How a 555 Timer IC Works

[@HowToMechatronics]

I hope you enjoyed this video and learned something new! If you'd like to support me making more content like this, please consider supporting me on Patreon: www.patreon.com/howtomechatronics

[@Sombre____]

You made the drawing yourself ? They seem really nice.

[@bxeagle3932]

555 comments i dont want to ruin it

[@tubegor]

This year 555 Timer is celebrating its 50th birthday, my congratulations. Half a century in electronics is all eternity. Explaining how it works great done. 👍(ツ)❤️

[@Dakseru]

This actually made me feel like I understand electronics and will allow me to understand what pins what and what the 555 does and how it does it for my A level studies, thanks a lot!

[@hoofheartedicemelted296]

I had to slow the playback to 0.75 and it gave me a greater amount of time to absorb this information. I'm a noob. But this stuff is fascinating, I can't think of any other word for it. Sir you are an excellent teacher. Thank you.

[@insertusername5737]

Finally someone explain that the capacitor is the key for changing the output state in the astable mode, other videos just throw formulas at your face and just skip the key of the thing with some "you just suppose to know that" vibes, what a shame. Appreciate it!

[@kevinbyrne4538]

Although I was already familiar with the 555 timer IC, I liked your presentation. Clear and concise. Also, congratulations on your English. I wish that I could speak a second language as well as you do.

[@ShelliLoop]

Kevin Byrne - congrats are - extremely - premature. Really, pal, why would you say this? He is very difficult to understand now and of you tell him he is “great” talking english, he might STOP trying to improve. In this way you actually HURT his progress. This guy has very good content and the right ideas about teaching, but still need to improve English A LOT.

[@ravplayztabla7467]

@@ShelliLoop wow you're stupid af.

[@SqualidsargeStudios]

S H i agree, the English is shoddy and needs work.

[@jovetj]

I agree with Kevin. I already knew most of this, but it is an excellent video. The 555 timer is a "killer app" example of an integrated circuit. It's simple, elegant, and versatile! The criticisms of his English are unfounded. His English is very good. His accent is still very strong, but I had no trouble understanding him. Accents only go away with time and exposure to native speakers, which not everyone has access to.

[@themightyimp08]

@@jovetj yup, the 555 timer, along with a 566 chip, form the sound of the 2 flying saucers on Atari arcade Asteroids. It really is used in a ton of stuff.

[@NicStage]

This is the best description of a 555 timer I've found so far. I'm learning this stuff and your video was really helpful. Thanks!

[@new-knowledge8040]

HOLY CRAP. The 555 timer is still around ! Amazing. I was using it about 44 years ago.

[@WhoWantsToKnow81]

Absolutely beautiful explanation of a 555, the best I have seen so far. I'm very glad I came across your channel! I also made a flip-flop with NPN transistors in a NAND configuration, that was fun :)

[@HowToMechatronics]

Thank you!

[@bahtiyar.bayram]

The best explanation of 555 timer...

[@michgingras]

yea when you already know what he is talking about , then again you don't need much explanation don't you ? That guy is an idiot, he described the chip for 10 minutes without even saying what it is about and or what he is talking about. PURE RUBISH

[@petedavis7970]

@@michgingras Where's your amazing content?

[@johnnythi]

@@michgingras something tells me you cut yourself.

[@furrane]

@@THE16THPHANTOM I didn't know how it works and now I do. You being slow to understand doesn't mean the guy did a bad video, it just means you're slow.

[@THE16THPHANTOM]

@@furrane OK, boomer.

[@knowall5792]

Though, as a rookie, I didn't fully understand the video, I give the video a perfect 10. I have to come back to your site again and again, as my knowledge picks up. Subscribed already. Thanks.

[@maffysdad]

That was one of the best 555 tutorials I've seen in ages, and the graphics both on the chip and at the right side made all the difference to helping understand it... Thank you so much!

[@taoufikkalfat7826]

this is the best video in the world that i have seen explaining how the 555 works. thank you very much for this easy and very very clear explanation.

[@ra226gaming]

Excellent explanation of the 555. I usually prefer still images/text over video, but in this case the video and the animations were fantastic and really make clear how the device works. Also loved seeing the block diagram of the actual schematic with the different parts highlighted.

[@HowToMechatronics]

Glad it was helpful! :)

[@stephenwilliams5201]

Every" band " needs a drummer. ( 555) And this is good way to" educate " folks tks for the Good show.

[@MaxImagination]

Well-explained in a concise and understandable manner. Thanks to you I built a much clearer understanding of the 555 timer and how it works. Excited to make more NE555 projects without my usual hiccups in lack of knowledge. Cheers to you, man!

