Make Your Own Cell Phone Signal Jammer Using NE555 Timer
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Parts Details :
NE555 Timer
BF495 Transistor
2PF Ceramic Capacitor
4.7PF Ceramic Capacitor
3.3PF Ceramic Capacitor
47PF Ceramic Capacitor
30PF Variable / Trimmer Capacitor
1uF 63V Electrolytic Capacitor
10K Resistor
6.8K Resistor
82K Resistor
220E Resistor
5.6K Resistor
24 AWG Copper Wire
3 Pin Mini Slide Switch (SPDT)
3mm LED (Green)
2Pin Male Header Connector
9V Battery Connector
9V Battery
Link : PCB layout, Silkscreen, Schematic
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bit.ly/2sxxLNg
PCB Making Tutorial Link :
• How to Make PCB for Mi...
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How To Make a Cell Phone Jammer
Cell Phone JAMMER | Disable Phones Instantly!
Cell Phone Jammer
Simple GSM cell phone jammer with circuit diagram
Mobile Signal Jammer
Mobile Signal Blocker
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## Cell Phone Signal Booster for 2G-3G-4G Network
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I want that board how much cost
Please reply on 9640388183
Sir board kha par milaga and price please reply me sir
Creative Science
I want to buy this circute
Can you tell me
Where is available this circute
If not available anywhere then can you provide
Plz send msg my mail id--vk072199@gmail.com
Thanks! Now I can beat my kids without the hassle of my wife calling the cops! Luv u man!
XD
Wow....
😂😂😂😂😂😂😂😂😂😂😂😨😨
@Ralsei with a gun 😭🤣🤣
PRO TIP: Buy some beer to make it more fun
It works
My video started buffering when he switched on
lol
Hahahahahaha lol
🤣
Lol
😂😂
I built a police radio jammer in a matchbox back in the early 80s using transistors for the oscillator rather than a 555. I tuned it by sitting in the coffee shop by some cops and used a flattened toothpick to adjust the Fq through a hole in the box above the PCB pot until their radio just went dead silent. 555/556/558 are one of the most useful ICs on the market though.
I also built a super bright flashlight with a 555 to switch an LED on and off with 5vdc from the output pin so fast it looked like a solid beam but too fast to burn out the LED.
Good old days.
Please it's not working, it keeps generating 500khz and it doesn't block signals, could you help me plzzzzz
None of these circuits will work.
No need to jamm the signal in idea. As it is already 😉😉
I made similar tv jammers in the 70's, got into a lot of trouble as well! this is just a "dirty" square wave oscillator that jams "dc to daylight" like the old spark transmitters, jams all frequencies, but as commented below, limited range.
Great Project !, Now we need a 3G and 4G LTE version of this jammer. I would totally use one of these to mess with my sister, she always has terrible reception...LOL.
Bro it's work?
Please tell
@@simplegamer056 I don't know I never used it
Every smart dad gonna have one of these installed under the dinner table 😅
🤣
🤣
Unfortunately today the cellphones use 4G technology. This device was tested with a cellphone that used 2G technology.
Yes😂😂
I was thinking about such uses myself... LOL
Excellent Presentation as well as impressive. Instead of using this as a science project. Use this in Competitive Project. The Medal is Your's
I don't want to waste my time making this.... I have Sprint. 🤷🏼♂️
iloveflyleaf2221 Even if u saw that circuit in thumbnail why did clicked it??? HUH..???
@@HasnainKhan-qn2nf you might want to learn sarcasm
Yeah damn phones dont work anyway. Hell just fart in a room with a sprint phone and that'll stop the signal
@@theson22788 I don't think they have that where he's from lmao
Why you see this video
A buddy of mine years ago had one he got off Ebay and would love to walk around in a crowd with this in his pocket. Any call within ten feet would freeze up and loose audio or drop.
Was funny, but damn I always told him if someone figures it out you are toast. They don't sell these anymore. The other devices for pranksters was a GPS blocker and an I-phone lookalike that would turn off any TVs. Great for superbowl days. LOL. Not me, I like a laugh, but I like living also.
At least you know the risks. Interfering with radio signals is a federal crime. Upon convicition = getting shafted in prison.
That's very antisocial and if you get caught a criminal offence. If badly designed could also interfere with pacemakers.
Such a system is urgently needed in the mosque
@@TECHNICALEXPERT your brain is sick
🤣🤣🤣
Puts a pin header on the PCB.
Solders wires onto header pins.
