I did it and it worked!!! it's really cool and was you addjust the fly back trasfomer(when it's unplugged,thanks for the tip) you can make it be a thick rainbow line.
if you can make a vr headset, no need for audio. just plug hdmi into pc, no android required, ill pay you for it. gotta be under whats in the market of course. and try mimic the lighthouse tracking that htc vive has. Its way better than IR positional tracking, a little anyway.
i was attempting what he did, ended up getting shocked twice. Apparently the hole where the suction cup was plugged in held a charge too so when i went to wipe the dust off the back of the tube i got a good jolt. then i tried making an arc like he did when he unplugged the suction cup in the previous video and it ended up jumping from the ground wire i had to my hand instead. even more involuntary arm dancing
Shango066 has a video where he ends up going through the "supporting levels" of vintage CRT's. Excellent video! If I recall correctly, horizontal drive is what drives the high voltage.
I love CRTs and I collect them so quite obviously when I acquired a monochrome PVM that had no other use I had to try it and now I have an oscilloscope in my hi-fi
Hi, I just completed this project, and it worked like a charm- I loved it... until it tried to kill me... (Not really). I was playing normal songs and using a frequency generator when the tv suddenly screached at me- it sounded like the flyback transformer. It was a sudden, very loud, continuous high-pitch sound. I unplugged it immediately. Any idea what happened? Is it dead? Thanks!
Hey man! I’ve been searching around on the best ways to do this, I think my tv is one like yours, any other ideas to remedy the “protection mode” it goes into since the video was made? I don’t have another tv to sacrifice 😓 Currently I have it set so there’s both wires from my stereo speaker outputs, hooked up to both the horizontal and vertical coils in the tv Whilst leaving the flyback to charge the tube of course, if you have a chance I’m going to post exactly what I have currently on my channel for reference, but I really like it how you had it going! Truly what I was aiming for initially. Was the audio from your stereo just coming from one speaker positive and negative?
Always resourceful and enjoyable video contents, yay! Thank you very much Nate:) i really love what you're doing** i love physics, too. Thanks to you😊 you are so inspirational! Did you self thaught yourself? You're crazy talented^^ i already give a thumbs up plus subscribed. Love ya♡ (btw, i have one question: what does flyback transformer exactly do? Is it a high voltage converter thingy?)
However, if you mean to say what does it do within the TV, it applies a high voltage field across a near vacuum of the CRT, and so this way, the electrons with a negative change are driven towards the positive side of the TV, the electric field causes the electrons to accelerate to a very high velocity, so that when it collides with the phosphorescent screen, it will be enough to create photons of visible light converted from the energy of the electron :)
The reason that the TV didn't start up with the same amount of resistance in resistors as the resistance of the coil, is because of the inductance of the coil. The coil will limit current by using power to drive the magnetic field associated with it. Resistors won't do that, so you'd have to use something of equal inductance.
Hi David, I seem to be running into this problem trying to build an oscilloscope of my own, what could you use in this case that isn't a resistor? Thanks!
If you don't wanna have it laying on it's side and you'd rather just use the 60hz, you can just plug the vertical deflection out from the board into the horizontal coil. Also, I agree that the "safer" TVs suck for any electronics projects.
Hi! Did this with a tv, after some time, the beam in the center of the screen created a small dark spot that stayed after turning the device off. Can it be dangerous to continue using it? I'm thinking it might have removed the safety layer inside and I'm afraid of the x-rays.
Thank you Keystone science I was building oscilloscope from TV to but it didn't work there's even video in my Channel but after watching your video I made it so it works. if there wouldn't be you I don't know what would I do So yeah thank you dude you are the best.
Hello, Keystone Science. I built one of these oscilloscopes this afternoon; easiest electrical build I've ever done thanks to your video. But if I had an input signal and wanted to determine its frequency, how would I go about changing the speed at which the electron beam zips back and forth across the screen, like a "real" oscilloscope? Could you cover that in a future video maybe?
the speed of the horizontal sweep is usually controlled with a sawtooth wave generator. i imagine the answer youre looking for is related to computing a value from there.
