How Optocouplers work - opto-isolator solid state relays phototransistor

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  • เผยแพร่เมื่อ 20 พ.ย. 2024

ความคิดเห็น • 460

  • @EngineeringMindset
    @EngineeringMindset  3 ปีที่แล้ว +81

    ⚠️ *This video took a long time to make* if you would like to buy Paul a coffee to say thanks, link below: ☕
    PayPal: www.paypal.me/TheEngineerinMindset
    Channel membership: th-cam.com/channels/k0fGHsCEzGig-rSzkfCjMw.htmljoin
    Patreon: www.patreon.com/theengineeringmindset

    • @zapatazapata6414
      @zapatazapata6414 3 ปีที่แล้ว +2

      Paul gets coffee! Thank you!

    • @chadmoyer1453
      @chadmoyer1453 3 ปีที่แล้ว

      Hey, much appreciated. I say this because I do maintenance for XPO and Holland freight and we do knock out where we remove c channel from concrete and jackhammer concrete and repour and weld dock plate and bumpers. A lot of work but definitely appreciated by those forklift drivers n truckers to keep production going. Good job n forgive me for grammar.

    • @bautranxuan3609
      @bautranxuan3609 2 ปีที่แล้ว

      @@chadmoyer1453 ......
      Bhhphều ncjj phễu

  • @anthonymercado3464
    @anthonymercado3464 2 ปีที่แล้ว +8

    Listen my guy... I have looked far and wide.. just got started with Arduinos, esp8266, and raspberrypi.. I understand the mechanical side, the software side, but just couldn't find a well versed and exampled documentary on how circuitry works.. on how to calculate the resistance needed and everything all in one video... This is genuinely GOLD man. This makes sense. Thank you

    • @EngineeringMindset
      @EngineeringMindset  ปีที่แล้ว

      See our new video on how to build mechanical versions of electronic circuits? Watch here: th-cam.com/video/Zv9Q7ih48Uc/w-d-xo.html

  • @coolbreezeafrica6571
    @coolbreezeafrica6571 3 ปีที่แล้ว +333

    Isn't this the best educative channel we have on TH-cam??..

    • @dwayne7356
      @dwayne7356 3 ปีที่แล้ว +19

      I have been retired for 3 years. I had to understand schematics and digital circuits as wells as pumps and motors for my job in power plant operations. I was not trained formally as an electrician. I knew what I didn't know but I could understand what I needed to know for personal and plant safety. However, I never understood enough that I could explain it or teach somebody else. I wish I was trained with these videos 30 years ago because they are so clear compared to drawing in a text books. May be then I could explained how things worked better because I knew things did work.

    • @coolbreezeafrica6571
      @coolbreezeafrica6571 3 ปีที่แล้ว +6

      @@dwayne7356 great to hear your part of the story,I wish you well.On my part,I am an HVAC technician,I came to realise there is no way you can troubleshoot air conditioner units without understanding basic electronics & circuitry,......I swear this channel has a way of making these things seem easier than they do on textbook

    • @EngineeringMindset
      @EngineeringMindset  3 ปีที่แล้ว +20

      Glad you think so

    • @thesmallestminorityisthein4045
      @thesmallestminorityisthein4045 3 ปีที่แล้ว +2

      Quite possibly.

    • @love7192
      @love7192 3 ปีที่แล้ว +2

      It definitely is the BEST EDUCATIVE channel here on youtube

  • @ArthurTugwell
    @ArthurTugwell 3 ปีที่แล้ว +100

    I’ve said this time and time again, this channel is the most well thought out and informative on this whole platform. Schools should be showing your videos to engineering students. Incredible guys, can’t praise you enough.

  • @dax3m
    @dax3m 2 ปีที่แล้ว +6

    I can't tell you how grateful I am for making these videos; I have a hard time accepting "this does that" without an explanation of the underlying foundations of why it "does that". Your explanation down to physical properties of the material is precisely what makes me go "oh! that's why!" and what I've been looking for all this time I've been trying to learn electronics. Keep up the amazing work and thank you!

