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Arduino Uno: control circuits and homebuilt servos 

HomoFaciens
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Table of content:
00:00 introduction
01:16 boot process
02:24 basic input/output
03:27 simple computing
04:10 optical sensors scanning disc
06:12 controlling an H bridge
07:02 analog inputs (ADC)
08:07 controlling servos
09:55 improving the homebuilt wiper servo
11:48 PID control loop
17:04 soft start and emergency stop
18:35 controlling a combustion engine
21:08 linear servo with digital sensor
More info at the project page:
www.homofaciens.de/technics-co...

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23 июл 2024

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Комментарии : 332   
@Kaxlon
@Kaxlon 5 лет назад
I find myself coming back and watching these videos, still after a couple of years. Thank you! =)
@dozerjohn
@dozerjohn 9 лет назад
Thick german accent = guaranteed technical knowledge.
@HomoFaciens
@HomoFaciens 9 лет назад
John Grammaticus Danke!
@lilprozen2
@lilprozen2 9 лет назад
HomoFaciens Der Akzent ist halt echt Krass ! :D aber er hat Recht ^^
@HomoFaciens
@HomoFaciens 9 лет назад
lilprozen2 ...gibt's auch mit leischt hessischem Akzent: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-ZYu3hsRD85Q.html ;)
@attack125
@attack125 8 лет назад
+John Grammaticus i thought it was arnold
@MegaMalek95
@MegaMalek95 8 лет назад
+John Grammaticus good one
@1MillonOne
@1MillonOne 8 лет назад
The best video about servo control ever!! You're the man that really want to teach, Thank you!!!
@dreamtreater
@dreamtreater 4 года назад
I saw this video for the first time a couple of years ago when I started with Arduino and I come back to it today april 2020. I have a background as chemical engineer and seeing PID like this inspired me very much. Now I'm finally going to try this myself and master some Home-PID stuff. Thanks for the inspiration!
@HomoFaciens
@HomoFaciens 4 года назад
You're welcome! Good ideas need time to grow! I hope to find time to dive deeper into PID in the near future with my series about "Physical Computing".
@dreamtreater
@dreamtreater 4 года назад
Thanks for the incouragement @@HomoFaciens Looking forward to it
@londonjuniormg
@londonjuniormg Год назад
Have fun man 😊
@lowendguru
@lowendguru 9 лет назад
Your accent is as strong as your electronics knowledge. Impressive.
@HomoFaciens
@HomoFaciens 9 лет назад
lowendguru Thanks! I am working on: 1.) getting even more knowledge day by day... 2.) ...improving my pronunciation and grammar with each new video.
@bradyrose
@bradyrose 8 лет назад
+HomoFaciens If you improve your accent any more how am I going to tell the diffrence between you and the post apocalyptic inventor? Are you sure that there isn't a correlation between the thickness of your accent and an overwhelming technical knowlege? I am concerned that if you start sounding less german you may become tired and lazy and start getting fat and before you know it your electrical panel is going to look like all the ones we have here in America. Entire nation states are relying on you here to preserve this knowledge, you know we don't read any more. P.S. I am also concerned about how annoying it will be once you've surpassed our English and start out shining us like the Koreans. Have you ever seen a Korean's English handwriting? It's impeccable! liked and subscribed.
@HomoFaciens
@HomoFaciens 8 лет назад
+Brady Rose Don't worry, I will never be able to wipe out my German accent and I'll stay focused on science & technology rather than on improving my pronunciation. My handwriting is horrible. I and some close relatives are the only ones that can read it. :-))
@qbitsday3438
@qbitsday3438 3 года назад
@@HomoFaciens Your Pronunciation is Great . i ;love it , it sound like Arnold !
@kevinbyrne4538
@kevinbyrne4538 7 лет назад
Thank you for taking the time and trouble to prepare all of these demonstrations. Very useful information.
