Building a metal detector & how does it work

[@hyperion8008]

You could use your new metal detector to find your thin solder wire!

[@jkobain]

Lol, really! What a brilliant advice!

[@ha23456thtjh]

,😅😅😅

[@DavidMG99]

😂😁

[@StuartTaylorEsquire]

"Let's solder horribly... Because it's more fun" 😂😂

[@michaelfisher9671]

I came here to post exactly the same quote but you beat me to it! Classic DGW.

[@rotwang83]

Hide the children's eyes 😂 Now let's use half a can of PCB cleaner to remove the rosin 😊

[@เซ็งเซ็ง-ฐ9ซ]

I came here for solder .

[@RGMadu]

@Agustinus Reynaldi "salt" I rolled off 🤣 *Now, put some peppers*

[@plainedgedsaw1694]

@@rotwang83 I think he just scratched it down with screwdriver the previous time.

[@Langendimi555]

No matter how old we get, these kits will always be fun :)

[@jkobain]

I'd say, they even can get more fun.

[@JAINUL_HAQ]

Sound of this tiny buzzer goes inside through my ears and comes out from my eyes... And makes my brain paralyzed

[@dan2800]

exactly

[@IanSlothieRolfe]

Whenever I use one of those buzzers I leave the sticker on to mute it a little!

[@ABID5]

Lol

[@mojoblues66]

For the purpose of this video, the LED indicator would have been enough.

[@andymouse]

'Even more rosin' of course, bench top wave soldering at its best with the bonus of self levelling conformal coating providing a robust anti corrosion layer that can prevent the ingress of most hazardous materials with the benefit of higher structural strength in both compression and shear resulting in reducing the need for more salt....I'm looking forward to your detector design....cheers.

[@JUANKERR2000]

Your 'horrible soldering' is remarkably effective, I must try it - thanks for the idea.

[@RGMadu]

Should try BGA soldering with this technique.

[@TheGuitologist]

Great video. I think I might make one of these with my daughter.

[@piconano]

I like that you show stuff on the analog scope. Most KZbinrs seem to scope-shy.

[@HazeAnderson]

You possibly inadvertently set a world record on putting this circuit together. 😆🏆

[@COBARHORSE1]

Translation: Precautions: ①Check the component list and identify the number and specifications of the components ②Check to confirm all resistance values ​​with a multimeter ③Confirm the polarity of the components and the mounting direction on the circuit board in advance! The resistance is welded to the corresponding resistance value, regardless of the positive and negative poles; Ceramic capacitors are not divided into positive and negative poles; electrolytic capacitor long-leg positive and short-leg negative; LED long-leg positive and short-leg negative; buzzer long-leg positive and short-leg negative: the transistor corresponds to the welding on the board, the switch and the terminal correspond to the board welding resistance 200K. The color ring is: red and black Black orange brown, 2k color circle: red, black and black Brown brown, 4702: yellow purple black black brown

[@hosemarino]

"Even more rosin!!!!" - i can hear those words in Diode's voice

[@jkobain]

Many of us can play it in our heads in _his_ voice!

[@antonzlo]

@Agustinus Reynaldi the whole room is shaking

[@pirelli77]

More rosin, more rosin please 😂😂

[@audiocrush]

9:00 Louis Rosmans last name should be rosin, that would explain his love for flux :D

[@AnnaVannieuwenhuyse]

his flux is not rosin based, I think!

[@AnnaVannieuwenhuyse]

I just checked; it is! It's rosin based, which makes it all the more fascinating how they can get it this good. store.rossmanngroup.com/amtech-nc-559-v2-30-cc-16160.html

[@eddiejrbation5095]

Its been awhile. While I was burning out learning electronics. This guy is still doing it 😊 thank you DiodeGoneWild for continuing your exploration of modern electronics 😊 I'll catch up with your videos.

[@TimotejStanek]

You should put more rosin in the beeper hole.

[@qbitsday3438]

I am always here because i love the way he speaks/explains.

[@DarkGT]

The real star of the video is the unique soldering technique.

[@jms019]

Suggest you muffle the squeezer so we can hear you without turning down the volume to suppress the major irritation

[@edgeeffect]

Your component marking site is great by the way. I really must try DGW "horrible" soldering soon.... it's ugly but it's SO FAST.

[@mohalothman99]

I like the tones of rosin soldering technic 😄

[@WagTsX]

next time just leave the buzzer sticker there to help reduce beeping volume, headphone users will be thankful :D

[@jkobain]

Oh, I rarely peel the sticker for this very reason you mentioned.

[@earumamaadu]

Maybe get a better quality headphone.

[@frogz]

or add a better new sticker

[@LabArlyn]

Just put some scotch tape around your headset to reduce the annoying buzzing sound.

