Making a Pranker-BOOMer Photo-Sensor

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You can use this circuit to prank, or you could use it as intruder alarm, light switch based on room light, or whatever else! It is a useful circuit. Just be careful around high voltage!
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By: Mehdi Sadaghdar

[@ElectroBOOM]

I'm sure there are healthier ways to use the sensor circuit! Or even better other circuits suitable to blow capacitors!

[@thunderb0ltplays]

Love your videos Mehdi ❤

[@Cube-3710]

Where's the exploding capacitor alarm clock? We reached 200k likes!

[@NotoreGames]

"При съёмке данного видео ни один конденсатор не пострадал."

[@Nicmadis]

I mean... It could have made a fart noise as someone walked by. Or something out of a horror movie if you want to end up in one yourself.

[@janicecole8384]

Add a switch 😂

[@justdario5748]

I like how at the beginning he's essentially explaining how he'll create a homemade claymore.

[@a180combatbowsergamepro6]

nice coment

[@sussybaka6921]

🤣🤣

[@jakebortles8687]

"Pranking device"

[@dameera9199]

😭😭😂😂😂

[@jeffnolan7392]

🤔😂

[@TheEngieTF2]

Mehdi: **gets a well thought out video idea** His capacitors: **sweats profusely**

[@mandarbamane4268]

Inductors (also having ability to generate sparks): 👀

[@_imnxtxk_]

Also capacitor : **SCARES THE SHIT OUT OF ME**

[@_imnxtxk_]

@@bullypeter huh???

[@GapWim]

@@_imnxtxk_He's probably just a spammer.

[@DerempiTheDerempi]

@@GapWim a bot*

[@elijahbachrach6579]

I find it sweet that he “accidentally” sets it off himself. I couldn’t do this to my wife either.

[@joaodasilva4174]

Me too Man.

[@batsardcat3285]

Have some fun, gotta show her your projects somehow

[@Kai-Made]

I could, but if I did, I would be dead or single...or both.

[@jstagzsr]

You got that right. "accidentally" being the keyword. I always laugh at the people who comment stupid crap like "this dude is so dangerous, im surprised hes not dead, clearly he doesnt know what hes doing if he electrocutes himself 20x a video".. like no dude, Mehdi knows SO MUCH of what hes doing that he can be dangerous safely because hes an electronics genius. this is 100% all for show. anybody with even a small understanding of what hes doing can clearly see this. He knows EXACTLY what he's doing.

[@connerravenmodhorizon2059]

​@@iankosednarhailrussia574it worked, as you can see, medhi casted the shadow over it when it exploded.

[@portal2fanreal]

the fact this man's heart still beats is astonishing

[@difashivute4183]

You know its all staged right? But even though i know all the shocks and antics are staged its still funny and doesnt take away from the show at all... since, its for his safety and for our entertainment whilst he educates us "teaching 101, be a good actor and be an even funnier comedian"

[@joe125ful]

@@difashivute4183Oh really?? I cant believe someone can pretend be that dumb:):)

[@deathsheir2035]

his heart isn't beating on its own though, he's using exploding capacitors to keep his heart pumping... XD

[@___Bruh__]

@@difashivute4183 Its definitely not all staged. there's no way this man intentionally caught a Jacobs ladder as it fell. Some of it is staged and some of it is real

[@ougazu32]

@@joe125ful you really think he's actually dumb?

[@blanana_m]

Yeah you should add a switch so the circuit triggers after you are done with the preparations. At that point you might as well just make it switch from a radio controller

[@ElectroBOOM]

that would be... professional!

[@eesti919]

@@ElectroBOOM Too professional? 😅

[@ebnertra0004]

Remotely-triggered explosions? *battering ram through door sound*

[@maikybravo6108]

@@ElectroBOOM can you try it? Make it a LATITY or another prank video

[@Gamer-nc8qp]

@@ebnertra0004 remote arming to be presice

[@skinwalker3953]

The best part of this is that Mehdi *is* an electrician ... with an amazing sense of humour. :D

[@sirflamedrop6165]

Actually, he's an electrical engineer as far as I know

[@Dadnoobian]

@@sirflamedrop6165 i wanted to say the same thing. Its like calling yourself a mechanical engineer when being an automotive mechanic.