@63mrl
@63mrl 7 лет назад
Kudos to those people that are true stewards of knowledge and chose to share such knowledge with others.
@simongchadwick
@simongchadwick 8 лет назад
Many, many thanks for a very inspiring video! This is RU-vid at its finest! You have given me many ideas for projects around the house, including directional ADS-B antenna motors for monitoring aircraft traffic. I have much to learn, and you are a wonderful teacher!
@HomoFaciens
@HomoFaciens 8 лет назад
+Simon Chadwick You're welcome! Monitoring the environment with computers will be a subject of future videos.
@asciisynth
@asciisynth 8 лет назад
Brilliant - the best explanation of PIDs I've ever seen. I still don't fully understand, but I just need to watch this a couple more times :)
@bikefarmtaiwan1800
@bikefarmtaiwan1800 7 лет назад
WOW! thanks for posting! Lots and lots of interesting information. Very educational indeed!
@omskariyazmaraikayer913
@omskariyazmaraikayer913 9 лет назад
I appreciate the meticulous setup made from everyday components. Thats pure genius . To explain an exotic concept with simplest of things , thats where you have excelled . keep up the excellent work. Omska
@HomoFaciens
@HomoFaciens 9 лет назад
omskariyaz maraikayer Thanks! Even if creating circuits especially for my videos eats a lot of time, it is worth doing it for followers like you.
@omskariyazmaraikayer913
@omskariyazmaraikayer913 9 лет назад
Its pure charity , and charity is always rewarded . May God Bless you.
@shanemacdonnacha4193
@shanemacdonnacha4193 8 лет назад
One of the best videos on youtube on the subject. Thanks and God bless you.
@HomoFaciens
@HomoFaciens 8 лет назад
+Shane Mc Donagh You're welcome and: share the video and my project page with your friends.
@generalwrex
@generalwrex 9 лет назад
This video was very informative in all aspects! First time I've heard about an H Bridge, i'ts a very nice setup! Thanks a lot!
@HomoFaciens
@HomoFaciens 9 лет назад
General Wrex You're welcome! H bridges are essential devices in robotics which is why I have made a video showing the working principles: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-SsB_ezlict4.html
@antmallett6065
@antmallett6065 9 лет назад
Brilliant. Thank you for sharing - one of the best youtube videos I've seen regarding electronics in general, and the best Arduino video I've ever seen by almost an order of magnitude. I was really impressed by the point to point wired H-bridge - superb!
@HomoFaciens
@HomoFaciens 9 лет назад
Ant Mallett Thanks! Soldering the circuits in such a way that all devices are arranged clearly and similar to the drawn schematics is one of the points that make my videos eat a lot of time to create, but I think it's better than using breadboards. A good picture is worth a 1000 words.
@sonarprince
@sonarprince 8 лет назад
Great video. Good to understand how integrals and derivatives work in code to help better control the servo. I learned something new. Been wondering when I will every use the calculus one and two guess I better keep those notes and books.
@Ziplock9000
@Ziplock9000 7 лет назад
This is a really good and comprehensive video.
@kamatihasheela2995
@kamatihasheela2995 9 лет назад
you are amazing. i am really impressed by your creativity
@alboukhari20011
@alboukhari20011 6 лет назад
It's very mazing to follow your way to explain and demonstrate technical knowledge, that reflet a height level knowledge and concept in germany . good thinks for all lessons.
@weneedfreedomtoo
@weneedfreedomtoo 10 лет назад
Thanks for your teaching. Thanks for your sharing. I admire you so much!
@HomoFaciens
@HomoFaciens 10 лет назад
You're welcome!
@livehumansinside19
@livehumansinside19 9 лет назад
This is really cool. This kinda stuff looks addicting, keep up the good work!
@HomoFaciens
@HomoFaciens 9 лет назад
DankSun420 Thanks! I am trying to improve the quality with each new video...
