Random high voltage eBay "thing"

  • Am Vor Monat

    bigclivedotcombigclivedotcom

    Dauer: 16:17

    eBay is full of weird and random industrial modules. I saw this one, and since I couldn't find any data about it at all, I decided to buy one and reverse engineer it.
    Even after working out what it does, I'm not sure of the exact application. I think it may be intended as part of a sterilisation system for rooms, where a limit switch on the door breaks power to the circuit, and it has to be reset manually upon leaving the room.
    The relay circuit is particularly special for its use of a cheap, small and rugged component in place of a traditional hot-running mains voltage component.
    The high voltage circuit is using a VERY non-standard approach to minimise components.
    If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:-
    www.bigclive.com/coffee.htm
    This also keeps the channel independent of DE-film's advertising algorithms allowing it to be a bit more dangerous and naughty.

neutronen stern
neutronen stern

Hi I've got a Question: I've build myselve a Capacitor out of Aluminium foil and 3layers of 5m long Book foil. It has a capacity of around 150nF (might get higher when loaded with high voltage due to attraction force) now I will test how much voltage the foil can handle first and then load the capacitor with a voltage lower than that. I expect it to be able to handle something around 15-30KV. I've got a power supply which can output 30KV, and this is kind of save,cause the Energy and current is limited. But now i want to ask you, if the capacitor with around 150nF would be save if loaded to 30KV. So in case i touched it will it just badly hurt or might it harm myselve badly. I've read that ESD over 350mJ is harmfull and this thing would have around 68J if loaded to 30KV. So this would imply that it is very harmful. But if i calculate with 1000Ω of my body and this capacity and voltage with the formula t=R*C*ln(Umax/Utol) with Umax=30KV and Utol=30V (tolerable) I get to a time of 1ms till the voltage is at 30V when i touched it. But i've also seen in a graph, that at a current below 10A through the body it wont kill you as long as it is shorter than 10ms. So now my question is, if it really makes a that big difference if its below 10A or below 30A. (in the case of 30KV and 1KΩ) Or did i calculate something wrong?

Vor 6 Tage
Bill McGonigle
Bill McGonigle

Our Walmart is hawking cell phone sterilizer boxes for $14. Small shoebox size. I wonder if these are inside them. Woz would be proud of this low-component-count (ab)use.

Vor 7 Tage
Level Three
Level Three

I'm pretty sure this is part of the time machine used in Napoleon Dynamite.

Vor 10 Tage
DeeJay1210
DeeJay1210

Big Clive well on his way to the Big MILLION subs (and WELL DESERVED too!).

Vor 15 Tage
dan f
dan f

Is this not for a fridge ozone?

Vor 18 Tage
dan f
dan f

@bigclivedotcom 😂

Vor 17 Tage
bigclivedotcom
bigclivedotcom

It's apparently a chopstick sanitiser.

Vor 17 Tage
Jaroslaw Filiochowski
Jaroslaw Filiochowski

That tube... is it sealed? Because if it is, I don't think the corona discharge can generate much ozone directly, but it could be emitting enough UVC to generate some ozone that way. My point being: if it's actually a UVC lamp, don't look at that stuff!

Vor 18 Tage
bigclivedotcom
bigclivedotcom

The gas just couples current to the inner surface and the capacitive coupling to the outer mesh causes a corona discharge on the outside.

Vor 18 Tage
anthony hayes
anthony hayes

This works almost works exactly like a Tesla coil I’m trying to build it was built by a guy named Mark S. Rzeszotarski, Ph.D. I’m not 100% sure but I’ve questioned how that Tesla coil circuit works it’s very odd

Vor 19 Tage
Hadley Scott McIntyre
Hadley Scott McIntyre

That 8s quite like a common c8rcuit but the name slips my rememberance

Vor 21 Tag
bigclivedotcom
bigclivedotcom

Similar to a boiler ignition type of pulse circuit.

Vor 20 Tage
Sulev-Madis Silber
Sulev-Madis Silber

it's sad that there is no cat in the shot during the reverse engineering process

Vor 26 Tage
Jule Rulez
Jule Rulez

Its stupid gadget ! Thats what it is !