[@tatvamkrishnam6691]

6:48 If anybody who reads this is curious how to derive that t=1.1*C*R result, its simple. capacitor --------| |-------- | | | \ | / resistor | \ | / | | | __ Vcc __| constant Dc dq = i dt i = dq/dt Using Kirchoff's law, q/C + R i - Vcc = 0 R (dq/dt) = (Vcc . C - q) /C dq/ (Vcc - q) = dt/ CR Apply integration on both sides with limits LHS.. from 0 to q, and RHS..from 0 to t. then you will get, - Ln ((Vcc .C - q) / Vcc .C) = t/CR From this we can easily get this result, i.e q= Vcc. C (1- e^(-t/CR)) since q=CV, V = Vcc(1- e^(-t/CR)) Now apply V= 2/3 Vcc in this formula, you will end up with t= ln(3). C. R [ln(3) = 1.0986 = 1.1(approx)] Happy learning!

[@NicleT]

Best explanation on the 555 timer to date. Thank you so much. This channel is one of the Internet’s gem.

[@HowToMechatronics]

Thank you!

[@akashrenigme5709]

Slow and a kid can understand with a explanation like this. For the channel creator : students shall appreciate if you could continue this

[@curiosity551]

Graphics make it explain better. Thank you for such a useful video!

[@Decco6306]

verry much yess

[@cryptocsguy9282]

@Rishikesh upload more electronics videos 📹👀

[@curiosity551]

@@cryptocsguy9282 sure!

[@85ryankelly]

The best explaination that I have seen. Read the book on the 555 timer and this just makes it all make sense now. Thank you.

[@HowToMechatronics]

Glad you found it useful. Cheers!

[@yoramstein]

Great videos by Dejan Nedelkovski. Very proffesional. Clear English and every word to the point not too much bla bla like by others.

[@calyodelphi124]

I have to sya, this explanation of how the 555 timer works is beautifully done. It's simple and clearly illustrates what's happening internally. I definitely learned a lot more with this than I did in previous 555 timer videos by other EE youtubers.

[@prasad3071]

I don't think there is a better explanation than this.Thank you very much for your effort.🤟

[@agaxent6200]

nothing beats this Video to get me fast asleep, good for insomnia..

[@justincrissman8981]

best 555 timer video i could find. subscribed

[@SobhitPanda]

You are actually Awesome! You are an inspiration to me. All the best and reach heights! Love from a lil Indian KZbinr.

[@NareshKumar-we6sc]

One chapter half syllabus was covered in just 10:43 minutes...take a bow👏🤝to your explaination..

[@PatrickKrolickoff]

Thank you for the best explanation of 555 timer working. Since I'm from Russia I understood you very well. Best regards, Mike

[@gezhagnteramedew5086]

Their is no word other than PERFECT to this video

[@HowToMechatronics]

Thank you!

[@orlandoarriaga7148]

Just made a 555 timer on a bread board and this video really helps me connect both ideas together and now I fully understand, awesome presentation (edit: by making it I meant making the inside of a 555 on a bread board)

[@HowToMechatronics]

That's cool, I'm glad you found this video helpful! :)

[@cavanaughsgarage]

this has to be the best explanation of 555 timer ever, the internet needs more vids like this. I need to find the DC motor control tutorial referenced towards the end of this video

[@JohnLeePettimoreIII]

I've admired and used the 555 (556, and 558) for decades. Your video was very well made. Thank you.

[@HowToMechatronics]

Thanks!

[@marcopilati7464]

best explanation ever seen. Great! Thank you! (really lovely, your Russian-American accent!)

[@HillCountryDemo]

The best tutorial on the 555 timer on all of KZbin!

[@GamingFloppaYT]

wait but its not walking

[@deepaknanda1113]

Wait some more...it will😅

[@topiuusi-seppa5277]

I got that reference 😆👌

[@wlyiu4057]

You need to place it on a very, very long breadboard.

[@claytonbenignus4688]

I am going to review this video several times. I would also like to see him do the LM386 Chip.

[@hitts8928]

it took ages for my professor to explain the NE555 while this guy explained it even clearer in just 10mins 😆😆

[@Cassandra_Johnson]

Best 555 video I have seen here, bar none.

[@anjithajyothikumar7114]

Best content on 555 I've come across! Thanks a bunch!

[@HowToMechatronics]

Glad you enjoyed it!

[@blogtodeath4736]

A very well made and easy to understand video, unlike most of the hobbyist garbage on KZbin!