  • @roberthatcher2773
    @roberthatcher2773 3 ปีที่แล้ว +24

    You break the components/circuits down so clearly with simple images it makes it much easier to follow than most of the other subject videos on TH-cam. Thanks!

  • @s2003katalin
    @s2003katalin 2 ปีที่แล้ว +6

    Today I wanted to know how optocouplers worked. Don’t actually need to but it intrigued me. I can safely say THIS is the best video explaining it. Thank you for the calculation of resistor values as well as the real life examples of being able to add them up.

    • @EngineeringMindset
      @EngineeringMindset  ปีที่แล้ว +1

      Check out NEW resistor video, everything covered! ➡️ th-cam.com/video/DYcLFHgVCn0/w-d-xo.html

    • @s2003katalin
      @s2003katalin ปีที่แล้ว +1

      @@EngineeringMindset Thank you! Really appreciate it.

  • @GadgetEyeGuides
    @GadgetEyeGuides 3 ปีที่แล้ว +21

    This has got to be one of my most favorite educational channels.
    Absolutely top notch!

  • @skhumbuzocele1330
    @skhumbuzocele1330 3 ปีที่แล้ว +12

    You have taught me more in one Video that I have learned in my Electrical Engineering classes combined. Thank you.

  • @simonadeyi
    @simonadeyi 2 ปีที่แล้ว +1

    This is truly the best TH-cam channel for the engineering minds.

  • @markjosephlobete2563
    @markjosephlobete2563 2 ปีที่แล้ว +5

    This is by far the most educative approach regarding optocouplers!
    Thank you so much for Engineering Mindset

  • @Nancys_on_fire
    @Nancys_on_fire 2 ปีที่แล้ว +2

    I just found this channel and I don’t know how I ever lived my life without it. Thank you so much for providing such fantastic content!

  • @pauljanssen5262
    @pauljanssen5262 3 ปีที่แล้ว +39

    In the video starting at 13 min 30 sec, the second resistor in the drawing shows 220 ohms, but you meant this to be 22 ohms.

    • @EngineeringMindset
      @EngineeringMindset  3 ปีที่แล้ว +5

      Thanks it's noted in the video description

    • @EngineeringMindset
      @EngineeringMindset  ปีที่แล้ว

      Check out NEW resistor video, everything covered! ➡️ th-cam.com/video/DYcLFHgVCn0/w-d-xo.html

  • @yaswanthamuluru6190
    @yaswanthamuluru6190 3 ปีที่แล้ว +2

    Best way to explain electronics
    Glad I can trust youtube channel rather than my teachers .

  • @Drone360pilot
    @Drone360pilot ปีที่แล้ว +1

    This one so far most practical video on the channel 🎉 pls keep up this way! Thank you for creating useful content ‼️

  • @MrThinhle
    @MrThinhle 3 ปีที่แล้ว +5

    You're the best teacher ever. I really appreciate what you did. Thank you !

  • @emilmathew3280
    @emilmathew3280 3 ปีที่แล้ว +12

    Your way of presentation is super

  • @Valleedbrume
    @Valleedbrume 3 ปีที่แล้ว +3

    The Optocoupler was my favorite device for keeping low/high voltage apart.Use to use it to drive Triac’s with it for light shows.Great video

  • @HairyTheCandyMan
    @HairyTheCandyMan 3 ปีที่แล้ว +2

    Dude. You literally have the most informative channel on electronics. This has helped me a TON.

  • @chadmoyer1453
    @chadmoyer1453 3 ปีที่แล้ว

    Wish I could join but can't afford right now but I'll tell you what this video is ridiculously awesome. I don't have much knowledge in this area but I do electrical and am easily intrigued by how things work. This is the way God has made me and it's exciting to be moved by science.

  • @سعيدالرزيقي-م6ط
    @سعيدالرزيقي-م6ط 2 ปีที่แล้ว

    عرض ممتاز وسهل ومبسط نشكر القائمين على البرنامج. ونتمنى ترجمة المقاطع إلى اللغة العربية.