Vor Monat
Paddy Roche
Paddy Roche

Dear Clive, I have absolutely no idea what you are doing but I bloody love it !!!. Absolutely fascinating channel. Dare I say it, The Best Channel EVER. Thanks for your work Clive I’m learning a lot to be honest.

Vor Monat
derkevevin
derkevevin

At first I thought this was some chinese bootleg nonsense that doesn't deliver what it promises. But it actually generates some ozone gas by splitting and combining air molecules while looking that cool? Wow.

Vor Monat
joeyb4ever
joeyb4ever

Should have a dropping resistor for the relay.

Vor Monat
Chris of Colombia
Chris of Colombia

Can you give us the reference for the thyristor please? I'm guessing that the values of the resistors are tweaked for a specific device rather than a generic thyristor.

Vor Monat
lezzman
lezzman

Looks like a do-it-yourself pacemaker disruption appliance!

Vor Monat
Bill Kerr
Bill Kerr

What is the failure mode of a thyristor? Essentially, do they ever fail short if abused? That could be exciting.

Vor Monat
Bill Kerr
Bill Kerr

@bigclivedotcom err, yep. I should always go back and look at the schematic before I start sharing "bright ideas".

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bigclivedotcom
bigclivedotcom

Yes they do. But in this case it would just stop working.

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Sam Sırri
Sam Sırri

Isn't the discharge happening inside a closed glass tube? How's the ozone coming out?

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bigclivedotcom
bigclivedotcom

The gas inside just couples current evenly to the inner surface. The corona happens via capacitive coupling on the outside.

Vor Monat
nodvick
nodvick

so they are using that to effectively clamp the voltage within the range they want. Clever?

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Hypercube Jones
Hypercube Jones

Why would you need that fancy tube if the idea is just to throw sparks? It appears to be a gas discharge tube, i.e., a low-pressure UV lamp -- like a fluorescent tube without the inside coating. 185 nm radiation (UV-C) is generally used to create ozone. It's probably not wise to expose yourself to that tube's output unless you know what's going on there.

Vor Monat
bigclivedotcom
bigclivedotcom

@Hypercube Jones This system is a dielectric barrier ozone generator. They could have put a conductive coating on the inside of a tube with the mesh on the outside, but the gas provides good coupling to the full surface, and also a visual indication of operation.

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bigclivedotcom
bigclivedotcom

@Hypercube Jones I'd like to see their evidence supporting what looks like sales talk. It's notable that they didn't mention the steady degradation in the ozone producing wavelength from UV lamps due to the change in the uviol/quartz transmission characteristic with time.

Vor Monat
Hypercube Jones
Hypercube Jones

This is only marginally relevant to the discussion, but it does talk about UV versus corona discharge ozone generators (they manufacture UV-based generators, so there is bound to be some bias): http://www.o3ozone.com/compare_features/ultraviolet_vs.htm#:~:text=Also%2C%20the%20ozone%20produced%20from,by%20corona%20discharge%20ozone%20generators.

Vor Monat
Hypercube Jones
Hypercube Jones

I'm not insisting that you're wrong. I'm just wondering what your assumptions rest on. I don't understand what the purpose of the charge traversing a gas to get where it could get with a simple metal cylinder, especially since cost here is of the essence.

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Hypercube Jones
Hypercube Jones

@bigclivedotcom, how does that make sense? A metal cylinder would work even better. All you need is an air gap, where the ozone would be generated by corona (or even by actual sparks -- it's all about ionizing air atoms and then having them recombine in an ozone way). Are you CERTAIN there was no UV-C emission?

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Ferdinand Guba
Ferdinand Guba

doubt it can produce negative ions

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bigclivedotcom
bigclivedotcom

Not in any useful manner. They just tend to add "ioniser" to most ozone generator listings.

