How 555 timers Work - The Learning Circuit

แชร์
ฝัง
  • เผยแพร่เมื่อ 28 มี.ค. 2024
  • The 555 timer is probably the most common and popular IC to be used in hobby circuits. There are A LOT of projects out there using the 555 in various ways and it’s easy to find schematics to make a project that has already been proven. But rather than just taking plug and playing circuits with the 555 timer, Karen wants to give you the chance to understand the why of what’s happening when you use the 555 timer. In this episode, Karen breaks down what is happening inside the 555 that makes it function. Learn how the inputs interact with the supply voltage to trigger and reset the output high and low. Find out which pins can be used to adjust the threshold at which that change happens. And see which familiar components can be found within the 555: bit.ly/2rE5rMD
    Engage with the element14 presents team on the element14 Community - suggest builds, find project files and behind the scenes video: bit.ly/2MFMG0v
    Visit the element14 Community for more great activities and free hardware:
    Tech spotlights: bit.ly/2KLz0TS
    Roadtest and Reviews: bit.ly/2KH4fj3
    Project14: bit.ly/2wPnajx
  • วิทยาศาสตร์และเทคโนโลยี

ความคิดเห็น • 380

  • @alexvonbosse5090
    @alexvonbosse5090 4 ปีที่แล้ว +37

    this is one of the best explanations of the inner workings of the 555 timer that I have seen in a long time!

  • @Dingomush
    @Dingomush 3 ปีที่แล้ว +28

    I’ve watched four different explanations on the NE555 internal workings and so far this one has made the most sense. A bit fast in places but it’s a video, I can go back and watch it again and try to pick up what I’ve missed. Thank you so much for your time and expertise on the subject matter and for “dumbing it down” in plain words and diagrams so that more people can enjoy electronics.

  • @migalito1955
    @migalito1955 4 ปีที่แล้ว +41

    Very nice tutorial, especially given it can be configured 3 major ways. I am a math guy that hobbies in electronics and studied the 555 a few months back. It was nice that your video mentioned that the integrated flip flop actually used only one of the outputs which is a detail that often is overlooked in other explanations. I ended up building an astable Multivibrator so that I could put out a weak signal in the AM broadcast band spectrum in order to test reception capacity on regenerative radio receivers that I assemble from parts at hand. It worked, barely. By barely I mean that high a frequency was kind of pushing my luck. Without filters it was also broadcasting everywhere much like a skipping stone across a pond.

  • @MAYERMAKES
    @MAYERMAKES 4 ปีที่แล้ว +23

    i used them a lot but never looked closely opn how they work, very informative, thx Karen!

  • @antonnym214
    @antonnym214 4 ปีที่แล้ว +13

    First time I've seen an understandable description of this chip. Thank you. By the way, I have a friend who says he's bistable, but practicing as monostable because it's just easier to live that way. All good wishes!

  • @mehransoltani5058
    @mehransoltani5058 3 ปีที่แล้ว +22

    I have seen so many videos about 555 in my native language but somehow they were confusing until i found this video simple and understandable even with a foreign language description

    • @gamergamer6241
      @gamergamer6241 10 หลายเดือนก่อน

      Great channel! Your explanations are so clear

  • @TCGCEOGuy
    @TCGCEOGuy 4 ปีที่แล้ว +7

    Great job Karen! Wonderful job explaining. You are getting very good at quality examples and the discussion of complex items.

  • @armincal9834
    @armincal9834 2 ปีที่แล้ว

    I'm by no means an expert in electronics yet the way you explained it was so good that even I understood everything.you deserve a sub

  • @spudnickuk
    @spudnickuk ปีที่แล้ว

    This has got to be the best video i have seen that explains how to use a 555 chip with proper illustrations of how it works

  • @solapowsj25
    @solapowsj25 3 ปีที่แล้ว +2

    This is one of the best presentations for working of the 555. We've used the 556 as astable and monostable together to produce a PWM signal for a Boost Converter, 12v t0 48v DC at St. Joseph's Research, BLR, IN.

  • @LeoStarrenburg
    @LeoStarrenburg 4 หลายเดือนก่อน

    A good 50 years ago I started in electronics making my first medium wave receiver with an ECC82 valve. A year or two later, in 1972 the 555 was introduced and I've been dabbling with it ever since. Thank you Hans Camenzind ! Nice video BTW 👍.