  • @dwjw1
    @dwjw1 2 ปีที่แล้ว

    Very complete and concise presentation.
    I noticed one thing about PC817 though that surprised me. You show the pins 1, pin 2 on one side and pin 3, pin 4 on the other. According to the Sharp datasheet, pin 3 should be pin 4 and pin 4 should be pin 3. That is, the pins are numbered down one side and up the opposite side, not both sides from top down. Not sure that will cause anyone too much heart burn, but ...

  • @CoolDudeClem
    @CoolDudeClem 3 ปีที่แล้ว +14

    Wait what's this? A tech video with actual NARRATION and ILLUSTATIONS? Now THIS is how it SHOULD be done!

    • @RonJohn63
      @RonJohn63 3 ปีที่แล้ว +2

      The only thing (not!) missing is loud drama music overpowering is voice.

    • @raybin6873
      @raybin6873 3 ปีที่แล้ว

      Now if TH-cam only had spell check for the comments section Lol! 😄👍

  • @Mr2Xri
    @Mr2Xri 3 ปีที่แล้ว

    Your big talent I think is that you have a unique manner to make all the electronics to look like so simple!

  • @mr.fixcamer
    @mr.fixcamer 3 ปีที่แล้ว

    My First time on this channel. Fallen in love with it

  • @otpop.1288
    @otpop.1288 2 ปีที่แล้ว

    This channel have everything about circuit 😂😂im so glad found it as before start my first year in university as electronic engineer student

  • @drlegendre
    @drlegendre 2 ปีที่แล้ว +1

    When discussing optocouplers, it's a good idea to mention Vactrols aka resistive optoisolators. They aren't ofren used these days in new designs, but in the past they were widely used in audio gear like guitar effects and analog synthesizers. Since these are both popular topics, DIYers are likely to encounter the Vactrol sooner or later.

  • @thehighriseconstructionob9679
    @thehighriseconstructionob9679 3 ปีที่แล้ว

    Oh my Gosh you are gunious 1st time I understand because of your gunious presentation thank you so much sir. I listened other video again & again but I didn't understand . but I understand your presentation so far thank you so much may God bless you sir you are gunious.

  • @antonfernando8409
    @antonfernando8409 2 ปีที่แล้ว +1

    As a comp sci person, always struggled with these switches, very basic theory as you explained.

  • @EvolverDX
    @EvolverDX 2 ปีที่แล้ว

    [13:10] the diagram shows 2 resistors with 270ohm and 220ohm instead of 270ohm and 22 ohm.
    Very good and informational Video!

    • @rccoh777
      @rccoh777 2 ปีที่แล้ว

      literally just seen that and checked comments for anyone else that noticed lol

    • @EngineeringMindset
      @EngineeringMindset  ปีที่แล้ว

      Check out NEW resistor video, everything covered! ➡️ th-cam.com/video/DYcLFHgVCn0/w-d-xo.html

  • @thehighriseconstructionob9679
    @thehighriseconstructionob9679 3 ปีที่แล้ว

    You are so gunious some staff 1st time I understand because of your so gunious exponation you are truly angel thank you sir. 🙏😀.

  • @sk8t3rcz
    @sk8t3rcz ปีที่แล้ว

    Beautiful world of electronics, physics laws and maths. Thank you for very informative video

  • @djisydneyaustralia
    @djisydneyaustralia ปีที่แล้ว

    Very good presentation, easy to understand for people that are just learning

  • @ionutspam947
    @ionutspam947 3 ปีที่แล้ว

    Very easy to understand, the graphics are simple and to the point.

  • @HR41Plan
    @HR41Plan 8 หลายเดือนก่อน

    Vraiment super bien expliqué avec des exemples concrets et les formules mathématiques qui explique toutes

  • @nikolaradosavljevic3004
    @nikolaradosavljevic3004 2 ปีที่แล้ว

    I've learned more watching the first half of this video than I'm comfortable to admit.

  • @lazarjolic5416
    @lazarjolic5416 2 ปีที่แล้ว

    A just can't fall asleep, if i dont watch one of this, it's just amazing...