@Mots-mot
@Mots-mot 8 лет назад
Thanks for sharing such a brilliant video. after watching your videos and reading your blogs I have started small mechanical and electronics projects at home.
@HomoFaciens
@HomoFaciens 8 лет назад
+pankaj motiyar You're welcome! Encourage people to start own projects is the main intention of my videos.
@JackANDJude
@JackANDJude 7 лет назад
Really impressive content! I'll be checking out more of your videos and trying new things! :)
@fusauce5962
@fusauce5962 8 лет назад
I never thought i'd be getting electronics lessons from Arnold Schwarzenegger!
@HomoFaciens
@HomoFaciens 8 лет назад
Never say never!
@preddy09
@preddy09 7 лет назад
Electronics:Terminator just like Biology:Human
@splendensregan5270
@splendensregan5270 7 лет назад
HA HA HA HA HA HA !!!
@MasterBoyZs
@MasterBoyZs 5 лет назад
Wir deutschsprachigeb Menschen können auch englich
@ggsmith48906
@ggsmith48906 5 лет назад
He's NOT a TOO-tah!
@OwenBrunette
@OwenBrunette 9 лет назад
Great video. Illustrates a number of control techniques and compares micro controllers with the more fully fledged Raspberry.
@TheMBagge
@TheMBagge 8 лет назад
This is absolutely brilliant. Thank you for sharing.
@HomoFaciens
@HomoFaciens 8 лет назад
+Martin Johansen You're welcome!
@virtualan
@virtualan 9 лет назад
Very informative! Thank you!
@MrLaTEchno
@MrLaTEchno 8 лет назад
Nice Lesson well done easy to follow.
@Kugruabay
@Kugruabay 9 лет назад
I would give your video two thumbs up were it possible, great information.
@HomoFaciens
@HomoFaciens 9 лет назад
Kugruabay Thanks! Share the video with your friends. That might give me a second thumb up.
@pangpengmaster
@pangpengmaster 8 лет назад
1. In depth explanations, many examples. 2. Comprehensive narration despite the strong accent. Most native english speakers could not be this simple btw! 3. Servo, PID, Engine, rotary encoder, Raspi, engine etc in one video. Damn! 4. No Windows/Mac and proprietary shits, open source all the way! 5. Simple old laptop used in most videos rather than new computer, allowing most audience to easily implement due to backward compatibility. 6. Closed-caption provided. 7. Table of Content. 8 Creative common. Thank you so much bro. This is the first time I comment, hit the like button and subscribe in one video! Regret not knowing you before!
@HomoFaciens
@HomoFaciens 8 лет назад
+Fariz Adnan 9. You're welcome!
@menkyboy
@menkyboy 8 лет назад
I made a micro donation to your projects... Thank you much for this video
@HomoFaciens
@HomoFaciens 8 лет назад
+Menuka Gamage Thanks for your donations - each coin counts.
@LorenzWolf1
@LorenzWolf1 9 лет назад
I love the DIY nature of the video.
@HomoFaciens
@HomoFaciens 9 лет назад
Lorenz Wolf It's because I like DIY machines - my latest project is a low tech CNC machine. That video will be online soon.
@semphony100
@semphony100 8 лет назад
thanks a lot I have understood from this tutorial what I have been struggling for a long time to understand
@HomoFaciens
@HomoFaciens 8 лет назад
+Hossam Zayed You're welcome!
@andyspoo2
@andyspoo2 9 лет назад
Thanks for the extra info and photos,. Greatly apprrciated.
@HomoFaciens
@HomoFaciens 9 лет назад
andy parry You're welcome! Requests like yours help me to improve my project. If you'd like to get a quicker response, visit my project page and leave a comment (I'm not logged in to RU-vid every day...).