  • @zetaconvex1987
    @zetaconvex1987 4 ปีที่แล้ว +63

    A little bit fast in places, but a very useful video nevertheless. It certainly helps to demystify what's going on in the chip.

  • @cep5618
    @cep5618 2 ปีที่แล้ว +1

    I've never seen a high quality explanation like that. Congrat!

  • @fieldsofomagh
    @fieldsofomagh 4 ปีที่แล้ว +1

    Nice presentation, Karen and thank you for the information on the internal operation of the 555 engine.

  • @IFixOldStuff
    @IFixOldStuff 4 ปีที่แล้ว +1

    Great work here showing how the basic building blocks become more complex circuits

  • @markedwards4879
    @markedwards4879 2 ปีที่แล้ว +2

    I wish we’d had resources like this when I was studying Electronic Engineering and building 555 circuits back in 1981! Such a great little timer, I built all kinds of alarms and flashing lights etc with them, but getting across all of the concepts etc was much more of a dry subject than it is today. I really like how simple and clear you made this for people starting out. Great stuff.

    • @larrybud
      @larrybud 2 ปีที่แล้ว

      I mean, that goes for any tech, right? I learned programming in the 80s, and you'd buy a single book on a single topic, for 80 bucks.

    • @awaitingthetrumpetcall4529
      @awaitingthetrumpetcall4529 2 ปีที่แล้ว

      @@larrybud I'm 68. In the 70's they had mainframe computers behind glass doors in my college that ran tape. I thought writing instructions with zeros and ones was tedious. In 2008 I discovered I could control the behavior of motors by writing instructions. I was hooked and realized I had wasted my college career.

    • @markedwards4879
      @markedwards4879 2 ปีที่แล้ว

      @@larrybud I still have some of those overpriced and dull books on the shelf lol.
      There was very little choice of content at all and most of it was presented in a way that made things more difficult than they needed to be. I don't know about you but I had a mix of some very good lecturers and some that were just terrible.
      Luckily I worked with some very helpful people while studying and was given projects that helped me learn and keep it interesting.

    • @markedwards4879
      @markedwards4879 2 ปีที่แล้ว +1

      @@awaitingthetrumpetcall4529 In the early 80s I was initially more interested in electronics (and cars/motorcycles lol) than computing but got exposed to personal computers as well as the mainframes in the telco space.
      In the early days most of the electronic projects that I built for myself were for cars and bikes - I built a full car computer that monitored fuel consumption and distance etc, car and bike alarms, electronic central locking.
      I got into computing outside of work in a big way when the Amiga 1000 came out (prior to that had a z80 machine at home), but the Amiga was a game changer. It could be programmed to play music properly and could display quality photos - something that the IBM based business machines just couldn't do.

    • @awaitingthetrumpetcall4529
      @awaitingthetrumpetcall4529 2 ปีที่แล้ว

      @@markedwards4879 I would have seen you as as an intelligent nerd. My only involvement with computers was playing "Pong".

  • @hubenbu
    @hubenbu 2 ปีที่แล้ว

    Finally I get the hang of the circuit inside NE 555. Thank you!

  • @_aakash.a5548
    @_aakash.a5548 2 ปีที่แล้ว

    I usually don't leave a comment for most of the videos but this one was Awesome explanation

  • @lucyalicenox5871
    @lucyalicenox5871 2 ปีที่แล้ว

    Thank you so much for helping me figure this out!!!! It took me a long time to conceptualize how ICs work

  • @Rodderick45
    @Rodderick45 4 ปีที่แล้ว +4

    Fantastic job done! Well defined and explained. She is great!

  • @Nostepir
    @Nostepir 2 ปีที่แล้ว +2

    Wow, I wish I had a teacher like you, decades ago. It could've been career changing. Nice to learn the basics. Kids these days leap jump straight to a raspberry Pi and they find basics, pointless.

  • @anthonyshobbycorner
    @anthonyshobbycorner 2 ปีที่แล้ว +1

    What an amazing video explaining the workings of the 555 ... So well explained .. Gave me a far better understanding of it ,and how to use it , in all 3 forms ... Excellent video .. I also checked out the 2nd video you did as well .. Regards, - Anthony

  • @user-ep5vb2rq4f
    @user-ep5vb2rq4f 5 หลายเดือนก่อน +1

    Great explanation, Great visualizations, Great tutorial. Thank you very much for this.

  • @seuyt88
    @seuyt88 2 ปีที่แล้ว

    So excellent in explaining!!Coming upon a female electronics engineer made this more exciting to learn. Good for you, indeed! I thoroughly enjoyed this!!