  • @AMGTOM
    @AMGTOM 3 ปีที่แล้ว

    I am so happy I can show this video to my kids. Thanks again.

  • @WiPri0371
    @WiPri0371 3 ปีที่แล้ว

    This was actually better than I thought it was going to be.

  • @thanglian
    @thanglian 3 ปีที่แล้ว +1

    Thanks millions for your videos.I am from the poorest of Country. no education lol. I love your mind .

  • @GeoffreyCudjoeAgbemenya-ts6iq
    @GeoffreyCudjoeAgbemenya-ts6iq 11 หลายเดือนก่อน

    This is an enlightening and very educative video. I would like watch more of this. But i have a question for you for this particular video and this is: why haven't you added the current rating on the diode in the calculation?

  • @guywaynebert
    @guywaynebert 3 ปีที่แล้ว

    This is the best explanation of a optocoupler I have seen... Thanks!

  • @akaWILDBILL82
    @akaWILDBILL82 3 ปีที่แล้ว

    One of my favorite channels on TH-cam. Could you please do a video on compressed air drying techniques, in particular HEAT OF COMPRESSION DESICCANT DRYERS. I’ve worked in oil and gas, pulp and paper, and defense and have had these in every industry but only recently had problems with them. Thank you.

  • @manhardanmahedu3765
    @manhardanmahedu3765 3 ปีที่แล้ว

    Best chanel educating not only theory but practical too by visual animation. Fantastic explanation of circuit 👍👍👍

  • @MichaelOfRohan
    @MichaelOfRohan 3 ปีที่แล้ว

    Fantastic electron demo. Doesnt get much easier than that, and its not easy at all

  • @VolcanoGamingVR
    @VolcanoGamingVR ปีที่แล้ว

    Keep up the good work Paul, I love how you can dumb these circuits so I can understand easily

  • @andrea_dev
    @andrea_dev ปีที่แล้ว

    This is THE most interesting video i've found on this subject so far! Really well explained 😍
    Thank you!

  • @worldsbeauty472
    @worldsbeauty472 3 ปีที่แล้ว +1

    It's so satisfying watching the video. 😍

  • @BuildswithBrian
    @BuildswithBrian ปีที่แล้ว

    I have learned som much from this channel, thank you thank you

  • @curtis133
    @curtis133 3 ปีที่แล้ว +5

    Very well explained clean and clear, I'd let my kids learn from this ( if I had kids) lol

  • @W8125-c7f
    @W8125-c7f 3 ปีที่แล้ว +8

    Here i am with my bachelor in Mechatronics having passed my electronics exam and getting a better explanation from this guy than from my professor

    • @tinytonymaloney7832
      @tinytonymaloney7832 3 ปีที่แล้ว

      Let's hope your Prof doesn't recognise you 😂😂😂

  • @Antebios
    @Antebios 3 ปีที่แล้ว +1

    It's 1am and I can't stop watching these videos. My mind in blown on how our world in built on what's basically Legos. I need to go to bed in order for work tomorrow!!!

  • @ryandominici1199
    @ryandominici1199 2 ปีที่แล้ว

    Love this guys voice

  • @paigelooney6117
    @paigelooney6117 3 ปีที่แล้ว

    This is the best educational videos ive seen yet very easy to follow and very informative.

  • @agstechnicalsupport
    @agstechnicalsupport 2 ปีที่แล้ว

    I love this video. Very clear and instructive. Animations of current moving makes it easy to follow. Thank you for posting !

  • @TheKatrinaYang
    @TheKatrinaYang 3 ปีที่แล้ว

    About 4:30 is where it starts to talk about the physics, good stuff!

  • @elope024
    @elope024 3 ปีที่แล้ว +13

    Great video and awesome job on making the content understandable.

  • @LinhNguyen-dz2pq
    @LinhNguyen-dz2pq 2 ปีที่แล้ว +10

    There's a slight mistake at around 13:20 where you put 220 ohms instead of 22 ohms. Overall, I like your video a lot!