[@kolinevans9127]

Nice rosin technique. Great video

[@sayomsarkar2810]

He keeps on showing "Even more rosin!!!" 🤣🤣. At least the whole floor is not shaking.

[@DiaconescuAlexandru2024]

I ordered this exact circuit online from eMag and it arrived two weeks ago. It didn't have the S9018 transistor and instructions. The spot for the S9018 transistor was unmarked and I assumed that I needed another to solder a S9012 transitor there. Now I finally know how this metal detector is supposed to work and I'll solder the correct transistor to make this metal detector work now. :)

[@zaraak323i]

But, what does you cat say about your soldering?

[@tesoulx]

I had solder like just two times, and every time it's like a brain surgery. Thanks for giving me confidence!

[@TESLA_KF507]

No konečně analogový osciloskop. Už dlouho nebyl využit.

[@ruimvp]

How far it detects a car? It could be a garage detector to avoid hit the wall with the car (?).

[@ЯСуперСтар]

I dont think it good at this. The oscillation is fluctuating and very depends on ambient temperature.

[@LousyPainter]

Entertaining as usual. Great video! Is there a chance you could explain the osilator feedback a little more though? Thanks.

[@jkobain]

I love using rosin dissolved in IPA: this way you can paint the area where you're gonna solder and avoid this dirty brown mess that's inevitable when using hard rosin.

[@jamiemarsden3823]

a wound coil of copper at its points of field act as the transmitter while the whole coil acts as a reciever so theres no needs to use a seperate coil for transmitting as both work in unison :) saves time and lots of money that way for other projects.

[@channelk-5145]

Can you extended with external coil?

[@jkobain]

When you splash tons of liquid solder onto the board, even if you apply a lot of rosin sometimes it tends to make short-circuits on the other side. I tested it myself.

[@andymouse]

Eh ? solder splash on one side of FR4 board makes a short on the other ?

[@jkobain]

@@andymouse yeah, that's right. You know, when it's liquid - it leaks…

[@theodiscusgaming3909]

@@andymouse because you are soldering a through hole component where the solder can go to the other side

[@andymouse]

@@theodiscusgaming3909 I know what soldering a through hole component is ffs ! its hardly a 'splash' or a 'leak' is it ? ...read the original comment again.

[@messaadsaid6935]

Thanks for sharing this circuit, the kit is usefull and important

[@ProdigalPorcupine]

I wonder why they used a UHF RF transistor (9018) for such a low frequency oscillator? I'd be interested to see how well it'd work with a common audio frequency device.

[@user-qf6yt3id3w]

I had to take some extra anti-OCD pills and wash my hands with isopropanol to recover from watching that soldering.

[@1pcfred]

It worked.

[@emppu-tech6065]

I recommend you to take a bath in IPA it works much better. I tested.

[@saschakolb7102]

It is great 👍 Especially your mounting skills with the big Soldering Iron 😅 So if I ever need someone to solder my newest invention, a switchable black hole, I will ask for, your help 😄😂👍

[@zjoesmoe2670]

Do you mind providing the name of the rosin and solder thank you I will try this way I'm having little luck with the precision soldering. Things are probably getting to hot.

[@mh0rst]

Now I don't feel bad about my horrible soldering skills anymore. Niiiiiiiiice :)

[@1pcfred]

Soldering is easy if you do it right with the right stuff. DGW just has that soldering gun though which he uses for everything.

[@ha23456thtjh]

Wow 😳 nice welding skills

[@californium-2526]

The best soldering method is the worst soldering method.

[@eDoc2020]

I use a similar thickness solder along with an old soldering gun. If anyone's wondering it is easy to properly solder 0.1" parts with it. But if I finally get some loose flux I will need to try this crazy technique.

[@Duracellmumus]

This can be an advanced version of the selective wave soldering process maybe more wavey and more selective at same time. Longer tip with compressed end act as heat ballast to get better temperature regulation by gun on/off switch.

[@peterc07]

You should try making some device from a TESLA kit i still have one lying around unpacked for some kind of audio amplifier for some kind of headphones . It would be fun if you could find one and solder a 30+ year old TESLA kit , unfortunately i can't donate mine as the package has the items in it damaged . Of course they might be very hard to find so i don't know if that's possible .