@alessioyautja612
@alessioyautja612 9 лет назад
Very good video... I dotn mean to cause offense when i say; despite the evident language barrier this was exceptionally well explained. I'll be referring back to this video when i start building control circuits, thank you for taking the time to produce and upload it ^^
@HomoFaciens
@HomoFaciens 9 лет назад
Alessio Yautja I indeed recognize that there is a language barrier each time I am recording the audio track of a new video so I don't mind if people refer to my German accent. I am trying to get better with each new video ;) Thanks in advance for sharing this video and maybe the project page that belongs to this chapter, too: www.homofaciens.de/technics-computer-arduino-uno_en_navion.htm
@alessioyautja612
@alessioyautja612 9 лет назад
I like hearing my native language spoken in other accents, I find that foriengers actually teach me more about my own language. They make me realise the subtle differences between words, instances of humor and just how difficult it is to learn English in general :D Your spoken English is superb though, I wish my German vocabulary and pronounciation were as good >.
@HomoFaciens
@HomoFaciens 9 лет назад
Alessio Yautja Let me know if you run into trouble when trying to copy my circuits, so I can improve my videos as well as the circuits I have built.
@allanrm
@allanrm 8 лет назад
Excellent video. Thanks for that...
@ShivCharanMadan
@ShivCharanMadan 7 лет назад
Linear control system explained really well......... Please also upload such practical examples for non linear control system
@HomoFaciens
@HomoFaciens 7 лет назад
I'll keep that in mind for future videos about control systems.
@Transmission4less
@Transmission4less 7 лет назад
amazing work. thank you for sharing.
@AmyAndrewAdventures
@AmyAndrewAdventures 8 лет назад
So frickin' excellent! Thank you!
@lawrence1md
@lawrence1md 8 лет назад
großartiges Video! Ich möchte mehr Informationen über die linearen Servo mit digitalen Sensor mögen. Vielen Dank
@HomoFaciens
@HomoFaciens 8 лет назад
+Matthew Lawrence Danke! zu den Linearantrieben habe ich ein weiteres Video veröffentlicht: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-1lJO7Dwgeuo.html Gibt's auch auf Englisch: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-XIUrnR8bLAI.html Mehr infos auf meiner Projektseite: www.homofaciens.de/technics-base-circuits-encoder-disc_en_navion.htm
@dirkhuyghe3242
@dirkhuyghe3242 8 лет назад
Great explanation !
@Ed19601
@Ed19601 9 лет назад
Ausgezeichnet. Einsame Spitze!
@MontclairsLair
@MontclairsLair 8 лет назад
Can't wait to apply this wiper motor servo control to my Halloween props! Excellent video!
@HomoFaciens
@HomoFaciens 8 лет назад
+Montclair I am currently working on a video about rotary encoders. I am showing how to build an even better wiper motor servo. Stay tuned!
@Drxxx
@Drxxx 4 года назад
amazing project !
@slightlyarrogant
@slightlyarrogant 8 лет назад
I watched this video, very informative, thanks!
@HomoFaciens
@HomoFaciens 8 лет назад
+Bogdan Czarnecki You're welcome!
@yolamontalvan9502
@yolamontalvan9502 5 лет назад
Great tutorial. Thank you, Schwarzi.
@MrKhalio
@MrKhalio 9 лет назад
Excellent video/tutorial
@76Raby
@76Raby 8 лет назад
Excelent video + you shared the source code. Thanks a lot.
@HomoFaciens
@HomoFaciens 8 лет назад
+Radek Bystřický All my projects are open source. Makers all over the world must be able to replicate machines they need.
@arifanwari3168
@arifanwari3168 8 лет назад
Amazing video and lol, right at the end you sound like the "Terminator", when you said "I,I'll be back". :)
@HomoFaciens
@HomoFaciens 8 лет назад
+arif anwari ...it's a promise I have kept multiple times before. My latest video will go online at the end of this week and it is about an upgrade of my CNC v2.0 - stay tuned!
@alisyed9928
@alisyed9928 7 лет назад
Exellent video. well done.
@mrakjunior
@mrakjunior 7 лет назад
excellent video!