  • @zachwerden9425
    @zachwerden9425 10 หลายเดือนก่อน

    Thank You, this was a great intro video.I found Your explanation easy to follow and understand!

  • @solarflare4259
    @solarflare4259 2 ปีที่แล้ว

    Nice vintage scope in the background.It seems to be a Tektronix...Great, detailed explanation of the 555...Thank you for posting.

  • @davidcross30
    @davidcross30 3 ปีที่แล้ว +2

    Awesome thanks. Very well presented and I’m looking forward to learning more now!!

  • @guilletrost1319
    @guilletrost1319 17 วันที่ผ่านมา

    the best ... simple and clear, applause...

  • @_CANALTEC_
    @_CANALTEC_ ปีที่แล้ว +1

    I loved your way of explaining...Very grateful!

    • @element14presents
      @element14presents  ปีที่แล้ว

      You should consider checking out DC to Daylight too: th-cam.com/play/PLwO8CTSLTkiiBLUDE3vfOGjvIuQONT4AC.html

  • @tcroyce8128
    @tcroyce8128 2 ปีที่แล้ว

    Loved the presentation for the schematics.

  • @Inquire98
    @Inquire98 4 ปีที่แล้ว +7

    "Thank GOD", and thank you, thank you very much for your presentation 😉 REALLY Really really good 😎

  • @ICONICKABIR
    @ICONICKABIR 4 ปีที่แล้ว +2

    Awesome tutorial I m new to electronics but well understood thanks Maa'm

  • @MsRamesh21
    @MsRamesh21 2 ปีที่แล้ว

    Wow! great to find this channel. Superb explanation

  • @richardpayne9640
    @richardpayne9640 2 ปีที่แล้ว

    I would have to put this to practical use to get this into my memory Thank you!

  • @eddierestauro277
    @eddierestauro277 3 ปีที่แล้ว

    I allready use this when i made an inverter 12volt dc to 220 v ac since 1995, i was happy that it's clear explanation thank karen, thank yuo very much....

  • @claytonbenignus4688
    @claytonbenignus4688 4 ปีที่แล้ว +5

    Great Graphics!!! Contrast and highlighting is properly used without unnecessary distractions. The “ how it works” part is fascillitated by Karen, who shows both Teaching Experience and Knowledge of the subject. As a Presenter, she is comparable to Liliana de Castro, who does Group Theory for Socratica. All pins were covered without the dismissive “ this pin is seldom used” . I hope to see Karen in more videos.

  • @LeventeDaradici
    @LeventeDaradici ปีที่แล้ว

    it is explained superbly! thanks and respect!

  • @oompaloompa7280
    @oompaloompa7280 2 ปีที่แล้ว +1

    This is the first video I watched from you and I loved it. I used the 555 many times over decades but never understood it in such depth. Very useful and helps with troubleshooting circuit design.
    One thing I may not be understanding is that when you said that when pin 4 is grounded, the transistor turns off. Being a PNP, shouldn't it come ON when the base is brought to ground?
    Maybe i misunderstood?

  • @bru2al1tyusa82
    @bru2al1tyusa82 4 ปีที่แล้ว +1

    I think this series is a great idea 👍

  • @jimhenderson2308
    @jimhenderson2308 2 ปีที่แล้ว

    Great video.
    I’d also add that the rs latch is basically an electrical version of a mechanical toggle switch. But unlike the mechanical toggle switch the rs latch has 2 dedicated physical quantity inputs (either high or low) to change the state of the output.
    The mechanical toggle switch has a single algebraic input consisting of the application of a + force or a - force to change states.
    This 555 timer is an example of an application of the rs latch thru the use of the 2 comparators assigned to each of the 2 physical quantity rs latch dedicated inputs.
    Such a configuration can be used for automatic temperature control as set with a thermostat .
    And so that’s potentially an additional practical implication (besides an oscillator) of an rs latch configured with a couple of comparators to change states to turn furnace on or off to reject heat loss effects thru the walls of a heated building.
    Unlike the oscillator both the period and duty cycle of the 555 output behavior in the furnace example will change depending on outside temperature.

  • @RI-ns8wz
    @RI-ns8wz 2 ปีที่แล้ว +2

    Superb, Milady! I always have some..10 or 15 of them in mi parts bin. I had even made some NCG control boxes for cars and there They are, working almost 10 years later! I had a book (ugly, fat,big book) that I can't find nowadays, about the 555, and it stated somewhere; "555's are like rice....there are more than 1000 recipes wit them!". Thanks a lot for your videos! And "hi.5!" from Argentina!