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13 years a Prepper R.J Tilbury.
13 years a Prepper R.J Tilbury.

these things make my ham radio gear go spastic ,,,,,i hate them

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Beren Scott
Beren Scott

Let me just chuck this randomly coloured cable from a Country renowned for often using non standard cable colours, right under here. Rofl, true story right, worked in a building where the electrician had wired two 3 phase circuits together. We don't know how it happened, but they found that devices on the two circuits would only work if both fuses were turned on. Turns out that half of each was wired into the wrong circuit. So if you imagine the above, it forced two machines to run through two fuses, meaning that if both circuits had a machine on them, the combined weight of both would have overamped the fuses.

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Annoying B'stard
Annoying B'stard

After watching dozens of your videos I’m quite confident that there’s something called a capacitor in there. Edit. I was right. I might take up this electronics game.

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Petra Oleum
Petra Oleum

I guess you could calculate where it might be useful if you knew the rate of ozone production, along with the rate of diffusion and decomposition

Vor Monat
Terence McCulloch
Terence McCulloch

Every modern passenger aircraft has a ozone generator in the air handling system same as many hospitals, your local modern swiming pool, city water supplies, nothing new here.

Vor Monat
jeshua leblanc
jeshua leblanc

if nobody knows what this is for, its used in hvac systems, 2 plates close to eachother are Positively charged , and as dust and microbes pass through it supposadly sticks to the plates , to be taken apart and washed later in life. these ion chargers are a joke, they do work but if you have a high flow unit, you need to have it circulate through multiple of these devices, maybe even6 of them to get perfect air cleaning.

Vor Monat
jeshua leblanc
jeshua leblanc

@bigclivedotcom i guess they are close to similarity , thanks now i know what it is

Vor Monat
bigclivedotcom
bigclivedotcom

This isn't an electrostatic precipitator. It's an ozone generator.

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jeshua leblanc
jeshua leblanc

and these units do break, but are cheap to re create, theirs better HV generating devices then one of these.

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Charles Balliet
Charles Balliet

lightning in a bottle for just 9.99...

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Frank Williams
Frank Williams

I just put in an iron filter on our well water that has an ozone generator combined with a small compressor. The ozone is supposed to kill iron eating bacteria, and also oxidize the dissolved iron into a form that can be filtered out and backwashed later. Ozone generators are being marketed to sanitize, kill mold, deodorize clothing items rooms etc. but it is not breathable, so use it with discretion. The iron filter works great just FYI.

Vor Monat
Frank Williams
Frank Williams

I'd also like to add that your enlarged photos are great. You do a great job demonstrating.

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F74D3N8r0T
F74D3N8r0T

I stumbled across this video and really liked it. More, I think of buying one of those gadgets. Since now I have had an instructional like I never had before! Very cool! And well explained! After a second or two of research I now know what it is for. It is for getting chopsticks sterile. Must have been made to be installed in a drawer or so.

Vor Monat
Glen McGillivray
Glen McGillivray

I look at the diagram. And I ponder. So we have a toggle circuit, with no output. And a potentially dangerous ozone generator. You might think they take the output of the toggle relay to turn the high voltage circuit on. Or feed it outside to feed a stronger relay. But instead they just bypass it entirely. So what gives? I am wondering if the entire point is a second circuit and switch setup. And that toggle was supposed to be connected to a 'job done' light. Power goes on. Ozone generated, warning light on the ozone timer, meanwhile inside a little light turns on saying 'sterile' at the same time. Or perhaps even they have an output from their timer to toggle the light at the end of the cycle. But they didn't see a need for the light component. But didn't delete the voltage dropper nor the relay because that would change something they didn't understand. They build a component that doesn't feed anything external (power neutral, signal input and Ozone are all 4 wires) and controls nothing internally either. Helpful.

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Glen McGillivray
Glen McGillivray

@bigclivedotcom but they wired an input Into it, and still failed to provide an output to feed to an additional feature or component. Which is why I half envision this was on the bottom of a 'sanitation' box. With a top mounted timer circuit. Turn dial/push button, starts countdown. As it finishes, turn off yellow and cycle the toggle on: contents clean light on, box closed? Switch cuts primary power (red line) ready for next operation. All very pretty and useless for the application delivered particularly with the light removed, but the 4 wire variant continues to be sold because all relevant inputs continue to function. Otherwise I would expect power to red should be a switch to isolate components and not need the signal wire at all. And from what I saw cycling the signal wire doesn't flip that relay, just activate it as a toggle. Why does this thing have an toggle on switch that doesn't turn components off? I would thus presume that was the duty of a separate component/board. I keep wondering how to deploy one of these types of device for entertainment as a visual feature. That or I should just invest in more plasma balls and Jacobs ladders.