The thing that sincerely baffles me, is how many great electricians and engineers that make these amazing instructional videos and for some reason they all have the same flaw. They have advanced knowledge of circuits and signal processing etc... and for some unknown reason THEY ALL CANT FIGURE OUT THE AUDIO FOR A YOTUTUBE VIDEO! Either it’s clipping to shit like this one or its way too quiet. You see crazy $ put into a scope or tools, and they couldn’t hack together a decent mic and preamp? And also understand what hard clipping is?
@@KeystoneScience Mine isn't working. the line is about an inch long and it is just getting longer and shorter along with the music. Reminds me of a vu meter. how do i fix this? can u reply soon?!!!!!!
what if you swich the wires of te gray and jelow whit the blue and red you can rotate the tv to its original position an you dont have to conekt a second coil
I believe it is with the way CRT's create images by 'scanning' the beam across the screen. They scan top to bottom - left to right. The left to right scanning was probably just to fast for him to properly display audio frequencies so he used the top to bottom scanning.
But switching* the* x and y is just* rotating the* screen* 90 degrees.* Yes but the scanning speed for X-X and Y-Y are diffrent. X-X scans faster then Y-Y. This is because for every Y incriminate it scans a whole row of X.
So... when I got this tv, it wasn't working. I learnt it was a simple problem with the flyback Anode. It was misplaced. I basically put it on the right position, and turned the tv on. It worked properly! Well, at least for the next 2 minutes, hehe. I turned it off, and when I turned it back (actually, just plugged it on the outlet, and it started by itself) it behaved like yours. It took some time for the image to appear, the image presented those diagonal strips, and after some time it would turn itself off. That's all I know... Hope I can still save this tv for useful experiments! :D
+Patrick Sarmiento I'm not quite sure tbh, I haven't taken any classes or anything yet, but I guess it's just fun to take apart things and learn from them :D
your channel was shown on my main page i dont have a huge sample size but i think u might be getting some deserved love from the youtube algorithm Keep up the good work :^)
he had two, one of them he accidentally caused the flyback transformer to short I believe, and its pretty near pointless to try and find the exact flyback for that specific tv, he could just find another on the side of the road
Why can't i build one with modern monitor screen? Surely there must be a fucking way to take electrical input into a circuit and output it into information that displays the sin waves on a normal screen Jesus christ I mean the electrical current IS all ready the wave It just needs to go into a circuit that takes that information and expresses it I just want to be able to build that circuit But no I have to go hunt for an ancient piece of technology that is litterly unfindable l
it would be Better to make such digital oscilloscope that can show up the Frequency , voltage , Delay , amplitude etc using arduino and its crt tv communication Program will be much better
Be forewarned TV'S can provide FATAL doses of electricity, They operate with high voltage even in what may appear "safe innocuous places" even after being unplugged. The hi capacity capacitors hold charges for lengthy periods of time. BE CAREFUL. Always unplug, let TV sit for at least an hour, then discharge the capacitors. Discharge capacitors with grounded screwdriver no bare metal where you touch the tools. Always use grounded electronic tools- rubber grips on handles (minimum, use best insulated tools you have). If you don't know what I mean by anything written above leave TV alone! Don't take it apart. Again take extreme precautionary measures. High voltage can kill!
@Keystone Science BTW that set was way smarter then you, becuase by shutting down after messing with HV saved u from exposition on X-rays!!!! Yes, CRTs can generate X-rays when you set too high anode voltage too high!!!
By the way, you can calibrate this to use to measure peak voltages and such, I'll make a video soon showing how
I did it and it worked!!! it's really cool and was you addjust the fly back trasfomer(when it's unplugged,thanks for the tip) you can make it be a thick rainbow line.
if you can make a vr headset, no need for audio. just plug hdmi into pc, no android required, ill pay you for it. gotta be under whats in the market of course.
and try mimic the lighthouse tracking that htc vive has. Its way better than IR positional tracking, a little anyway.
Keystone Science, I made one this evening, but it keeps popping capacitors and mosfet transistors... any remedy for that?
Keystone Science
+zeb evans wait, the oscilloscope is popping mosfets and capacitors?
Your channel is gold
I learned to be careful taking apart tvs like that the hard and painful way
i was attempting what he did, ended up getting shocked twice. Apparently the hole where the suction cup was plugged in held a charge too so when i went to wipe the dust off the back of the tube i got a good jolt. then i tried making an arc like he did when he unplugged the suction cup in the previous video and it ended up jumping from the ground wire i had to my hand instead. even more involuntary arm dancing
Shango066 has a video where he ends up going through the "supporting levels" of vintage CRT's. Excellent video!