[@panchosmar]

The best explanation about the 555 I have seen so far, and with the graphic animation that is simply wonderful, my sincere congratulations. Shared

[@ccv3237]

Congratulations my friend! This is the best IC555 explained video I have seen. Thank you very much for such a great detailed and well explained video.

[@HowToMechatronics]

Thanks! I'm glad you found it useful.

[@theemanuel472]

This is the best explanation about 555 timer ever, but I need one more thing, the demonstration for this two formulas (TH and TL). I need a video to understand how to get these two from capacitor charge and discharge equations.

[@carlittle_]

This is the best explanation ever.

[@rpsproject5349]

That is the best explanation of the 555 that I have seen yet.

[@ddee2501]

The best explanation of 555 timer i have seen yet....well done !

[@shubham709]

thank you for this video best explanation of the working of 555 I have seen till now

[@gembagemba7207]

You are the best brother 👍

[@AtomkeySinclair]

I've used them for years and never really took a look that far into the internals. Nice work.

[@nunomaster]

This is without a doubt the best explanation i found of a 555 timer. Thanks!

[@HowToMechatronics]

Thanks!

[@codym627]

Amazing video!!!!!!! This is a hard to explain topic but you did it so well!

[@HowToMechatronics]

Thanks, glad it was helpful!

[@codym627]

I just discovered your channel and it is awesome! You are great at explaining stuff!

[@mandarbamane4268]

This helped me on college presentation, thanks a lot!

[@thecraftsman8083]

Most efficient tutorial of this topic!

[@migalito1955]

Excellent explanation of 555 IC. Nothing was left out and the graphics were superb!

[@JohnnyJTav]

The Most versatile IC ever Devised...

[@marcturcotte3013]

Jackpot !!! This man knows how to communicate its knowledge. Those are the explanations I was looking for.

[@HowToMechatronics]

Thanks!

[@triodit]

bullshit he told use how to make a switch that unbelievably fucking useless.

[@joshpatterson2140]

This is the best electronics video I have ever seen. Man, I wish i could tip you!

[@HowToMechatronics]

Thank you!

[@Driftload]

Very well explained video, I am an electronics noob but I think I understand the modes to an adequate extent now. One thing though - it might be capacitor fundamentals but in *astable* mode how comes the input voltage (to the entire circuit) doesn't stop the capacitor from discharging?

[@HowToMechatronics]

Thanks. The capacitor is discharging because in that case the discharging capacitor is active, meaning the the VCC is connected to Ground via the R1 resistor, or if there wasn't a capacitor the voltage at R2, C2 or the threshold and trigger pins would have been zero.However, the voltage is not zero because the capacitor was charged and now is discharging from those 2/3Vcc until 1/3VCC.

[@manojkm9219]

Scott Anderson led complants

[@RichardHowin]

Addition to How To Mechatronics, Current is easily flow to the discharge because there's no resistance (very minimal resistance) at the discharge transistor vs R2 that have some value of resistor. So VCC get attract to discharge transistor easily ._.v

[@hengpong1561]

ល្អ

[@AaronB99999]

Wonderful explanation. I was able to replicate all three on a breadboard fairly easily. First time I was able to get a 555 to do anything.

[@HowToMechatronics]

Glad to hear it!

[@DINESHCO]

The best explanation how 555 works..well done and thanks

[@eanliyo973]

Explanation is very much clear

[@stevenelmes8361]

The best explanation i have found so far!

[@cw4608]

The explanation and graphics are excellent! Thank you for taking the time to create this tutorial on the 555

[@liveen]

So many youtubers nowadays making videos on electronics in such a way that I assume it'll be for beginners, but I literally understand almost none of what's going on, despite not being completely beginner (i know how resistors, transistors, capacitors etc works and have built a couple tiny supersimple cirquits on a breadboard)

[@adp9926]

What did I just watch? I have no idea at all what you were talking about but probably because I have no knowledge at all about this stuff... seems like you still did a good job at explaining according to the others

[@pauliukzz]

Thank You for explanation, everything Perfect!

[@markfinn825]

You did good. I am beginning to understand the 555 IC. Some memorizing and I will probably understand it well enough to use it in adapting my very own relay logic calculator design to integrated circuits to a build project rather than only a drawing. Thus I will be one step closer to losing my lunatic reputation some of which was gained by boasting about my half baked IC projects of about 31 years ago at a local tavern.

[@peterdenes6353]

Wow..you make this sound super exciting, even though I hated this subject at my uni :D

[@HowToMechatronics]

😂

[@ethansprojects7399]

You are a great teacher!