( ._.)~~~just...why?!?
Because India "Engineering"
Schematic is NOT RIGHT!! Resistors 10k & 5.6k the middle goes to base of the transistor!!
My thought too. Either use the pin header for what it's designed for (making a removable connection) or just solder the wires to the board.
Yeah 🤣
I wanted to yell at him for this
The fun part is making your own circuit board with a Dremel tool and working from the blueprint . The range on this version has better range than anticipated .
To start, that wire is NOT 24 awg wire. being used for the coil. I work with 22 and 24 awg wire every day. It appears more like 16 awg
I'm an electrician and it looks like 14 awg to me.
you are right it more like 16
It's the coaxial core it worked
How significant does the guage of wire determine the amount of inductance of an air-wound coil if all other parameters remain constant?
L= (d^2 * n^2)/(18d+40l)
where:
L is inductance in micro Henrys,
d is coil diameter in inches,
l is coil length in inches, and
n is number of turns.
Thi guy is a liar!!! Not only is the 24 AWG wrong as you say, also the pc board when he shows you how he assembles it you can see there is no resistor for the LED the when he flips it over, oh magic you have the resistor. Also the pcb in his link has a mistake where the led goes... you have to modify it. I CAN NOT UNDERSTAND THESE GUYS!!!
I think if you turned a hair dryer on that close to that phone the signal would be blocked.
elvis316 ha!!! You beat me to that!!!! So true!!!!
For real??
A hairdryer is basically a fan (aka a motor with blades) and a heating element. The motor uses coils to rotate, which emits a fluctuating magnetic field. If you're close enough, the magnetic field will overpower the signal, but only on the frequencies it emits ( that would be the rpm of the motor * the number of poles of the motor, and multiples of this frequency, plus probably the 50 or 60 hz from the power grid)
@@brisingreragon95 I'm not sure if that answer the question but good explanation of electromagnetic interference and why my laptop gets ou of sleep when I turn the lights on or off.
@@brisingreragon95 oh you got to be shittin me
This is not at all true
3:21
a bug in the assembly process.
Literally😂
Actually that was an ant
@@Ni-rj1oq an ant IS a bug
Wanna join CID
How guys could you notice these things😮😮😮😮😮🤔🤔
Good skills to have for the coming wars.
You would have to within 5 inches to block a phone so if your that close you could simply turn it off
One with a 20 foot range should be a standard piece of equipment for every motorcycle.
And if your a school teacher you could block the students from using their phones while in class
it could be a disaster if u had an incident, cant move and unable to call 911 due to jamming device that installed on it
@@Ivorbiggin And if your a school teachers what?
ElecTrev
Block the students from using their phones while in class
@@brendencampbell3082 Dump People?
So this is the device used by the monsters/ killers in horror and thriller movies.
Model
Yup
to increase range you would need a Q2 with a bit more power, you could also reduce the value of R4 slightly to increase range, but if you go to low it will burn the transistor
And can i do that how to increase range at least around my house.
where did you learn this any books you can recommend me ?
@@goran-is6zr you should study electromagnetic waves to learn this stuff but its generally common sense to get more efficiency you should get a high output for any electronic device. in this case resistor protects some of the elements in the circuits while loads the circuit a bit which causes range to decrease. you can start learning with basic circuit theory and electronic devices like transistors, diodes, op amps and so on, after that study electromagnetic field&wave theory in order to comperhend the basic logic of antennas.
All classrooms in schools should have these as standard. When I was a secondary school teacher far too many kids would not put their phones away. The response by the senior management wasn't to totally ban phones in school, but tell teachers to take the phones!!!! Recent research indicates that far form potentially being educational tools, you are far more likely to remember something you read on paper than on a screen. I write novels and most of my research is done using books. If I use Wiki or similar, I have to write stuff down or print it out to remember it.
Put outside rival drug dealers houses.
Use it during bank heist
DeadlyVenomKing now your thinking.
I dont understand why you soldered the wires to the header pins. Also range on this is what 3 inches maybe.. whats the point of this.
Proof of concept I guess
How the hell do people know what to do with all these wires and components. I'm so confused
When watching movies at the cinema
You used old nokia phone to demonstrate but does that jammer work in morden mobile like *red mi* and *Lenovo*😃😃😃
Pls answer
Actual inductance values would be helpful; without knowing the exact cross sectional area it can't be easily calculated.