Vor Monat
bigclivedotcom
bigclivedotcom

I think the interlock may be for a UVC tube.

Vor Monat
zeus lim
zeus lim

It's an ozone generator . Most likely yes, for a sterilisation chamber. That's the Chinese words on the top of the label , electric ozone generator

Vor Monat
colin
colin

When doing tests like this. Plug in the quick test into the hoppi as well. Then connect the momentarily connection to the quick test. Leave the constant connection in the hoppi as you have them here. Then you can close and open back up the quick test and not have to be holding the wire used for momentarily connection.

Vor Monat
Kenneth Gardner
Kenneth Gardner

Reminds me of cinema saterday mornings.path news.roy rogers.lorel and hardy ect.my faverit.."FLASH GORDON" black and white..buzzing electric coils as big as walk in wardrobes.ray guns..space ships to submarins.helicopters..it was all there but not invented most of it..talking to wrist watches..lol..that was a long long time ago..

Vor Monat
Ben Snow
Ben Snow

So, what's the purpose of the latching circuit? I thought you needed it for enabling the device, but you seemed to be just fine without it at the end of the video, using only the yellow and black cables. Is it just an optional feature? I'm thinking blue to mains, red to yellow, black to neutral, and a momentary switch between blue and red. Would that be a sane way of installing something like this?

Vor Monat
Ben Snow
Ben Snow

@bigclivedotcom Oh, that actually makes a ton of sense. Still, it's super interesting how you got essentially two independent devices in one.

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bigclivedotcom
bigclivedotcom

Possibly an external UVC lamp.

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Barry Hernandez
Barry Hernandez

BIG CLIVE!👍

Vor Monat
Superbike Surgery Ltd
Superbike Surgery Ltd

No idea what you were going on about but watched the whole thing :)

Vor Monat
Austin Whitecotton
Austin Whitecotton

There is an insane amount of high frequency coming off that bad boy.

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lon3don
lon3don

1. The use would be to sterilise the air and reduce odour in (for example) sports centres, where the humidity and body odour can be foul; these devices can be very effective. If they produce too much ozone, that becomes hazardous. 2. By using half-wave rectifcation I wonder how much RF interference is produced. Have you checked on this; can you check on this?

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CurapemkuH
CurapemkuH

А внутре у ней неонка, хех.

Vor Monat
bigclivedotcom
bigclivedotcom

Я не уверен, что это за газ. Может быть аргон или зенон.

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SoICanComment
SoICanComment

Interesting. I watched an aviation documentary once and the pilots are used to seeing ozone in certain weather storm conditions. From memory I think they call it St. Elmo’s fire. That blue fizzy light is the same as what they see bouncing off the windshield, and they get the ozone characteristic ozone smell.

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Daniel Stoneham
Daniel Stoneham

I don't have a clue what I was watching but it was very interesting 🤣

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LOLWHUTMAIFRIEN
LOLWHUTMAIFRIEN

I once had a hepa/ ozone air filter thingy that gave off that smell. I named it Bernoulli cause the air shot straight up and would reliably keep a balloon suspended in the airstream for months on end until it was finally too deflated. Balloons were called Wilson. There were many Wilsons but only one Bernoulli. I miss you my caustic little friend. EDIT: OG Honeywell 17000-S in case anyone would like this joy (older version with the rubber buttons)

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sempertard
sempertard

Come on now Clive, it's Chinese phyziks. It's how they obtain 250,000 candle power out of one small flashlight using a AA battery. Sheesh, always with the negative waves....

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Protomaker Black Sprint Original 3D Printer
Protomaker Black Sprint Original 3D Printer

9:03 Kills People?

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Gort Newton
Gort Newton

Moral to the tale... Don't buy Chinese junk.