@didierlauwerys8390
@didierlauwerys8390 9 лет назад
Great video, thanks for sharing!
@HomoFaciens
@HomoFaciens 9 лет назад
Didier Lauwerys You're welcome!
@rethnagireeshwar7199
@rethnagireeshwar7199 7 лет назад
you are just awesome man... thank you.
@OffTheBeatenPath_
@OffTheBeatenPath_ 9 лет назад
Who knew Arnold was into Arduino
@HomoFaciens
@HomoFaciens 9 лет назад
flahr1 You're wrong! Arduino is in Arnold, turning him into a terminating cyborg...
@VladVladimirov
@VladVladimirov 9 лет назад
ahah! I just thought about it)))
@jezjoseph
@jezjoseph 9 лет назад
Ill be nice now , this is an exceptional video , definitely getting a subscribe now !!!
@HomoFaciens
@HomoFaciens 9 лет назад
Jez Joseph Thanks!
@arduinomaquinas
@arduinomaquinas Год назад
Awesome video 🇧🇷😉👍great video 👏👏👏👏👏👏 thank you bro, subscribed !
@islahuddinkhattak7120
@islahuddinkhattak7120 6 лет назад
Really great man
@vksateesh
@vksateesh 7 лет назад
Nice Video sir.
@josephlavoie2253
@josephlavoie2253 8 лет назад
excellent video thanks for shareing
@Sreemetals
@Sreemetals 7 лет назад
VERY VERY INFORMATIVE
@leitoxx
@leitoxx 8 лет назад
Thanks its very important to my contry
@HomoFaciens
@HomoFaciens 8 лет назад
You're welcome! Share my projects with your friends to help them, too.
@gordonyoud5975
@gordonyoud5975 7 лет назад
Help, how can I synchronise two dc motors. I am building a biped and each leg is a windscreen motor, I want to make sure the left motor does not get out of step position with the right leg. Any ideas gratefully received.
@taufiqhermawan3647
@taufiqhermawan3647 9 лет назад
nice tutorial!
@unamename1075
@unamename1075 9 лет назад
Very good video i love your ideas
@HomoFaciens
@HomoFaciens 9 лет назад
***** Thanks! More ideas with an Arduino Uno will be turned into a video until the end of this week (hopefully).
@unamename1075
@unamename1075 9 лет назад
+HomoFaciens hi.can you make a video IR arduino projects
@HomoFaciens
@HomoFaciens 9 лет назад
***** There will be a video about communication between Computers / Microcontrollers sometime including a section about IR, but it won't be a straightforward HowTo for the Arduino. I guess there are already some great tutorials on RU-vid or on the web, aren't they?
@Techn0man1ac
@Techn0man1ac 9 лет назад
Спасибо большое.
@HomoFaciens
@HomoFaciens 9 лет назад
Mr ПоделкинЦ You're welcome!
@sandrosachser
@sandrosachser 9 лет назад
Thank you by video. Good ideas for us.
@HomoFaciens
@HomoFaciens 9 лет назад
Sandro Sachser You're welcome! Any ideas for me?
@ibrahimmorketa2093
@ibrahimmorketa2093 5 лет назад
it is really helpful video . i need more help from you. thank you
@joygeorgek
@joygeorgek 6 лет назад
Thanks for the video. How are you showing the waveform in laptop? Are there any easy mechanism to connect the multimeter to to it?
@HomoFaciens
@HomoFaciens 6 лет назад
Its done with my USB oscilloscope: homofaciens.de/technics-metrology-oscilloscope_en.htm
@andyspoo2
@andyspoo2 9 лет назад
How are you attaching the pot to the arm that makes it strong enough, centred, and not spin. It's hard to tell from the wiper motor video image. Thanks for the videos. Very professional looking.