    • @johnchildress6717
      @johnchildress6717 2 ปีที่แล้ว

      556 can be used for many circuits.You probably know but others might not.2 555,s on a single chip was a good idea.

  • @sinewave3323
    @sinewave3323 4 ปีที่แล้ว +1

    Thnx a million for you're videos! I really appreciate them! Alot! 😎

  • @aryanabdolahi8469
    @aryanabdolahi8469 2 ปีที่แล้ว

    Thanks for the video. I learned and enjoyed.

  • @vmsrao2125
    @vmsrao2125 9 หลายเดือนก่อน

    Excellent explanation madam.Thank you very much

  • @christopherbrown3614
    @christopherbrown3614 3 หลายเดือนก่อน

    Thanks for the explanation!

  • @marksminis
    @marksminis 2 ปีที่แล้ว

    LoL. And all through college we just slapped them in and looked up what C and R needed to be. Never dug inside them like this, thanks!

  • @koszynek
    @koszynek 4 ปีที่แล้ว

    Super prezentacja, doskonale wytłumaczone. Dziękuję.

    • @REXXSEVEN
      @REXXSEVEN 2 ปีที่แล้ว

      Do you see anyone else here speaking that?

  • @apnamultitech786
    @apnamultitech786 2 ปีที่แล้ว

    I like ur way to explanation in detail, thanks

  • @tamarabarnett9869
    @tamarabarnett9869 ปีที่แล้ว

    Loved this. Thank you.

  • @johnthomas5166
    @johnthomas5166 3 ปีที่แล้ว

    Yup, that didn't even bump my head as it went over. Her well executed explanation still left me just as confused as whence I came. I just need a 3 second delay on a 12 volt circuit.

  • @victorkuznetsov8657
    @victorkuznetsov8657 4 ปีที่แล้ว +1

    Thanks a lot for detail explanation!

  • @robinhood007ful
    @robinhood007ful 2 ปีที่แล้ว

    Very good explanation of working

  • @SamFugarino
    @SamFugarino 4 ปีที่แล้ว

    One of your best videos.

  • @Decco6306
    @Decco6306 4 ปีที่แล้ว

    Thats the best internal diagram ive seen of a 555 yet

  • @michaelpesce9235
    @michaelpesce9235 2 ปีที่แล้ว

    Very interesting tutorial, thanks for sharing😁

  • @arunk8663
    @arunk8663 2 ปีที่แล้ว

    Wow fantastic explanation thank you,

  • @thunderbird1454
    @thunderbird1454 2 ปีที่แล้ว

    Hey Karen, does that old valve tektronix CRO in the background actually work and do you know how to drive it ????

  • @jsims2985
    @jsims2985 ปีที่แล้ว

    Very well done. Thanks so much!

  • @engsamhar6353
    @engsamhar6353 10 หลายเดือนก่อน

    very excellent tutorial

  • @subhadeeproychowdhury1059
    @subhadeeproychowdhury1059 4 ปีที่แล้ว +1

    Really good presentation

  • @sushilchoudhary5749
    @sushilchoudhary5749 2 ปีที่แล้ว

    Very very thanks for informative video.

  • @dmitripogosian5084
    @dmitripogosian5084 ปีที่แล้ว +1

    Am I right that if one measures the resistance between pin 8 (VCC) and pin 5 (control voltage) one should get 5 kOhm ? Or is it more complicated ? ( I am trying to troubleshoot some PSB, and my on board measurement between these pins gives 120 kOhm)

  • @gaminghighpriest5293
    @gaminghighpriest5293 ปีที่แล้ว

    omg finally a fully detailed tutorial for people who hav 0 knowledge

  • @jamienewman1488
    @jamienewman1488 3 ปีที่แล้ว +1

    So does the capacitor when charged make the comparator go high then as it drains the voltage goes low?

  • @Mrusama93
    @Mrusama93 2 ปีที่แล้ว

    Thanks ma'am i have never learnt ne555 ever like you told love you.

  • @Valleedbrume
    @Valleedbrume 4 ปีที่แล้ว +10

    Arguably the most used timer ever.I started using this in the 70’s.(okay I just dated my self:-)Great explanation.!

    • @gregbrockway4452
      @gregbrockway4452 4 ปีที่แล้ว +1

      Don’t feel bad, me too. One of my favorite ic’s.