    • @civick2052287livecom
      @civick2052287livecom 2 ปีที่แล้ว

      I was like huh? 👍

    • @privacyvalued4134
      @privacyvalued4134 ปีที่แล้ว

      The mistake must be intentional just to see if you are paying attention in this class. If you can instantly spot the mistake, then you are well on your way to becoming an electrical engineer!

  • @kevin00861
    @kevin00861 2 ปีที่แล้ว

    Thanks a million times for your amazingly detailed and comprehensive video, it's highly appreciated

  • @vsdvn
    @vsdvn 3 ปีที่แล้ว

    Thank you for explain with the animated circuit. 👍👍🌹🌹🌹🌹💝

  • @mohamedshahulmeeran3231
    @mohamedshahulmeeran3231 2 ปีที่แล้ว

    ❤️❤️❤️ I loVe ELECTRONICS BY your explanation..

  • @kevinbowker2385
    @kevinbowker2385 3 ปีที่แล้ว

    I can't thumb this video up enough times! Wonderfully explained!

  • @mofaksalman9112
    @mofaksalman9112 2 ปีที่แล้ว

    Fantastic and wonderful and beautiful and amazing and superb and brilliant explanation....thank u

  • @ArjunaWeerasinghe
    @ArjunaWeerasinghe 3 ปีที่แล้ว +1

    Hi I appreciate your effort creating the video. I noticed around 1:44 that the load is connected to emitter. Usually the load is driven by the collector.

  • @iforce2d
    @iforce2d ปีที่แล้ว

    wow, this is some quality video creation

  • @karabotjizake173
    @karabotjizake173 ปีที่แล้ว

    Awesome video. You make it seem like a walk in the park. Should I have come across your content during my school days I was going to ACE most modules.

  • @arjundas708
    @arjundas708 26 วันที่ผ่านมา

    Nice information will reach even beginners 🎉

  • @claudioosorio4847
    @claudioosorio4847 3 ปีที่แล้ว +2

    At the beginning, around 1min, the PC817 is showed with the pins 3 and 4 in inverted position. It would be ok in schematic presentation.

  • @hoofheartedicemelted296
    @hoofheartedicemelted296 10 หลายเดือนก่อน

    This is explained so well. Thank you sir.

  • @antoniobeatriz6634
    @antoniobeatriz6634 3 ปีที่แล้ว

    Very nice explanation. It's like in a classroom.

  • @Peaceandrespect1639
    @Peaceandrespect1639 หลายเดือนก่อน

    Thank you engineering mindset.

  • @ynwa2402
    @ynwa2402 3 ปีที่แล้ว +1

    I want to say keep the good work mate this channel deserve all the support 👌, I had recently a job switch to BMS and still find it quite hard to understand programs like Plain English(Continuum) or Function block(EBO,Vista) when doing troubleshooting, I appreciate if you could shed some light on this or somehow give an advice.Thanks again for all what you doing😊

  • @josephantony5589
    @josephantony5589 3 ปีที่แล้ว

    Very nice and easy to follow demo as far as the basic functioning. Thanks Sir so much.

  • @dedimardianto4983
    @dedimardianto4983 3 ปีที่แล้ว

    Simply demonstrated optocoupler circuit,thank 's for you sharing and added knowledge,,sincerealy your's

  • @muhammadbilal2000
    @muhammadbilal2000 3 ปีที่แล้ว

    You are a blessing for students. Thank you so very much.

  • @architkulkarni8493
    @architkulkarni8493 ปีที่แล้ว

    I enjoyed learning due to this video🤟

  • @antonybaranowski9765
    @antonybaranowski9765 3 ปีที่แล้ว

    Great movie! What a depth of delivery and at the same time how simple it is!

  • @brandonfarfan1978
    @brandonfarfan1978 ปีที่แล้ว

    This is really interesting. Thanks for explaining this stuff to us viewers.👍

  • @ksanoop7140
    @ksanoop7140 3 ปีที่แล้ว

    Providing Complete knowledge about something is just great. You are the best. I don't get doubts while watching. Soo well explained. Thank you for your work. :)

  • @brahimabdelsadek9534
    @brahimabdelsadek9534 3 ปีที่แล้ว +1

    Very interesting. Thanks for sharing and teaching us.cheers from Algeria.keep going please.