[@jamiemarsden3823]

am i correct in assuming that one of those 3 (the single wound line of contact) is the transmitter line? which must be really weak in my mind before even building my own mds-60 kit :/

[@jamiemarsden3823]

@DiodeGoneWild>> why is there 3 lines of contact on the coil on this circuit? can you explain please as i've never seen a metal detector coil that has 3 most of mine are 2 or 4 contact lines :/ 2 being singular coil and 4 being dual transmit and reciever so 3 is a bit mind boggling lol

[@fredflintstone1]

I made this kit about a year ago although I did solder it differently to you but it works the same just a bit of fun :-)

[@youman9001]

When I look at the schematic of this circuit, your soldering technique was totally acceptable ;P

[@therealjammit]

I keep seeing this being advertised on Wish (I don't have the app, it's just an advertisement on Facebook). There is no information about it. Just a picture of the assembled unit. A quick glance had me thinking it was some sort of cheap knock off wireless charger.

[@Conservator.]

0:53 This is what the Chinese text says: Confirm the polarity and the mounting direction on the circuit board! The resistance corresponds to the resistance value welding, regardless of the positive and negative poles;; AKER; LED long-leg positive and short-leg negative; buzzer long-leg positive and short-leg negative; triode corresponds to the board The upper welding, the switch, and the terminal correspond to the board welding resistance 200K: red, 2k. The color ring is: red, black, black, brown, and brown, 4702: yellow, purple, black, black, brown. Thanks to Google Lens 👍

[@youliantroyanov2941]

Masterpiece of soldering "horribly" 👍😸

[@juanhernandez1238215]

Good video , may I ask where did you purchased this metal detector kit?

[@godfreypoon5148]

Ah, you did the soldering wrong. When you get excess solder on the tip of the iron, you don't attempt to reuse it. Instead, what you must do is use a quick whip action of your wrist to flick the excess solder off the tip and across the room in the direction of a coworker. The job is complete when each article of their clothing has received a generous splashing of the solder.

[@LabArlyn]

I love messing with solder. So I attemped Mr Diode's soldering style

[@legendelectrics4668]

Nice soldering

[@Random_4400]

"Fire extinguisher" 🧯 😂😂

[@BRUXXUS]

Awesome! This is going to be great!

[@jamiemarsden3823]

@DiodeGoneWild >> any chance you can do a video with the MDS-60 but copy the circuit onto your own pcb showing soldering and making your own separate coil please?

[@alvesfsouza]

Danyk, how do you do reverse engineering and draw the schematics? There are some secrets or easy way to do? Can you make a video showing us how do you get the schematics for example of a ATX power supply or UPS

[@electronic7979]

Nice video

[@Basement-Science]

No way I'm skipping your soldering! It's too damn funny :D

[@marcin-_]

Where to buy? Any link to aliexpress?

[@amrishhirani6096]

Verry useful for inside Wall detection Thanks 👍

[@ab_ab_c]

What changes to the circuit would allow for an accurate metal detection range of 30 cm?

[@DiodeGoneWild]

A lot of changes actually. This simple circuit can't detect anything 30cm away, not even an anvil. A long time ago I tried a very simple BFO detector, it also does about 5-10cm. The only detector I built that could detect big metal things about 40cm away and coins about 20cm away was a double D coil one. Two transistors in a ZVS sine wave oscillator for the transmission coil and 3 to 4 transistors in the receiver - HF amplifier, demodulator, LF amplifier, some LED or buzzer for indication.

[@avaydon7679]

Where is your cat? The quite cat is adorable. 👍 😀

[@melplishka5978]

Can we make a variac ?..

[@jkobain]

I mostly struggle to read the markings on resistors, especially on blue enamel. This is one of two points where SMD components are better than THT ones.

[@andymouse]

Except capacitors which are a pain in the arse.

[@jkobain]

@@andymouse don't even mention that!!!

[@teslakovalaborator]

Na to pájení se fakt nedá dívat 😂 Je na čase s tím něco udělat :D

[@josephqaqish2598]

hy , if you build a seperate larger coils by the same circuit , the detect range will be greater , and with a more sensitive better amplifer also more range

[@Swenser]

How can I modify to make it go deeper into the ground. My grandfather left a note that he buried gold deep on his farmland.

[@lisadolatowski]

On the thumbnail, it made it look like small bare bones record player lol.😎

[@lordred7462]

lights are flickering, sparks are rising, EVEN MORE SALT!!! 😅

[@lordred7462]

@@Enderkruemel refference to his tesla coil video, with this fraze even more rosin

[@rupe82]

That high pitch noise at 15:35 sounds exactly like my tinnitus. What is it?

[@LuminescenceMediaBloom]

What's called of part's in market, i mean the parts of that that in the store whats the name of store

[@shanejohns7901]

So what is needed to detect from farther away? This looks like it in not very useful, because it's only detecting from 1 or 2 inches away. And that's through air, without any dirt blocking the signal. What would you need to change about it in order to make it detect say a foot or two deep, through soil? Would the same circuit work for that, perhaps with more volts and a modified (wider?) coil? That included potentiometer seems to offer too much of a range to be of any use getting a finely-tuned discrimination level.