@HomoFaciens
@HomoFaciens 9 лет назад
andy parry My solution is far from being perfect. Since it is not exactly centered, the pot is attached with a pice of (flexible) wire. My skills in video editing are higher than my mechanical capabillyties ;) I have added a picture at my project page: www.homofaciens.de/technics-computer-arduino-uno_en_navion.htm#PotentiometerMount
@martinl1267
@martinl1267 7 лет назад
I can't find the video he refers to at 9:57. (How to build the servo) Can someone help me?
@ComoFazerNada
@ComoFazerNada 7 лет назад
You are awesome!
@vivavila88
@vivavila88 8 лет назад
Love it!!!
@TechBuild
@TechBuild 7 лет назад
Are there reasons to use brushless DC motors instead of brushed DC motors? Overall which one is better?
@HomoFaciens
@HomoFaciens 7 лет назад
Brushed DC motors are more easy to control (you just have to connect them directly to a DC power supply). Brushless motors need an electronic control circuit to make them work. The advantage is that there is no wear on brushes in a brushless motor.
@VladVladimirov
@VladVladimirov 9 лет назад
ARNY? ITS YOU?? YOU CAME TO TEACH US BACK TO FUTURE?
@HomoFaciens
@HomoFaciens 9 лет назад
VladVladimirov I came to teach you how to create the future!
@VladVladimirov
@VladVladimirov 9 лет назад
HomoFaciens Thanks for high video quality
@HeathLedgersChemist
@HeathLedgersChemist 9 лет назад
VladVladimirov He'll be back!
@HomoFaciens
@HomoFaciens 9 лет назад
HeathLedgersChemist I HAVE been back multiple times since that video about the Arduino. For example I told you how to do physical computing: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-9Qumu2h8FjY.html and my latest video is about a CNC machine composed of cheap materials made with simple tools: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-mJ-TZvFpY58.html The evolution of machines goes on...
@belenlumapas7298
@belenlumapas7298 9 лет назад
very nice
@juancarloscastillo8910
@juancarloscastillo8910 6 лет назад
Oh you are greats Master...!!!
@mohammadbaber5770
@mohammadbaber5770 10 лет назад
I was long waiting for your Video on servos controlled by Microcontroller. To my surprise you used my favorite microcontroller Arduino Uno. Would be great if you can explain about Software program/codes as well.
@HomoFaciens
@HomoFaciens 10 лет назад
The source code is available at the project page: www.homofaciens.de/technics-computer-arduino-uno_en_navion.htm Reading that code should be easy since the Arduino libraries do most of the job.
@mohammadbaber5770
@mohammadbaber5770 10 лет назад
HomoFaciens Thank you very much for the codes. I was wondering if you could inform/send me the libraries link (for and ). I tried to find avr/io.h on google! but what I find is a code text. Sorry I am very beginner even to arduino and don't know how to use that.
@HomoFaciens
@HomoFaciens 10 лет назад
Mohammad Baber Simply delete the two lines including the libraries and . They are relicts from my first first code lines around the wiper servo (before programing the Arduino I used AVR microcontrollers and I did the coding in assembler ).
@mohammadbaber5770
@mohammadbaber5770 10 лет назад
HomoFaciens Thanks. I already realized that without these libraries the code still works.
@johnsujith12
@johnsujith12 7 лет назад
Can I use a stepper motor or a regular DC motor with Arduino without using a motor driver/shield ? I found few from a printer/scanner
@HomoFaciens
@HomoFaciens 7 лет назад
You can't connect them directly. You must build an amplifying circuit or an H-Bridge to control motors, I made a video about "Pyhsical Computing" showing the basics: ru-vid.com?o=U&video_id=9Qumu2h8FjY More videos about creating and controlling DIY peripherals will follow.
@reimundolopez1198
@reimundolopez1198 4 года назад
I need that control software, but, without the soft start, how can i eliminate the soft star of the software?