[@joewalla8438]

Electrical Engineers don't do physical work like an electrician.

[@Altair4611]

@@joewalla8438 no

[@highgroundproductions8590]

Yes they do or at least they are perfectly capable of it. But they do less of it day to day.

[@simondb1g]

8:42 bro pranked himself💀

[@Assault_Pro_8525]

Look at 8:16. 😂

[@VinayVarsani]

8:40 it's like a comedy sketch where the audience all know what's about to happen but it's still funny everytime

[@ethohalfslab]

Dramatic irony :3

[@arwah97]

Instant karma 😆

[@anshswaroop6849]

Husband tries to prank his wife and regrets before pranking her ~ Dhar mann

[@martinkuliza]

yes we know WHAT will happen we just don't know....................WHEN !!!!! LOL

[@carlotheatheist]

hi what language is that? a french or persian?

[@matthewrichardson2467]

I love that Mehdi's wife is so used to his BS that when he says "Someone" destroyed the sofa she knows it was more than likely him!!

[@Evercreeper]

Well who else would it be

[@philipphilipson3672]

@@Evercreeper PERPETUAL BATTERY THAT NEVER NEEDS RECHARGING Our team of inventors has designed and manufactured 25 amazing science toys/gadgets. Three of these twenty-five amazing science toys/gadgets are described in the three links below. 1) A perpetual battery that never needs re-charging is described in the link kzbin.info/www/bejne/pIrFZoKhi5uSj9E 2) A reactionless drive machine is described in the link kzbin.info/www/bejne/romUZYGBbaylers 3) A simple electric heater of COP > 1 is described in the link kzbin.info/www/bejne/eHLclXmDebCdaLs

[@Evercreeper]

@@philipphilipson3672 I have taken physics you bot, energy cannot be created or destroyed

[@wack1305]

Who else would it be

[@FamtechVideos]

What language was it? Farsi or Persian?

[@bhinwaramjat8767]

It's so intriguing to see when Mehdi is very very coutious about something that's very safe but as soon as he gets careless something goes 💥

[@stephen6631]

Cautious? He's blowing things up next to his face without any safety glasses

[@CraftingCake]

@@stephen6631 don’t forget that these two claps are on wall power…

[@Lobotomygaming127]

​@@stephen6631He's just ballin

[@melvin7103]

that extension cord is one of the most durable things in the universe 0:38

[@danielclv97]

"When you want to blow up, it doesn't blow up. When you don't want it to blow up, it does blow up" Engineering in a nutshell.

[@Black_Jet5143]

Also engineer in a nutshell: makes a simple car repair 100x more complicated

[@basedokadaizo]

​@@Black_Jet5143if over-engineering is a PROBLEM, then why is it so FUNNY

[@zeendaniels5809]

Another rule of engineering: If something doesn't work, it needs tape. If it already has it, it needs more. I did learn this the hard way...

[@Debsar_editz]

Lesson learned: Luck matters in engineering.😂

[@victortitov1740]

true. For me it's always "i need it stable -> it oscillates" and "i need it to oscillate -> it doesn't".

[@halbvoll1]

Only a real Pro can be so unprofessional, I love it

[@yakovdavidovich7943]

Only a real Pro can be so unprofessional AND STILL ALIVE, that is.

[@ChauNyan]

Dude made a green screen background of his own body.

[@jstagzsr]

hahaha. for real. he is at such an expert professional level of electronics genius that he can safely be dangerous.