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ierig
ierig

for a lab or medical thing, that case looks pretty shite.

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Che Thatcher
Che Thatcher

Used as a humane rodent deterrent, they hate the smell. Also used to get rid of bad smells in the air. You don't want to be around it all the time though, ozone is not great for your health.

Vor Monat
Rob Crowley
Rob Crowley

I've purchased previous a 20gram dual plate o3 unit it's far too powerful even using the ABE1 filters and it's crazy that there's no real output laws and I've seen ( silver bullet) machine s back 20 yrs ago

Vor Monat
Rob Crowley
Rob Crowley

These used to be installed in public bathroom's in a white oval unit near the ceiling then used for commercial cooking and industry , ..... 10 years later it's used for uv sterilizer water , and public water pumping stations . Smells like metal thunderstorm s .

Vor Monat
Arathok
Arathok

What i often find with classic chinesium color code, is that the colors dont matter. Sometimes it would be better if they just made the wires all black :D To be fair, the aesthetics of the sparks was VERY nice

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KillerXtreme
KillerXtreme

Reminds me a little bit of a Violet Wand

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bigclivedotcom
bigclivedotcom

It does have a similar look and sound.

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Electric Spider
Electric Spider

Ngl that's very pretty 15:26

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Ariana Roderiguez
Ariana Roderiguez

great..........., what is it?...

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Dan Foye
Dan Foye

@Ariana Roderiguez Yeah, then they can't have baby chopsticks. So sad.

Vor Monat
Ariana Roderiguez
Ariana Roderiguez

so it makes chopsticks steril?

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bigclivedotcom
bigclivedotcom

It is apparently a chopstick steriliser.

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Joel Clark
Joel Clark

I’m dumb and have little to no idea of what a resistor, capacitor and diodes do so this basically someone speaking a foreign language to me

Vor Monat
Joel Clark
Joel Clark

@bigclivedotcom yeah i've done a few electronic course things back at school... it just never stuck.

Vor Monat
bigclivedotcom
bigclivedotcom

Not dumb. Just not tuned into electronics yet.

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Vgp 1982
Vgp 1982

It's funny in China they have fully automated restaurants, vending machines for EVERYTHING, robot baristas, yet they have wearhouses somewhere filled with cheap, useless electronic crap to sell on ebay. Lmao

Vor Monat
Joseph Dow
Joseph Dow

This was cool to see since I work on very big ones of these that run on 45kV to 80kV they use it to collect ash particles from boilers to keep them from going out of the stack. The discharge electrodes are usually around 30 ft tall with hundreds of them per field. I wonder if they sell those to put in a duct or something to assist with air purification. Maybe sell it as making your AC like an ionic breeze.

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Joseph Dow
Joseph Dow

@bigclivedotcom Yes, that is awesome you know of them. I inspect them and do calibrations and performance improvements on them.

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bigclivedotcom
bigclivedotcom

The ones you're talking about are electrostatic precipitators.

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Bill Hall
Bill Hall

joining the yellow wire to the blue wire, Live to the red and neutral to the black, then when the power was turned on you would need to press your switch across the red and blue for it to start. If you have another switch, normally closed, in series with the red, then pressing that would turn off the relay and the circuit is turned off. A switch to turn it on and another to turn it off.

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Avelina Mortem
Avelina Mortem

I'm still looking at the circuit layout and thinking "what the fuck" repeatedly. its smug aura mocks me.

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bigclivedotcom
bigclivedotcom

It's definitely in that category.

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M W
M W

Its a "gaydar".

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uujims
uujims

it's a ozone generator

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Bulk Food
Bulk Food

That looks really nice with the lights off !! For one second i thought they somehow managed to use a bit of meshed garden house

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Reza Anasori
Reza Anasori

Very good and nice,thank you

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Camilo Fernández Pacios
Camilo Fernández Pacios

Eso y nada S lo mismo.

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SpaceManAust
SpaceManAust

They used this type of thing to purify he air in a fish tank and would run the air threw the tube were the gauze is.