24 AWG? Looks closer to 16 AWG.
Every smart dad that is fed off of his wife will install it in the whole house
other title: how to get arrested quickly
jeah the nsa is watching you , turn it on and they are rushing you with tactical shields and helicopters
RanDoom guy Do this in the UK and you're looking at a max £20,000 fine and/ or 6 months jail time.
Very funny. Very true.
😅😅😅😅
@@bernhardtrian7471 OK, I'll happily watch the NSA send techs and engineers after me. Tell us, where would they come out of? The Friendship Annex or Meade proper?
Now, do that for 10 feet and farther, see the FCC rushing you with guns and big assed fines, plus possible prison.
Finally killed that cell phone 3 inches from me!!! Building "radio frequency" blockers/jamers for years.... look up the queensland and you will see
3 inches only!! Lol 😂
Woot
This is useful when my teenage daughter is phoning her friends at 2am in morning and keeping me awake
Schematic is NOT RIGHT!! Resistors 10k & 5.6k the middle goes to base of the transistor!!
And the schematic says: 4.7 uF elect, and he uses a 1 uF !!!!
...it also jamms old radio controlled car access. ;)
you make this ?
all my phone arround about 10meters also my 27mhz car toy jamms with this circuit, but isn't take affect with my drone 2.4ghz/5.8ghz
Kadek Sudarwika that's because your drone is using a Wifi frequency, which isn't quite the same thing as a cellular signal
Atze Fatze not in America. We use the 27 MHz band for that here.
Where i got this circuit
I don't need this jammer in house already there is no signal u come to my house but hat's off for ur talent
imagine some annoyed parent watching this just to make one to block their kids phone
blurry rubbish.. A NE555 GHz transmitter??
Erroneus title that induces to confusion, the heart of jammer is not the 555, RF Common Base colppits oscillator instead. The 555 only serves to attack it modulating by square wave signal using varactor effect in B-E Junction in order to expand the spectrum. This RF oscillator works close to IF frequency.
LoL I was watching charger percentage and thought it was not working😣😂
*_The Payday Gang_** wants to know your location*
I nEeD a MeDic BaG
Miami,fl
He is INDIAN. I bet 100£
damn i cant wait for pd3
WULULULULULULULULU
Would love to hide one of these in the toilet at work
Fuckin genius. Why does this only have 7 likes
Genius
@@Liam_D now 17 with mine😝😝😂💤😂😂😂😂😂
Or throw stink bombs inside the restroom they won’t last that long
he jammered his own phone at 2 inch distance ,, wonderful
Very nice work
Kia bat ha lar ka tu na to kamal he kar dia
😇
how long of that distance from hypocenter?
How can you upgrade the effective range
Proper RF circuit and PCB design!
What’s the range on this and can you increase it w/ larger antenna? 🍟
Very nice project
3:15 What is a 220 E Resistor
it looks like you have a resistor RED, RED, BROWN, GOLD which is 220 Ohm (5% Tolerance) it could be silver, i can't tell , in which case 10% Tolerance,
but what's the "E" For ?
This is just "." or Ohm, Morze code use "." how "E"
5E6=5R6=5.6Ω
56E=56R=56Ω
560E=560R=560Ω
coils has different count of threads as described :D
Actually what is the name of the Chip ( circuit board ) if you want to buy it out side
Its PCB (PRINTED CIRCUIT BOARD). Screenshot the layout nd get it made from any local pcb maker. Rest of the items are written in description
@@mohitrocks55 So we need to show the circuit and ask them to make it
@@Lastday3 Yes
All a circuit board is its wires so you could just make the same layout with wires i believe
He also showed a wiring diagram too. But it becomes complex as there will be lots of wires. PCB acts like a puzzle board, jst put all the pieces nd u r done.
How many meters work it
Now bulit your channel jamer 😂😂😂😁
please send me link of pcb which Download in phone
And the effective range is? ... Unknown. And the battery lifetime is? ... Not important. I'm so very happy I know how to put a component onto PCB. Yes, the music was .....
Your schematic is incorrect; the schematic shows R3 and R5 between VCC and GND without a connection "dot" to the base of Q1 and cathode of C1. However the PCB layout mask clearly shows those points connected! This would certainly be an issue for anyone breadboarding or perfboarding this circuit without your PCB layout.
hello can you please provide the right circuit diagram for this as i will be running the circuit simulation via multism. hope you can see this sir
Hiiii sir, yeh device kitne area mein Kam karata hain.