[@xuehuachingchanghanzitom9050]

You are teaching in a fun way and way better than 90% of the teachers keep up the good work king 👑

[@weirdcreatures4985]

I am grateful that you interestingly showed the working of LDR. I used your circuit to design a magnetic particle accelerator model, and even got the first prize in a state level physics model competition. Thanks a lot.

[@Jennralize]

Always knew if I followed ElectroBOOM long enough, we'd be taught how to make IEDs. Cheers Mehdi! Now we can all resist the forces of inevitable future invasions, with terrifying tiny explosions!

[@AB-ld1rp]

The next remake of "mom I missed the plane"

[@atomic_bear]

This combined with Mark Rober teaching us how to build guided missiles gives us most of what we need for an army

[@Katniss218]

LED -> 😒 IED -> 😏

[@eekos]

I, for one, will welcome our robot overlords

[@KernelLeak]

Improvised ElectroBOOM Device

[@ScottsSynthStuff]

We used to build those little capacitor bombs in high school electronics shop class back in the 1980s. :)

[@battra92]

We would do it in the 90s as well.

[@riveraluciano]

Yup, same here. Because each classroom had its own breaker, we'd leave the capacitors connected straight to 220v and the lights off.

[@loberd09]

Well we were dumber in early 2000s. We’d have kids put paperclips or foil gum wrappers.

[@joshdoesthingsallthetime]

You had electricity back then?

[@mrbillmacneill]

@@joshdoesthingsallthetime oh yeah! we used to electrocute each other for the sheer sport of it....

[@Stan-811]

This guy is the only science teacher that any student needs, I've learned more from him than any of my science teachers

[@EXT0RT98]

If he was my circuits teacher, I’d probably pass better & enjoyed it more

[@yeetmanthe2nd529]

0:36 I just love how he looks at it with such anger that it can't take it and just blows up.

[@christianudorie9121]

He's basically creating his own circuits through trial and errors .. . Always has been fun to watch electroboom.. 5years and counting

[@redfive2008]

I sometimes think of it as electrical engineering via the slapstick method.

[@malikbenslimane2873]

I doubt the errors are real, His projects are well thought out, The "accident" are for educational purposes.

[@TryhardEh]

It's actually a really basic circuit. I think the trial and error is part of the comedy.

[@OgdenM]

@@malikbenslimane2873 , yeap same. All though, I think he legit accidentally triggered the trap this time. It looks like he was trying to walk far enough away from the device to not trigger the sensor... and it just wasn't far enough.

[@cameron1536]

More 101’s please. Also, you’ve inspired me to not live in shame of my unibrow anymore. Who cares what my wife says, I want to feel the wind in my brow fur

[@ElectroBOOM]

That's the right attitude! Let it fly its wings!

[@Foksiu998]

what how did you send this comment 14 hours ago? the video got published like 20 mins ago

[@candyman9635]

@@Foksiu998 Patreons get early access.

[@Foksiu998]

@@candyman9635 oh thanks for the info

[@williamteuthorn7413]

Unibrows unite!

[@DerMarkus1982]

1:45 Mehdi, you've created an IED. An Intermittently Explosive Device. 😁 8:30 Why not add an "arm" or "enable" switch while you're at it? 🤓

[@jamesferreira7743]

Man God Save Mehdi, Man's a treasure and must be protected at all costs, just the prank set-up alone was just perfect. 😂

[@NitroMelon]

But can god save Mehdi from himself

[@TudoMr]

@@NitroMelon yes, don't you see he already is? mehdi should have died at least 3 times before

[@crackmyknuckles169]

8:34 Imagine being Mehdi's Neighbor, just passing by, and you catch just this part of the conversation! Have fun talking to the Mounties, Mehdi!

[@MassiveBallzTV]

8:20 I think everyone saw that coming

[@hatmanpat1211]

I really appreciate how he teaches things. I didn’t even think about the LED warning you when the circuit is live until he demonstrated it

[@ELLPCg]

I will definitely get one of those bundles from circuitspecialist, always wanted to get into electronics, love watching your videos and it always inspires me to get into it. Though i never really knew where to start, and this bundle is going to be really cool and fun.