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gunspadow276108
gunspadow276108

There are sanitization machines that produce ozone to sanitize equipment. See Sani-Sport

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Asbury Park
Asbury Park

I just love people with knowledge...who can see things for what they are ,and not what they say they are...

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echodelta9
echodelta9

The problem with cap droppers is that high frequency transients slam right thorough them and zap the rest of that circuit, but that's what they want.

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onehit pick
onehit pick

Did you say "out of a coronavirus generation chamber?" at 9:10? That's quite an interesting hypothesis. Anyway how do you arrive at this reverse engineering? Do you have a spice simulator or something that helps you visualize?

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bigclivedotcom
bigclivedotcom

Just an understanding of the circuitry. It's more fun when they've got weird tricks like this one. The module may actually be for a chopstick steriliser.

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Random Atheist
Random Atheist

Thigh wrister? Is that a euphemism for self love?

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IdealSound & Performance
IdealSound & Performance

You should get autostrippers. The ones I use are awesome. No thinking just throw the wire in, squeeze and done. Maybe a slight tension adjustment for not nicking small wires or to get through bigger ones

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IdealSound & Performance
IdealSound & Performance

I love how your prints/photos always look so real. Surprised you don't just superimpose them with editing but still cool that you blow them up like that

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IdealSound & Performance
IdealSound & Performance

@bigclivedotcom true..not saying I don't like it..its awesome..just others would have taken the other route. As an ee love watching you pick apart random useless shit though I'd love to see more useful shit sometimes too.

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bigclivedotcom
bigclivedotcom

This lets me draw on them.

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NyOS Gomboc
NyOS Gomboc

All right, we have an ozone generator that draws 7mA from mains. How do we keep it powered? Just strap to it a weird relay-circuit thingy that draws 52mA current. Genius!

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rescuecow90
rescuecow90

Maybe it releases Covid 21 ?

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flarn2006
flarn2006

0:50 Make sure you wear a mask so you don't accidentally breathe that gas

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Greg
Greg

Im not that good at electronics But that seems like it would be pretty good and safe for what its made for Excuse the name and pfp, its only for a short time Maybe

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Florian Vetter
Florian Vetter

so, what’s the relay actually for? I mean it doesn‘t switch anything?!

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bigclivedotcom
bigclivedotcom

Possibly part of an external UVC lamp control circuit.

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SpeakerPolice
SpeakerPolice

Interestingly, many of the eBay listings for this device mention 'chopsticks'. I wanted one because of that insanely cool looking discharge tube, but there don't appear to be any available that run on the 110 volts we have here in the US :/

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Leon Blank
Leon Blank

Neat little light bulb, I remind having one of these "chinese ozone generator" machines. They cost like nothing, they work for 1 month, but they light up the entire room with their overkill little red LED light bulbs at night. And Gosh, it's still sold at Aliexpress.com: https://www.aliexpress.com/item/32408301521.html?spm=a2g0o.productlist.0.0.100b696aClCnEY&algo_pvid=b613e914-e309-4945-8af1-bf0124e46755&algo_expid=b613e914-e309-4945-8af1-bf0124e46755-35&btsid=0b0a01f816147623884554081e4b2f&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_

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Leon Blank
Leon Blank

@bigclivedotcom Well I often had to cut this weird prototype-scale chinese device at night, because it stank like an ozone overload, even at minimum. The failure was simple: the beam that generated ozone just didn't generate ozone anymore. It normally emits blue light, and there's a fan (hence the wave-shaped grid at the front). When I looked at the bottom mesh grid, the blue light was dim. And it didn't generate enough ozone to be worth using anymore. :o But I looked inside, and yeah, it was quite well done. Just no fuse nor smoothing, but good primary/secondary spacing, and quite good components. Just, a bit too cheap to last. Fortunately, unlike other chinese devices, this one died before it would, let's say, burn my whole house. :)

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bigclivedotcom
bigclivedotcom

While pro indoor ozone, it has to be at natural levels. Be careful not to overdo it. What's the failure mode of these?

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Althu electronics
Althu electronics

What this Yoosing this Nodyool

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techmouse1101
techmouse1101

I use chlorine to kill viruses. It's a real gas.