[@ats89117]

Great video. Looking forward to you building a much better metal detector!

[@DigitalBhangari]

That quick soldering will infuriate a lot of young people out there

[@Tigrou7777]

I had to close my eyes, I couldn't watch this 😫

[@frogz]

......it makes me laugh because i do the same thing

[@arthurmead5341]

Yeah i'm totally fuming

[@jamiemarsden3823]

most of my builds are made with a single coil using only 2 contacts which act as a transmitter/reciever all in one so theres no need for a seperate transmitter coil like the DD coil has for example

[@melplishka5978]

Love your channel bud.

[@Muslim_011]

Nice If possible, making a video about increasing the sensibility of this little metal detector by increasing the coils and/or adding more components like transistors or ICs

[@jkobain]

11:36 - Well, when you demonstrated the board up close, it was obvious that it has a tap after one outer turn.

[@Globigal]

Try to find a wire on the walls. When is AC and no power 😉

[@machenka]

My ears will never be the same after watching this video while using my earbuds. Beeeeeep!

[@medienmond]

Yippieh! New content that is not usb power supplies...

[@jeffm2787]

So wishing you would have put some tape over that buzzer.

[@Earthling418]

So, what does the hansom cat think about soldering horribly? Actually, I did not know about that rosin trick. Thanks, again, for a fun video.

[@gianluca458]

I have this same kit!! Maybe if you change the S9012 with another transistor, but A DARLINGTON ONE, maybe the gain will be higher and maybe it can detect at more distance? Maybe?

[@gerrywoody4301]

A plumber using a blow lamp comes to mind

[@t1d100]

Thank you for your efforts to train and entertain us! Much fun! A few good laughs! 1) If the unit is detecting aluminum, might it be that the unit is really just a capacitive sensor? 2) I think that the capacitor C5, on the buzzer, is just to make sure the buzzer has a continuous tone... Meaning, that it would not make a scratchy sound, as the circuit turns on and off, with minor fluctuation in the distance to the metal object being detected. 3) I watched this video, because I wanted to see if the unit might make a good sensor for a motorized, hands-free, solder wire dispenser. The technician would use a bit of wire and, then, the dispenser would advance the solder wire back to the point of beginning. I hate trying to pull out fresh wire, with my hands full of a really hot soldering iron. That's just plain dangerous, in my opinion. Do you have a suggestion for a better sensor for that purpose?

[@taharmouz8864]

What if touch it with your hand?

[@nikiamz6501]

Love this tipe of videos!

[@FoolhardyEngineer]

Precautions: Compare to the component list to count and identify the number and specifications of components ②Check and confirm all resistance values ​​with a multimeter. ③Confirm the polarity of the components and the mounting direction on the circuit board in advance! The resistance corresponds to Resistance welding, regardless of the positive and negative poles; the ceramic capacitor does not divide the positive and negative poles; the long leg of the electrolytic capacitor is positive and the short leg is negative; the long leg of the LED is positive, the short leg is negative; the buzzer is long leg positive, the short leg is negative; the transistor corresponds to Welding on the board, the switch, and the terminal correspond to the board welding resistance 200K. The color ring is: red, black, black, orange and brown. The 2k color ring is: red, black, black, brown, and brown, 470: yellow, purple, black, black and brown.

[@calmifyme]

thank you for your time

[@arthurmead5341]

Tips fedora

[@Killeroz]

To pájení jsem nedal :D

[@xcrdude]

I wanna see this guy do a SMD project..

[@ChillPlaysHD]

How can I donate stuff to you?

[@frogz]

flux is

[@frogz]

also, you would make louis rossman happy with your use of not enough flux, never enough flux!!! does the coil detect the same distance from front and back of the coil? it could be pure proximity or it could be directional

[@barryliebich3993]

Remember not wear safety shoes with steel caps when treasure hunting

[@chongtak]

Wait a minute! That must be the reason why I always dig a 2 meters deep hole each time my metal detector beeps. To find, nothing.

[@DigitalElectronicsCircuitsLab]

very very dodggy soldering :D :D

[@amkp40technology]

Hopefully enough 1KG solder 😂😂😂😂😂👍🏻👍🏻👍🏻❤️❤️❤️❤️😂😂😂

[@miscojones35]

At this point we know you solder like that only to trigger us!!

[@keithyinger3326]

It works! Not very well, but it works. I suppose its good for finding lost screws in carpet, but the depth of detection is a bit lacking. Not bad for such a simple circuit though i suppose. Reminds me of my old Radio Shack $20 metal detector. Its good for about 2 inches deep.

[@calmifyme]

Gotta admit your accent is so smooth