  • @niyiadewumi
    @niyiadewumi ปีที่แล้ว

    Very educative…. Thank you for this

  • @vimalbethuraj3915
    @vimalbethuraj3915 3 ปีที่แล้ว

    Iam really fan of your video ☺️☺️ and ur animation is well good

  • @nguyenthinh6188
    @nguyenthinh6188 2 ปีที่แล้ว

    Very good video for explain how pc817 work

  • @keitho77
    @keitho77 2 ปีที่แล้ว

    Another excellent video with great explanation. Thank you.

  • @dan-lionne
    @dan-lionne ปีที่แล้ว

    Thank you very much. This was very helpful.

  • @printlife9016
    @printlife9016 3 ปีที่แล้ว +3

    Great video! Very instructive, definitely 10 out of 10 !

  • @medicalminute4927
    @medicalminute4927 2 ปีที่แล้ว

    I rarely subscribe to channels but I did this time

  • @1chamoy20006
    @1chamoy20006 2 ปีที่แล้ว

    I love the explanations on everything

  • @balimade5686
    @balimade5686 ปีที่แล้ว

    i really love this channel

  • @fixnreview
    @fixnreview 3 ปีที่แล้ว

    Clearly understands ur explanation. Thank u sir!

  • @wesameed824
    @wesameed824 3 ปีที่แล้ว

    Thank you for the good informative video
    00.38 but there is a wrong and the arrangement of the pins
    Collector is pin4
    Emitter is pin 3

  • @williamporter3806
    @williamporter3806 3 ปีที่แล้ว +1

    I worked in a nuke plant for a while. We were not allowed to take flash pictures behind the control panels (to verify wiring prints) because the flash could (and did, apparently) trip some opto-isolated components!

  • @user-tj8yb6cz6c
    @user-tj8yb6cz6c 3 ปีที่แล้ว

    Love your videos and your videos are the BEST

  • @ankitkumarpathak6768
    @ankitkumarpathak6768 3 ปีที่แล้ว

    unmatchable video

  • @mellowmoose62
    @mellowmoose62 หลายเดือนก่อน

    Pardon my ignorance. But at the 10:21 minute of your video, when calculating the necessary resistor value for the secondary side of circuit 1, does the LDR not have a voltage drop to include in the calculation? I appreciate your very well documented video.

  • @AtAGlimpse_UB
    @AtAGlimpse_UB 2 ปีที่แล้ว +1

    I LOVE THIS TYPE OF CONTENT! Great work Paul!
    Can you make a video on other types of optocouplers? it would be helpful too..

  • @JasonLeaman
    @JasonLeaman 3 ปีที่แล้ว +1

    Id have to say this channel has tons of good content, nice work !

  • @RonJohn63
    @RonJohn63 3 ปีที่แล้ว

    Clever use of the photoelectric effect.

  • @miketrissel5494
    @miketrissel5494 3 ปีที่แล้ว +1

    I still remember back in 1980. We had an industrial application to measure PH Levels. It had an optocoupler of earliest design. A 1/2" plastic tube with 2 wires coming out of each end . // \\ They lasted about 4 months, and had to be replaced at a 1980 price of $80/EACH. 🤓 Much at my bosses dismay (wasting company time), I found out that there was a photo-transistor on one side, and a PR-2 flashlight bulb on the other side. The bulb burned out every 4 months. 🙄 These were glued in place with silicone. Bulb was less that a dollar.🤐 Boss never accused me of wasting time again.😄😄

    • @SandraWarmbreath
      @SandraWarmbreath 3 ปีที่แล้ว +1

      There were many very high quality optocouplers available in 1980 with extensive reliability data and used for the most sensitive and critical military and space apllications as well as commercial applications so you must have come across some really kludgy design.

  • @nacriansyah9908
    @nacriansyah9908 3 ปีที่แล้ว +1

    I like this video , very complete ...
    Nice👍