[@ELLPCg]

and guess who just got theirs in the mail today!!!😁

[@kanjakan]

Hey I'm just curious. How has your electronics journey been going?

[@LJB001]

7:23 only OG’s can remember that

[@musicbeatz6201]

With the whistle 🥺

[@lonely_7891]

7:24

[@danek_hren]

Who is OG?

[@LJB001]

@@danek_hren OG means original, like you’ve been watching someone for a really long time, like for years, that’s an OG

[@danek_hren]

@@LJB001 ok thanks!

[@raidzor5452]

This was one of the easier to understand projects you've done, so beginners like me particularly enjoyed it. Good stuff.

[@stevenwilliams9138]

Congrats on being out of stock on the kit! I'll keep checking back to see when it's back in stock! I love your videos, keep up the good work!

[@CobaltArcher]

The circuit debugging and creative troubleshooting was so instructive!

[@qNeilq]

5:10 Never saw Mehdi so scared after BOOM

[@KillerSpud]

What a great lesson on unintended consequences.

[@mikehannahs]

That bundle is a great idea, very awesome and helpful

[@commenter8640]

Love the idea of an electronics starter bundle. Wish it had a cool instructions booklet though with some basic experiments, tips and tricks :D

[@shawnlindow9608]

This guy is great. Normally when I get home from work after dealing with people all day I have a bad attitude and my wife don’t like it. Now when I get home I watch this guy for 10 minutes on my phone in the driveway and always walk in the house with a smile. Thank you from me and definitely a BIG thank you from my wife.

[@zubair6737]

Hello mehdi. Your 101 series really helped me in physics exam. I am very thankful to you for that. If u had added problems it's would be phenomenal. Also waiting for more episodes and continuation of the series

[@athelstan5794]

زبير

[@PortableFreezer]

Mehdi 100% knows the correct way to begin with. He just is such a great teacher to show what happens when connected wrong.

[@josephtraverso2700]

These videos are amazing. I don’t watch only for the funny moments, I really learned a lot of great electronics watching you

[@wasiaronno1915]

5:39 this is when we see a glimpse of how Mehdi actually feels while making a video we die laughing to. Makes us appreciate his videos more

[@raven4k998]

like so and it takes forever so to still make it explode🤣🤣🤣

[@tfrowlett8752]

Your channel inspired me to get an apprenticeship in appliance repair, which is actually very interesting learning how tv’s, microwaves and other appliances work and learning how to fix them. Thanks for the inspiration

[@buckConverter24v5v]

Mehdi!!! Your videos are awesome, my professor used one of your videos during our lecture, you're inspiring a lot of future electrical engineers !!

[@emorag]

You're awesome, Medhi. Love your channel.

[@zachmoberg455]

Electro boom, watching your content has inspired me to learn more about electrical circuits. I currently working on a little 100 rpm electric motor running of a 9 volt battery with a potentiometer to control the speed of the motor as a project for one of my high-school classes. Thank you for the inspiration to learn more about these circuits.

[@DaRios_Tristan]

A brilliant way to learn and take advantage of intentionally making a mistake and explaining the cause of the malfunction and how to fix it. Wonderful Mehdi, thank you dear.

[@raven4k998]

just hit it with your finger and it will blow up with your finger

[@ct3sibius]

That smile describes what it feels like when a DIY project works: 4:56 :D

[@user-ng2qx4xd1b]

i got the same light fixture in my breakfest nook. Such a great video. funny and informative

[@Lampe2020]

8:40 That moment when he set off the trap himself is just hilarious! What a nice video for my 17th birthday!

[@RussellTeapot]

EEEEEEEEEEEEEEEEEEEEEEE HAPPY BIRTHDAY

[@Lampe2020]

@@RussellTeapot Thanks!