If I recall correctly, horizontal drive is what drives the high voltage.
I love CRTs and I collect them so quite obviously when I acquired a monochrome PVM that had no other use I had to try it and now I have an oscilloscope in my hi-fi
It just wants to exist! Awesome video
Interesting but that music too way too loud and distracting.
He probably can't tell how loud his music is, since he destroyed his oscilloscope. Maybe he's destroyed all his test equipment in a similar fashion.
Wait. What was that reflection in the thumbnail?
I saw boobs in the thumbnail, it was just legs
4:28 im having the same issue with a tv of mine. I will adjust the flyback knob DOWN to get rid of the retrace lines
Hi, I just completed this project, and it worked like a charm- I loved it... until it tried to kill me... (Not really). I was playing normal songs and using a frequency generator when the tv suddenly screached at me- it sounded like the flyback transformer. It was a sudden, very loud, continuous high-pitch sound. I unplugged it immediately. Any idea what happened? Is it dead? Thanks!
did you try turning it off and back on?
I mean it's a tv after all so
are you alive still or did the tv kill you
Am also curious if you are still coherent
@@StaticFPV hahahahahahah
Hey man! I’ve been searching around on the best ways to do this, I think my tv is one like yours, any other ideas to remedy the “protection mode” it goes into since the video was made?
I don’t have another tv to sacrifice 😓
Currently I have it set so there’s both wires from my stereo speaker outputs, hooked up to both the horizontal and vertical coils in the tv
Whilst leaving the flyback to charge the tube of course, if you have a chance I’m going to post exactly what I have currently on my channel for reference, but I really like it how you had it going! Truly what I was aiming for initially.
Was the audio from your stereo just coming from one speaker positive and negative?
Always resourceful and enjoyable video contents, yay! Thank you very much Nate:) i really love what you're doing** i love physics, too. Thanks to you😊 you are so inspirational! Did you self thaught yourself? You're crazy talented^^ i already give a thumbs up plus subscribed. Love ya♡ (btw, i have one question: what does flyback transformer exactly do? Is it a high voltage converter thingy?)
awe, thanks
However, if you mean to say what does it do within the TV, it applies a high voltage field across a near vacuum of the CRT, and so this way, the electrons with a negative change are driven towards the positive side of the TV, the electric field causes the electrons to accelerate to a very high velocity, so that when it collides with the phosphorescent screen, it will be enough to create photons of visible light converted from the energy of the electron :)
I'm using the exact same tv what a coincidence and convenience..
+Anthony Vega hahaha xD good to hear!
Keystone Science I'd love to see something like how to make powerful electromagnets
My TV is a Sanyo DS13204 So do i only need the brown and black???
_Impressive also..._
The reason that the TV didn't start up with the same amount of resistance in resistors as the resistance of the coil, is because of the inductance of the coil. The coil will limit current by using power to drive the magnetic field associated with it. Resistors won't do that, so you'd have to use something of equal inductance.
Hi David, I seem to be running into this problem trying to build an oscilloscope of my own, what could you use in this case that isn't a resistor? Thanks!
Connect the horizontal coil to the vertical output, And connect the audio to the vertical coil. Boom don't even need to turn it around.
Pretty cool bud.
Warum machst du das Gerät kaputt?
If you don't wanna have it laying on it's side and you'd rather just use the 60hz, you can just plug the vertical deflection out from the board into the horizontal coil. Also, I agree that the "safer" TVs suck for any electronics projects.
I think I heard the TV mutter, "Just a flesh wound".
Hi! Did this with a tv, after some time, the beam in the center of the screen created a small dark spot that stayed after turning the device off. Can it be dangerous to continue using it? I'm thinking it might have removed the safety layer inside and I'm afraid of the x-rays.
its just screen burn. its nothing really.
so basically you just wire a stereo to a decoder using vertical or horizontal lines to generate the image? seems simple enough.
Would it be able to draw awesome forms by using different tones?
It's a Wonder for enjoyce sounds. Make them deeper in the soul!
"A special tv"
Aka a little mother...