[@Ther3IsN0Sp00n]

Wonderful video, I love the way you explain things and the animation really helps 👍

[@HowToMechatronics]

Happy to hear that!

[@xila8861]

Man, this was insanely detailed

[@HowToMechatronics]

Glad you liked it!

[@drengrd]

Wow... Well explained but I am lost on the examples 😁👍

[@clex2349]

I needed this like a year ago, good job.

[@BradCozine]

Well, now that you've watched this, go watch Primer then get to "makin'"!

[@pavanpratapsinghchauhan6804]

Beautiful explanation 😃😃

[@ifmohammed6495]

You are the best. your explation is very simple and easy and it is very good

[@professoreggplant9985]

Best explanation from a functional level. You should do one from the perspective of the component level now instead of the functional level. I can't find any that walk through the individual transistors, diodes and resistors that make up the circuitry.

[@slordmo2263]

Yes, a classic I.C. ..... it's interesting.... there are quite a few 'variations' of this chip now.... in all the logic types....TTL, CMOS....etc, and package types....even surface mount.... (and care must be taken, too) The input/output specs have changed quite alot too. One of the big selling points of this chip is that it is 'Modular'...meaning that each subsection could be used in 'different' ways.... (window comparator, SR Latch, Output Driver, Open Collector Driver, etc.) an engineer could use those blocks to get the 'function' he required... There was another IC from the 70s that was 'modular' oriented.... originally a linear power supply chip...the LM723... had an op-amp, error amplifier, voltage reference output, output driver, etc.... could be used in various ways... now most chips are either ASICs or pre-programmed microcontroller , they have their place...but the these old chips could be used, without having all the overhead of a micro.... just 1 man's opinion....

[@Carlusha919]

Excellently explained!!! The best! Great dynamic diagrams too. Thank you much.

[@TheVagueIdeas]

Your explanations are really top notch, thanks for making these videos!

[@Camper721]

Great video. I remember this from school in the 90's.

[@waqaswani2994]

Beautiful explanation thank you very much

[@josedominguez2021]

The BEST VDO ABOUT 555 INTEGRATED!!!! El mejor vdo sobre el 555 de toda la red!!! Quinientas Cincuenta y Cinco Gracias!!!

[@newtron762]

i have already designed my own 555 timer IC using bjt transistors, i derived all the equations even the FM modulation equation.

[@limefourwe4937]

That's for the formulas. to time. great work.

[@mbaker335]

Brilliant explanation. Very clear indeed.

[@HowToMechatronics]

Thanks!

[@larsholst7221]

Very good explanation. In detail and easy to understand.

[@HowToMechatronics]

Thanks!

[@ChupoCro]

Stvarno dobro objasnjeno! Explained really well!!

[@JonTehParadox]

The best explanation from IC 555 ever, if you can send a invitation for translate subs to spanish it will a pleasure doing.

[@HighestRank]

Jonathan Jose Reyes Vasquez you don’t need invitations to submit translations!

[@lyf7835]

Thank you for help me fully understand!!!Your explanation is very clear!

[@spacial2]

This really is an excellent explanation.

[@sebastianthomas8507]

Good explanation, very good :D

[@nunolopes3910]

Amazing video, this was really helpful!

[@mattantonelli4273]

An absolute genius

[@BertGrink]

I think the only other IC that can possibly rival the 555 as being the most sold is the 741 Op-Amp IC.

[@marwansamy2]

That's true but 555 is the one being more sold than 741, but they are pretty close

[@two_number_nines]

why lm741 tho? lm358 is much better-cheaper and contains 2 in a single package

[@BertGrink]

John Scarce I was not talking about quality, but merely about sales figures, where i think the 741 is by far the most sold opamp of all time.

[@two_number_nines]

people are stupid and we have to spread the word about lm358 more then

[@joewoodchuck3824]

The 741 is as obsolete as an early dinosaur. Why people still design with them, why any sellers carry them, why magazine editors publish circuits using them, and why they're even still made is a complete mystery in a technical world moving forward and hopefully not moving backwards.

[@harshachittu]

Great explanation and presentation is beautiful.... Thanks a lot....🙏

[@danielgreaney3265]

Kick *ss job explaining this brother

[@김준형-m2y]

I just want to tell you " thank you so much!!"

[@scaslx]

I regret for not watching this video more earlier!

[@jovetj]

("I regret not watching this video sooner!")

[@HighestRank]

Jovet lesser late*

[@benslimaneyoucef9422]

Absolutely beautiful work, thanks Sir for your effort

[@thidassankaja8039]

Please do a video series on electronics basics.