  • @JohnClulow
    @JohnClulow 4 ปีที่แล้ว

    Excellent tutorial !!

  • @tusharpotdar5762
    @tusharpotdar5762 3 ปีที่แล้ว +1

    Very nicely explain the working of 555, love u thanks

  • @ShakilShahadat
    @ShakilShahadat 4 ปีที่แล้ว

    Brilliant explanation.

  • @kev_mclernon_family_channe4745
    @kev_mclernon_family_channe4745 ปีที่แล้ว

    Wow. The number 5 in spoken Thai is “Ha”. So 555 is like lol, 555. I was looking for video to send for the 555/lol and am now subscribed to your channel 555.

  • @khan691
    @khan691 ปีที่แล้ว

    Excellent learning program 👍

  • @bestbestchannelupcoming
    @bestbestchannelupcoming 2 ปีที่แล้ว

    Thank you for the video.

  • @clayz1
    @clayz1 4 ปีที่แล้ว

    My one and only breadboard slash 555 timer electronics project. Has a battery, a pot, an on off switch and a variable time on off LED. Cool.

  • @smirksabre612
    @smirksabre612 4 ปีที่แล้ว

    Well great explanation about 555

  • @michaelbenard6758
    @michaelbenard6758 7 หลายเดือนก่อน

    Would you please explain in brief about pin 5 of the ne555 timer ic.

  • @ranjitfernando5241
    @ranjitfernando5241 3 ปีที่แล้ว +6

    Fine explanation. Had watched many tutorials but this was the best. Thank you so much. A small point. In your next videos please try to make a little bit slow in words. As some of my friends felt so. Then persons who are not very conversant in English will enjoy it more

  • @theinkyaw3640
    @theinkyaw3640 3 ปีที่แล้ว

    thanks for your lectures

  • @benjaminlindquist8530
    @benjaminlindquist8530 8 หลายเดือนก่อน

    I’m very new. I’m confused with the digital signal of “low” and “high.” Is it 1/3 Vcc and 2/3 Vcc or the highest of the inputs and lowest of inputs? I’m wondering about building circuits off pin 3 if you don’t know the voltage.

  • @gusel9
    @gusel9 4 ปีที่แล้ว +1

    If I’m correct, Pin # 4 is the Base of a PNP transistor which Is set Hight turning the transistor OFF, and when the switch is pressed the base is grounded, an therefore the PNP transistor should go ON.
    Thank you

    • @bingojamas4786
      @bingojamas4786 4 ปีที่แล้ว

      gusel9 I agree. That is why the emitter is connected to Vcc internally as shown.

  • @anasasim3856
    @anasasim3856 ปีที่แล้ว

    Man you are soo good! Thank you!

  • @GlynWilliams1950
    @GlynWilliams1950 2 ปีที่แล้ว

    Very useful
    We call it Triple 5 (timer), in my area in Australia
    We also say 5k (for the resistor, five Kay),
    We are already metric so we understand 1K etc

  • @PankajYadav-hr8tp
    @PankajYadav-hr8tp 4 ปีที่แล้ว +3

    Nice one ...super excited for the next episode ...now I can make my own clock...please explain by using a clock in the next video

    • @mediocreman6323
      @mediocreman6323 4 ปีที่แล้ว +1

      If you want to make a clock, use a quartz oscillator.

    • @PankajYadav-hr8tp
      @PankajYadav-hr8tp 4 ปีที่แล้ว

      @@mediocreman6323 thanks for the reply ..but I want an alternative option also...let's do something new

    • @mediocreman6323
      @mediocreman6323 4 ปีที่แล้ว +3

      @@PankajYadav-hr8tp - Why? If you want a clock, a crystal-based oscillator is the way to go. You can cut bread with scissors, yes, but why not use a knife? Given the fact that ohmic resistance changes with temperature and even a 1% tolerance in capacity and resistance is a huge deal for a clock (problems a quartz does not have, by design) would make a 555-based clock pretty darn inaccurate. Sufficient for processor clocks or something I guess, but not for an actual clock.

    • @PankajYadav-hr8tp
      @PankajYadav-hr8tp 4 ปีที่แล้ว

      @@mediocreman6323 well actually ,there is much more than the clock ,and it's a part of it...since the video was for education purpose, I guess the extra part will not be relevant.....and moreover the scissors are pretty much used than knife whenever you want to create something special than the usual work to do...