Thank you Keystone science I was building oscilloscope from TV to but it didn't work there's even video in my Channel but after watching your video I made it so it works. if there wouldn't be you I don't know what would I do So yeah thank you dude you are the best.
It won't have any residual charge like that right? I am doing this for another project and I am not connecting it to power
Hello, Keystone Science. I built one of these oscilloscopes this afternoon; easiest electrical build I've ever done thanks to your video. But if I had an input signal and wanted to determine its frequency, how would I go about changing the speed at which the electron beam zips back and forth across the screen, like a "real" oscilloscope? Could you cover that in a future video maybe?
the speed of the horizontal sweep is usually controlled with a sawtooth wave generator. i imagine the answer youre looking for is related to computing a value from there.
How much watt has the audio amplifier? I have a little 3 watt amp, but it's not working.
Dude it's so dope!
that was fun.
You are aware shattering the CRT like that releases a lot of toxic compounds, yes?
Otherwise, good video.
Yeah, the main toxic part is the ceramic part of the electron gun, and I was sure not to break that :D and thanks!
Why not make it horizontal?
The scanning of the tv makes it very hard to make it horizontal, it is much easier this way
You just connect the Horizontal coil to the Vertical output on the circuit board.
Why would you destroy your tv?
Love that pizza box!
The thing that sincerely baffles me, is how many great electricians and engineers that make these amazing instructional videos and for some reason they all have the same flaw. They have advanced knowledge of circuits and signal processing etc... and for some unknown reason THEY ALL CANT FIGURE OUT THE AUDIO FOR A YOTUTUBE VIDEO! Either it’s clipping to shit like this one or its way too quiet. You see crazy $ put into a scope or tools, and they couldn’t hack together a decent mic and preamp? And also understand what hard clipping is?
I don't understand how you connected the crt to speakers
can this be used in a radio troubleshooting lab for RF? i need an oscilloscope but they are way to expensive
thanks for the video i enjoyed it!!!
Your videos are great im subbed!!!
how about a frequency generator?
Thanks for this video! Do you know if this would work with a CRT monitor? Or do I need to use a CRT TV? Thanks!
+Josh Alpaca hi! A CRT monitor should work fine for this aswell, as long has it has the horizontal coil, and the vertical coil then it should be ok!
Thank you so much!!! By the way, I love your channel!
@@KeystoneScience Mine isn't working. the line is about an inch long and it is just getting longer and shorter along with the music. Reminds me of a vu meter. how do i fix this? can u reply soon?!!!!!!
Brilliant.
Which wires should I touch with my tongue for that zing effect?
Probably the red one. The other one is ground, so one wire will do ;)
Obviously don’t actually do this 😅
4:38 hey guys, do you smell mercury?
Great content, but it’s difficult to hear you. The music is much louder than your voice.
what if you swich the wires of te gray and jelow whit the blue and red you can rotate the tv to its original position an you dont have to conekt a second coil
I believe it is with the way CRT's create images by 'scanning' the beam across the screen. They scan top to bottom - left to right. The left to right scanning was probably just to fast for him to properly display audio frequencies so he used the top to bottom scanning.
but swicing x and y is jus rotating te sceen 90 derees
But switching* the* x and y is just* rotating the* screen* 90 degrees.* Yes but the scanning speed for X-X and Y-Y are diffrent. X-X scans faster then Y-Y. This is because for every Y incriminate it scans a whole row of X.
different* increment*
do a vid on how to make a step up converter for 3-4000V pls :D
Pieman 3.14 Hey wassup
Voltage double circuit.
Damn 6 years ago I was 10 y/o 😅
I belive I just shorted out my TV. Is there any thing I can do so that it will work again? Thanks in advance.
+CallForPlay where did it short out at?
So... when I got this tv, it wasn't working. I learnt it was a simple problem with the flyback Anode. It was misplaced. I basically put it on the right position, and turned the tv on. It worked properly! Well, at least for the next 2 minutes, hehe. I turned it off, and when I turned it back (actually, just plugged it on the outlet, and it started by itself) it behaved like yours. It took some time for the image to appear, the image presented those diagonal strips, and after some time it would turn itself off. That's all I know... Hope I can still save this tv for useful experiments! :D
great brother
I have seen a channel that is a guy who makes music that makes cool animated pictures on your oscilloscope. you should check it out.