[@d7ooomymc346]

I am currently taking and electronics and microelectronics course and goddamn this is hilarious, relatable, and hella educational, you’re a legend...even my lab instructor told us about you 😂😂😂 he say watch you to learn from his mistakes

[@Tobylus]

That amazing

[@michaelbroussard3361]

These videos never stop being entertaining as well as they are educational, I love this channel

[@Rarest.Ranger320]

Actually learned a lot that'll help me with something THANK YOU!!!!

[@NightfallShadowFire]

0:26 I love how he just sacrificing his self for a capacitor what blows op in 10 seconds 😂

[@Lithiumly]

Thank you for making my day better with these videos Mehdi! I always laugh and always learn something from them! ❤

[@Nima_Adineh]

I love these videos! They always cheer me up!

[@crippl3dhobnob]

Thank you for a very enjoyable video, I have a newbie interest in electronics but hope to learn and improve in time

[@landru8582]

When he reached down to plug the wire under the table - I was already laughing 😂

[@nikicha98]

He haven't made such videos for a long time. Now he is back in business.

[@martinkuliza]

Medhi is like adam sandler Adam sandler walks on stage at comedy night and says hi and everyone is pissing themselves laughing Medhi puts his head under a table and we are like..........LMFAO

[@Dukefazon]

6:54 - I don't mean to question the God of Electronics himself, but is this really how you have to use flux?!

[@ElectroBOOM]

That's the textbook method of using flux for a video cut-scene!

[@Avidiy]

@@ElectroBOOM Agree!

[@Mjuxn]

your videos are golden. thank you!

[@GeorgeGiles1942]

8:48 When You’ve Had Enough With Your Siblings

[@sghost128]

0:07 so like... a land mine?

[@mariavictoriaantipolo1994]

yes but not not lethal or less lethal

[@american.psycho]

0:32 actual start ???

[@corazon9378]

Im learning alot from this guy i admire how he teaches us electronics maybe someday ill be like him

[@Ahmed_RS.]

This is the most educational and the funniest video I've ever watched on your youtube chanel !

[@Sunnfjordingen]

We made something similar at my previous work. We took warranty-replaced but working airbags and put them in the trunk of a car. And then wired it to the ignition. Made for some interesting start-ups. Even better when we had two airbags. One wired to ignition, and one to the reverse light.

[@Chocoffee_battery]

1:38 in that single moment you just explained the entirety of backwards law by alan watts

[@Chocoffee_battery]

damn bots

[@umaraziz7757]

Your content always makes my day

[@Greenwheelsteamrails]

2:38 welcome to electroboom,where efficiency has a higher priority than safety

[@electricalA.K.]

mehdi sir you inspire me. im currently in my 11th nd i plan to pursue electrical engineering just because u developed my interest in that field. im currently working on my diy lithium battery using 18650 cells for my ebike. hope i survive xD

[@AtAGlimpse_UB]

same here man... what projects are you going to do/have already done

[@birchtree5884]

Good luck! EE can be painful, both physically and mentally, but it's well worth it in the end (or at least thats what I tell myself)

[@AtAGlimpse_UB]

@@birchtree5884 well it was mentally painful for me.. One day my wires were internally broken (under the rubber coat) and I went bonkers figuring out what tf the problem was..

[@birchtree5884]

@@AtAGlimpse_UB I've had similar situations in labs, where the wires seemed to be controlled by the Force. Hate it when labs drag on because they gave you broken hardware.

[@marius9429]

Same. wish you luck!!

[@milions_boi]

Cause of watching you for 4 whole years i learned a lot about electronics. I was able to make an animatronic for an analog horror movie. Just wana say... *THANK YOU MEHDI*

[@airtonfabian2765]

You know a lot about electronics. I find it amusing how it demonstrates the main mistakes people make. I´m from Brazil.