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bigclivedotcom
bigclivedotcom

I've experimented with that dangerous green gas. It's extremely potent. You get car and room sanitisers that use it.

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JAY Gee
JAY Gee

Chop Sticks if Bamboo ? Wondering if the quality of Chinese Detergents multiplies Fungal growth in any way more than the Western types ? Maybe this is purely a work around to avoid infectious bacteria on said chopsticks ?

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michael hompus
michael hompus

The diagram that you show at 3:57 must be wrong. What forces a current to flow in the transformer-primary (primary coil --- thyristor --- 330nF)? The 1Meg and the 12k resistor?

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bigclivedotcom
bigclivedotcom

It's correct. Just very weird

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Chuck Jordan
Chuck Jordan

I wonder if they can make a dental one to clean teeth?

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TheKingOfFailure
TheKingOfFailure

9:22 sus

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Zach Worrell
Zach Worrell

He drew a wiener and he thought no one would catch on

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Vee Anon
Vee Anon

This is what happens when your engineers tought themselves electrical engineering using only minecraft 😉

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llamasaylol
llamasaylol

I had to stop watching. The buzzing noise killer my ears. Probably wouldn't have been so bad without headphones, but the damage has been done.

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Mark W. Mullins
Mark W. Mullins

I am new to this channel, but I am HOOKED. Very well taught, and thought out. I've been around high voltages all my working life, and I have never seen anything like this before. Keep up the good work, and let us see what you can come up with next. Thanks.

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Michał Hickiewicz
Michał Hickiewicz

the "door switch" option suggest this may be some sort of refrigerator sterilisation unit?

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BluntZephyr
BluntZephyr

Not an expert on electronics but do enjoy watching your breakdowns. Ebay listing says 4 wire is Ozone generator 'and' ozone sensor power. So blue and red power an ozone sensor to control the ozone generator?

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wbeaty
wbeaty

Cool! Might it be a quartz UV tube driver? (Just ultraviolet ozone in other words? No neg ions?) Looks like high-pressure argon discharge, actually. Maybe the Chinese suppliers won't make custom tubes with Hg. One simple sensor for UVB: those color-change dye beads sold by science edu suppliers. Here's one https://www.teachersource.com/product/ultraviolet-detecting-beads

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bigclivedotcom
bigclivedotcom

I think the tube is just to couple current evenly to the glass so that a Corona discharge occurs between it and the mesh.

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Alan Downes
Alan Downes

Looks like it should zap midges.

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William ras Monaghan
William ras Monaghan

Build me a darsonval coil magnetic healing coil

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bigclivedotcom
bigclivedotcom

They're cheap on eBay.

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buttcrack bandit
buttcrack bandit

Maybe can be used as a bug repellent for behind fridges. Just like those plug in High frequency bug repellents?

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MrMaker
MrMaker

Isn't this for smell removal when people cook in a small room / kitchen. You can imagine they are popular in China etc

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fla playa
fla playa

Marketed to deodorize smelly shoes

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The Retro Shed
The Retro Shed

I made something very similar as a kid out of a xenon tube and car ignition coil. My physics teacher said to be careful that I may be creating X-rays! Good fun. :)

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Chris Cecil
Chris Cecil

Would this circuit fall under the "thyristor relaxation oscillator" heading? Seems to be very similar except they are just using the clever method to do a rectification for the AC. It looked very familiar to me when I initially saw it.

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gsh alabama
gsh alabama

Looking this up on eBay, I found it to be used for disinfecting cabinets and chopsticks.

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Matthew Hill
Matthew Hill

"To stop kids baking themselves in tumble dryers." So *that's* why they have those buttons!

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Bear Arms
Bear Arms

0:50 Corona discharge? Now we know where it came from.

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Nächster

High power ozone generator teardown with schematic

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DO NOT OPEN!  -  (Challenge accepted)

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DO NOT OPEN! - (Challenge accepted)

bigclivedotcom

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Make it edible! #shorts

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Make it edible! #shorts

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Worst fake "power saver" plug yet

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Radioactive "health" pen from eBay.

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