Joseph Chinn jeroboam fenderson
What is the maximum voltage I can test using this?
Could you still use it to watch TV and can you study electrical frequency
You would have to hook the wires back up the way they were originally, of course if you break the tv you absolutely cannot
Last part looks satisfying. I recommend everyone does the same.
+Alpha Zen yes, quite :D
in memory with dat music lol
Hahaha, such fond memories with that tv :P
Special TV
It’s a shame braking a tv you can use it in the bathroom 😅 if you don’t have free space (I still use crt)
1:38 horizontal
Please respect the things man, Good signal display demo though.
make a diy fluoroscope from a CRT TV
curious me: how do you know this stuff in such early age??
+Patrick Sarmiento I'm not quite sure tbh, I haven't taken any classes or anything yet, but I guess it's just fun to take apart things and learn from them :D
he is on time, YOU ARE LATE!!!... lol
I think I'm in love.
pROBABLY CANT DO IT SOMETHING SMARTER THAN THIS
wow😨😨
you great
does it have to be crt
+John Osborne for this, yeah . But I'm sure you can find one for free around :D
But. but... YOU WERE JUST AT 10K subs yesterday and now you have 17k???
+Edward Sun haha I know xD, 2 days ago I was at 3k subs :D
your channel was shown on my main page
i dont have a huge sample size but i think u might be getting
some deserved love from the youtube algorithm
Keep up the good work :^)
Keystone Science 5 days later and now you are at 48k nice! Now teach us how to hack RUclips to get the same results 😀
You got viral! congratulations!! i'm happy of find your video.
For the history: now you have 65k!
There is no serious information in this video.
I aint avin it, wheres my hammer!!
Please wear mask while breaking the TV the gas present in that is not good for health
I still don't get why breaking the screen was inevitable.
he had two, one of them he accidentally caused the flyback transformer to short I believe, and its pretty near pointless to try and find the exact flyback for that specific tv, he could just find another on the side of the road
Why can't i build one with modern monitor screen?
Surely there must be a fucking way to take electrical input into a circuit and output it into information that displays the sin waves on a normal screen
Jesus christ
I mean the electrical current IS all ready the wave
It just needs to go into a circuit that takes that information and expresses it
I just want to be able to build that circuit
But no
I have to go hunt for an ancient piece of technology that is litterly unfindable l
it would be Better to make such digital oscilloscope that can show up the Frequency , voltage , Delay , amplitude etc using arduino and its crt tv communication Program will be much better
I'm the only one who see the thumbnail hahaha like if you saw it 🤣
também to construindo um kk
phillips system awb catode close
Now study ‘ acoustics ‘ and microphones
It’s way funnier too blow it up lol.
Audio was mixed horribly
Good video, but background music is terrible.
I wish you'd go ahead and stop saying go ahead.
+Leslie Russell fine , perhaps I'll go ahead and stop saying go ahead
You know that there’s X-ray radiation in there right?
BPl down sumita horror
I got mad
Be forewarned TV'S can provide FATAL doses of electricity, They operate with high voltage even in what may appear "safe innocuous places" even after being unplugged. The hi capacity capacitors hold charges for lengthy periods of time. BE CAREFUL. Always unplug, let TV sit for at least an hour, then discharge the capacitors. Discharge capacitors with grounded screwdriver no bare metal where you touch the tools. Always use grounded electronic tools- rubber grips on handles (minimum, use best insulated tools you have). If you don't know what I mean by anything written above leave TV alone! Don't take it apart. Again take extreme precautionary measures. High voltage can kill!
😂😂😂😂😂🤣😆✅✅✅✅✅✅✅✅✅✅✅✅😊
turn off the music
Thumbs Down for Breaking it
The clipping is annoying>.>
music too loud
Kill the annoying music!
what is point of this stupid music ?
@Keystone Science WTF!!!!!! Dude, CRT can implode!!! Smashing it with axe is dangerous!, you can get hurt rly badly!!!!!
@Keystone Science BTW that set was way smarter then you, becuase by shutting down after messing with HV saved u from exposition on X-rays!!!! Yes, CRTs can generate X-rays when you set too high anode voltage too high!!!