Please reply sir 🙏
😟I am waiting for your
reply😟
3:21 3mm bug, 5V auto-crawling
Hi bro
Transfer this Signal jammer
You will make and give me for money
Very nice brother
Yes I will give you this project but it's very charge fully project you are interested take this project
bob an vagen
@@TechnicalYarana how much?
Dm me brother
@@samproductions7 yes bro
How far can the signal be jammed for this Signal Jammer ?
What if I want to jam 1 kilometer signal?
One man doing this,another on the telecom tower switching on/off the main board. 😁😁😁
:D
Thank you. I'll be using this in the bus! :D
This is working
??
How the circute works and what all are components use and function of components. these kind of explanation videos will upload for more gaining knowledge for beginners
If you are in the US remember jamming a phone is a felony with 10 in fed prison.......
it also only works within 5 inches and u have to do it for a prolonged period of time
@@jesset2550 Still a felony
Meh, plenty of ridiculous things are Federal Felonies. Bartering for a Flamingo is also a 10 stretch so is leaving the country with more than $5 nickels or pennies. Yeah, it's like that.
@@thaddeuscarpenter1580 Except preventing calls represents a clear danger to people, hence why it is a felony.
@@tando6266 So shouldn't the lack of cell phone reception in many areas be a felony because it poses a clear danger to people? It goes both ways.
There's people living under those nails.
how much range of this jammer
Tame plz
Range of jammer
What is the range
+
0:31 lest's make.
Hey buddy ware did you get all of the parts for it
From shop and the plate he 3d printed
Bhai Mai ise 2023 me dekh RHA hu aur ye Mera project hai msc ka 😀😀😀😀
What Frequency range does it work on??
And is it just for 2G?
Probably 850 and/or 900 MHz. Because of that, it probably would also work on low band 4G and 5G.
Remove the 555 and keep the Transistor. Then you have FM radio Jammer
How to jamm a point to pint internet connection?
@@seyedmahdiqazanfaree5234 depends on how the two pc's are connected to each other.
This your make, working for 4g signal ????
Yes or no?
Disappointing there was no discussion of the theory on why it works, or even what the adjustable capacitor is for. I didn't think a 555 could oscillate at cellular frequencies.
I don't think it does. It is used as 'noise signal' which is carried by the one genarated my BF495 transistor (which generates high frequency 1:46 ).
@@andreastsiougkos7853 it simply excites the tank circuit and causes it to oscillate at it's resonant frequency.
Now i can be mute from r6
Game2Game this does not block a drone it blocks phone signals
@@ZTheGuy r/woosh
@@ZTheGuy btw it can disarm phone c4... So thats cool! :D
@@game2game621 c4 will be triggered when signal is lost.
@@integrationofmanandmachine4714im pretty sure that when you call the phone strapped on the bomb the phone goes to send energy to the vibrating module but its reconnected to the bomb detonator, everybody knows whats next
Most of the people watching this video scroll down to comments to see if it really work
Thank for you tutorial 😁😁👍👍👍
I like this one... So subscribe your chanal.. All the best...
thanks bro :)
BEAUTIFUL! BRAVO!
I dont need to make one I have MetroPCS
What does metro pcs have that makes it special?
Nothing really
You could probably connect it to a bigger antenna and block signal for a bigger space
Science king 👑
bro, can I ask for a scheme and layout with a radius of 50 meters?
Just you need to add three stages RF amplifier, it could be with three transistors, first one act as pre-amplifier.
Second one as driver.
And third one as final stage power amplifier at least 1watt output,then you need perfect antenna...
Just search it and easy to make...
How to I get the parts specially the board
I'm interested in the board too, the other parts you can search en eBay/amazon/aliexpress/etc.
You can buy a blank PCB on amazon/ebay/etc, and there are multiple ways to make it into a PCB. The fastest is a laser engraver, but it's not always perfect and may need some touching up after. Next fastest, and in my opinion the best, is using a cnc milling machine. Then there's chemical etching, which is the old-school way, but it takes a while to make a custom PCB. If none of those options are feasible, you can buy a dremel tool and dremel tool station for not THAT much money and do it by hand. This has the added benefit of the dremel and tool station being useful for many other things, but the result may not look as nice
Why does my phone still have signal when he turned it on huh huh???
Bruh
@@revolution5547 lol 😛
Salt :/
FYI, you will only yam things with this if they are litteraly right next to the yammer, there is almost no range at all on that device.