    • @RobiBue
      @RobiBue 4 ปีที่แล้ว

      @mediocre man: ok, scissors are two knives with a hinge, but the 555 is not made of two quartz oscillators, so if someone wants to use the 555 as a clock, there‘s nothing wrong with that. It is not necessarily going to be accurate, but even to cut bread, cutting it with a paring knife, or a chef knife, or even a Swiss Army knife is not going to give you the same result as cutting it with a bread knife, although either one of them is a knife... 🤪 ✌️

  • @clintestood5839
    @clintestood5839 3 ปีที่แล้ว +1

    Thanks for presentation

  • @fmphotooffice5513
    @fmphotooffice5513 4 ปีที่แล้ว +1

    Excellent presentation. A transcript of the script in the description wouldn't be too long and would be very useful. Regards.

  • @mahyarshokraeian
    @mahyarshokraeian 3 ปีที่แล้ว

    amazing explanation.

  • @mhnkmrm
    @mhnkmrm 4 ปีที่แล้ว +2

    Nice presentation, Karen and thank you for the information on the internal operation of the 555 , i have one doubt, is it a SR latch or flip flop ? if it is a flip flop i guess clock has to be provided for its operation which is not shown in diagram.

  • @howwitty
    @howwitty 3 หลายเดือนก่อน

    Hey, why is usually 5 < Vcc < 15? Is it possible to leak less current with higher Vcc or what is the tradeoff of using different Vcc in a circuit that has a variable electric potential?

  • @johnmarks714
    @johnmarks714 2 ปีที่แล้ว +1

    Awesome stuff. I hope you cover how the 6502 cpu works one day.

  • @shredder60
    @shredder60 2 ปีที่แล้ว

    Very well done

  • @dudipallabharathkumar5973
    @dudipallabharathkumar5973 2 ปีที่แล้ว

    Super explanation ..

  • @HS-eq3gk
    @HS-eq3gk 4 ปีที่แล้ว

    good video, easy to follow

  • @petrosanastasiou3243
    @petrosanastasiou3243 2 ปีที่แล้ว

    Nice job and presentation! Can you give some kind of advise for something more complicated i.e. PS21245-E (intelligent power Module), how I could drive it & control it with a simpler circuit.

  • @harriusk4u
    @harriusk4u 3 ปีที่แล้ว +1

    Incredible lecture! Just have a question. What is the triangle attached to the output pin? Look like it inverts the !Q output.

    • @maker_karen1785
      @maker_karen1785 3 ปีที่แล้ว

      That's exactly what it is, an inverter.

  • @gerrys6265
    @gerrys6265 2 ปีที่แล้ว

    Great explanation, thanks...except I am stuck on some point I obviously don't understand. sWhen the output is high (S is H) and Q bar then being low there is no power flowing to pin 3, so no power going to pin3 - even though one would think it would if there was power getting through the flipflop. When S is Low Q bar is high and although there is power flowing through the flipflop, does it not then (through its inverter) cut off the power to pin 3? So how/when does power get through to pin 3? Sorry for such a dumb (I think) question...
    Ahhh...I watched the next video and it became clear Thanks

  • @jimmym2719
    @jimmym2719 2 ปีที่แล้ว

    thanks for sharing , very well presented and understand, ❤️ to u .

  • @sinasaba3332
    @sinasaba3332 2 หลายเดือนก่อน

    That was perfect ❤

  • @danielramirezcruz.2209
    @danielramirezcruz.2209 2 ปีที่แล้ว

    Fantastic video great information l love it thanks for posting...

  • @WistrelChianti
    @WistrelChianti 3 ปีที่แล้ว

    nice explanation of the parts of the schematic and how the connect. Sadly that is all I got from it. Here's my problem though: A the start of the video I read that it is a "555 timer", so I assume it keeps time somehow. After watching, I understand that in fact it has functionality to compare voltages and weirdly contains an inverter when the Q pin could have been used to the same effect. The output of the compares goes into another thing. There are some pins too and I now know what they are connected to. An analogy would be if you showed me a washing machine in peices, but called it a motor car and explained that "this bit changes voltage levels" or "this bit spins" or "this bit pumps" then at the end said there are different modes. I'd have no idea what it did or how it worked.

  • @abhijitbhujel1418
    @abhijitbhujel1418 3 ปีที่แล้ว

    Very Good explanation.

  • @roneyalbirto6667
    @roneyalbirto6667 3 ปีที่แล้ว

    keep up the great work . you are awesome