:
...
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My oscillator of 40Khz is not giving 40Khz signal at the output
I am putting a 40Khz crystal oscillator with 33Pf load capacitors.
The problem I am facing is that as soon as I switch on the circuit, it is not giving me the pulse but as soon as i touch a metal or ...
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ESD damage after touching metal PC case?
When i'm tribocharged and then discharge to a graphics card, i can kill that device.
Let's say i'm at -2000V, compared to my motherboard, and i touch the metal traces around the board's screw holes. ...
user127725
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Questions on basic ESD safely
Let me first apologize as I know this topic appears to have been discussed extensively yet something isn't clicking for me after researching over many days in stack, google, and youtube! I want to ...