[@merlin5476]

I started playing & making cool electronic circuits from around 10 yrs until i was around 16. Then went into electrical i installation for a living, im now 58 & really want to get back into it 👍. Cheers Mendhi. My 1st project will be a real Tesla coil ( not a solid state kit) but i need to learn how to tune the 2 coils.. oh and get some high voltage caps.

[@B4dlands]

Loads of booms in this one! - brilliant watch!

[@DoubO_]

Hey Mehdi! You are a very funny KZbinr, and you teach us in unique ways how not to make a circuit, and believe it or not, I don't think that's crazy thing to learn from! Keep it up!

[@simonfitch1120]

One of your best yet. How I laughed at your prank backfiring, your fall into the sofa, and you forgetting a freewheeling diode across the relay coil! Hilarious, classic ElectroBoom.

[@beauporter8440]

So entertaining! Love the comedy/ educational mix. Pity I don't understand a word of it.

[@jamesdaley3223]

I like how you pretty much directly showed someone how to create an ambush style auto-trigger IED while also showing how many ways they would die in the process 😅

[@fiskurtjorn7530]

1:04 The diagram said NO, so do not close that switch.

[@mariavictoriaantipolo1994]

NO = Normally Open

[@fiskurtjorn7530]

@@mariavictoriaantipolo1994 ;-)

[@mariavictoriaantipolo1994]

@@fiskurtjorn7530 🤨

[@rhetteck9]

I love your videos man,keep up the great work mehdi 💥

[@sktech7579]

I am instructor at a technical college we show your videos to our senior students and they love it. We have named the Friday lectures boom class

[@KennethHiu007]

might recommend adding remote control turning safety on and off before the sensor sense your own shadow.

[@naaacksch1184]

i love all ur videos and im looking you for years u are really the Master of Electrycity !!!!!

[@christophermartin8366]

Best prank video I have seen....and your reaction was so funny....

[@tobystaggs9180]

My day always gets better when I see one of your videos. thank you

[@darylcastillo1439]

1:12 Mehdi sounded almost exactly like The Iron Sheik - another famous nutty Iranian!

[@stephenchurch9563]

I brought some fairy lights once, they flash in Different sequence depending on the switch, anyway got it home, plugged it in and it did just what you demonstrated, a capacitor blew filling the room up with a lovely aroma of burnt capacitor, I didn’t take it back to where I bought it from but just replaced the capacitor and 5 years on it’s still working 😊

[@honk_hoonk]

6:19 *mouth sounds asmr* BOOM

[@thomasbones7973]

Easily one of the best electroboom episodes ever!

[@overvieweffect9034]

I'd love to see a 101 on Mosfets next, and it should be a great follow up to the BJTs video

[@TheHyponeoriteChannel]

This video has the best thumbnail I have seen in my 9 years of KZbin.

[@boatpr0587]

i love the way you teach

[@SlimThrull]

6:00 It's a shame there isn't an easy not gate for electric stuff.

[@Nightwatchfiles]

There is. But we don't want to go to IC levels here...

[@stj47]

8:13You close the sensor it must explode

[@lonely_7891]

8:17

[@nitroux6969]

finally a good tutorial to make a trigger detonator for my C4 pack :D Thank you mehdi :D

[@JayP7.62]

Nice breadboard! Definitely going to pick one up to do some of my labs at home. Maybe I can get some extra credit lol.

[@american.psycho]

0:47 ' educashnational video '

[@bhu1334]

I don't know but this video makes me nostalgic about your old videos. Ig it's due to things blowing up every 10s 😂

[@willie9899]

You should offer the breadboard kit with or without the multimeter. Multimeters are very common (I think?) For people interested in this stuff, and people most likely already have one.

[@buff_lucio_boop]

Stopped watching Ur videos for a while because KZbin stopped recommending. Came back to you as good as ever, which is always reassuring, lovely, entertaining and educational. Don't ever change; or do, your judgement hasn't disappointed anyone I know for as long as I've known you. I'm sure it will be awesome as always.

[@Malevolent_Icon]

That green screen bit was pretty slick