To how much range it will jam the signal plzz reply
Around 40 feet (12 Meter)
But this only 2g not for 3g and 4g
@@MrAlvits, it should work for 3G/4G/5G, because they all use the same spectrum. But not with the frequencies above 1800 MHz.
অসাধারণ
😊
I made this, jammed my phone and made my grandmother's pacemaker go off, killing her while she was sitting on the toilet. She fell over knocking over a space heater lighting the house on fire. The neighbor tried calling 911 but had no cellular service. Now my family is homeless.
Oooops!
You're still using TH-cam though
@@cofepaper9484 I'm using the community library computer.
🤣
How much rang of this jammer
To how much range (radius) it will Jam the signal?
2 ft
@@dreamachievers2379 great🤣
tell me how to increase range
@vivek minj You would have to increase the number of turns of the inductors. But that means you will have to calculate the increase of the inductance of the inductors, and calculate how much the capacitance needs to be increase for the capacitor. It's difficult... it could work just by increasing the number of turns of the main coil tho... not sure.
@Thematrixagent thanks
भाई मूझे ये चहिए क्योकि रेडिएशन कि वजह से पक्षी दान पानी खाने नही आते है
@Next Mind 50x100 kaलम्बा जमीन है रेडिएशन खत्म केसे करे जहा पर पक्षी दाना पानी खाने आ सके
How "555" works with signals more than 10MHz ?
the 555 doesn't create the UHF signal itself, the transistor forms an oscillator together with L1, L2, C4, C5 and other parts, the 555 timer just "disrupts" that oscillator/constantly moves its frequency around, so the interference caused by this device has a bigger bandwidth.
THANK YOU. I really hate people that do "copy-paste" circuits without any working explain. This isn't for "educational purposes" this video is purely distructive.
Mohammad Alfauomey it drives the resonant tank to produce a higher harmonic frequency, a frequency multiplyer.
@@raffaele148 how can a video be destructive?
@@lazyh-online4839 The simple fact is that he's not explaining the base of the circuit, nor he's explaning the science behind. He's just releasing it, nothing to learn from. Its just for the pure intent of bragging and giving a way to people to be dicks.
your awesome
cool
Good
Ah. For educational purposes only, it says. And education is good, and also legal, right? e.g. this device is perfectly legal to use. LOL! However I will point out that it is nothing but a very dirty oscillator, not tuned to resonance on any particular cellular band. An output tank circuit of some sort would make it kinda work on one band. For multiband you need multiple oscillators. Also a higher gain antenna would be nice. With a log periodic or a circular yagi at about 20db, you would get some usable range at about 1/4 watt. However you would have to aim the antenna at the target of your educational endeavors. For a good quarter wave vertical antenna, resonant at the desired frequency, you really would want a couple of watts output at least. A proper FM signal with some modulation would be the bee's knees. Then you would get what is called the capture effect. Otherwise you are simply trying to drown out a fairly strong and efficient signal from the cell towers with a crazy strong bulldozer signal exponentially stronger than the legit signal. You aren't blocking, just drowning. Essentially this device is kind of powerless to do any harm or even have any fun with, and this video is just click bait. Thumb down. Booooooooo.
Useful but illegal. In places where it's legal there is probably one running already (CIA building or whatever).
darth, i know that is illegal, so i make it low range
Some of the movie theaters use something like this so phones won't work during the movie
@@PhilieBlunt666 not active jammers. They use copper wires to block signals aka Faradays Cage phenomenon
@@CreativeScience bro creative science , will u pls text me , this is mail id muthuraja0798@gmail.com .. I tried to mail u but I didn't fit Ur mail id anywhere .. so pls text me asap ...it's urgent
sir i also need to know about it
Just sell it as a kit
:)
Super idea make it simple just sell it
Yeah plz sell it....
Creative Science common man sell it take my money
Bro wt to do to increase the range
Ill make sure not to get a 20 year old phone. Thanks.
Does it work on 3G 4G networks / and other operators like airtel and jio?
No, Only work on GSM 2G, Naveed Batt
Please make a jammer for 3G and 4G networks also..
Naveed Batt, ok i will make in future :)
Ok.. Waiting for that.
Creative Science good luck, that's incredible difficult.. Way higher frequencies, much better protection against jamming..
what's the maximum range?
45-50 feet
Creative Science did it work with 4G or only GSM?
How much distance it will work??
45-50 feet
ok
how can we able to increase the distance ?
13-15 meters
Creative science: Let's make signal jammer
Vodafone,Idea : Wait! we don't do that here!