@HomoFaciens
@HomoFaciens 4 года назад
As told in the video and written in the video description box, got to the project page: homofaciens.de/technics-computer-arduino-uno_en.htm
@user-eo9ym6ib4i
@user-eo9ym6ib4i 4 года назад
Hi and thanks for your videos! What is the usb-oscilloscope you are using here?
@HomoFaciens
@HomoFaciens 4 года назад
It is a DSO-2090 with OpenHantek under Linux as software.
@user-eo9ym6ib4i
@user-eo9ym6ib4i 4 года назад
What ist your opinion about DSO-2090?
@HomoFaciens
@HomoFaciens 4 года назад
I still like it. My chapter about oscilloscopes is: homofaciens.de/technics-metrology-oscilloscope_en.htm
@AnwarAlfaqeehAlhusseini
@AnwarAlfaqeehAlhusseini 6 лет назад
hi am looking for how to make dc motor as stepper motor step by step ? any tube for that ? thanks
@HomoFaciens
@HomoFaciens 6 лет назад
I have written chapters about rotary encoders with sample circuits and codes: homofaciens.de/technics-base-circuits-encoder-disc_en.htm
@PhG1961
@PhG1961 10 лет назад
Excellent video/tutorial ! I enjoyed it very much and even learned from it! I hope you'll post many more. Btw, where are you from ?
@HomoFaciens
@HomoFaciens 10 лет назад
Philip Gevaert Thanks! The video I am currently working on is about physical computing (amplifying digital signals and sinple sensoring). Stay tuned!I am tinkering in a small village located at the center of Germany.
@PhG1961
@PhG1961 10 лет назад
Nice to hear there's more on the way. I visited your site, so yes I already knew you are located in Germany. But I was wondering where in Germany? I'm from Belgium, near Antwerp.
@HomoFaciens
@HomoFaciens 10 лет назад
Philip Gevaert Near the mid point between Frankfurt and Cologne, about 330km away from Antwerp.
@MORAL1952
@MORAL1952 2 года назад
How did you remove the mirrored part of the CD? Do you know any chemical process? Thanks.
@HomoFaciens
@HomoFaciens 2 года назад
No chemistry, just a sharp knife: Cut along the edges and scratch off the infield.
@MORAL1952
@MORAL1952 2 года назад
@@HomoFaciens Thanks
@dazaspc
@dazaspc 8 лет назад
Congratulations on your excellent explanation of automated positional control. Do you work with CNC machines professionally?
@HomoFaciens
@HomoFaciens 8 лет назад
+dazaspc Thanks! The only CNC machines I have been working with are those I have build by myself.
@triloksingh1479
@triloksingh1479 9 лет назад
Great video. you did a amazing job, keep it up. I was wondering how many times you must have changed the code and how many times you must have changed hardware. I have a question. How to get the waveform in you mac book? as you did at 14.50 min.
@HomoFaciens
@HomoFaciens 9 лет назад
Trilok singh Thanks! That waveform was recorded using a USB oscilloscope type Hantek DSO2090. Here is my video about that device: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-haGg4iS-pFw.html Why using a mac book if Linux runs on cheaper and better hardware ;-)
@zaprodk
@zaprodk 9 лет назад
Cool video, very understandable principles. Which car in the video is it ?
@HomoFaciens
@HomoFaciens 9 лет назад
***** Thanks! It is a Citroen 2CV from 1985 I am currently overhauling. See www.entmontage.de for details.
@mehdikar9757
@mehdikar9757 7 лет назад
hi the presented video is very useful. have you any idea about analog type of servo motor or digital? witch one is better? i see analog type before in your video collection.and what about use of encoder? witch one is best? thanks
@HomoFaciens
@HomoFaciens 7 лет назад
Wich type of servo is best depends on your application. Analog servos are cheap, compact drives, digital servos are usually more expensive but have a higher accuracy and no jitter.
@mehdikar9757
@mehdikar9757 7 лет назад
so i want to make a CNC machine. and i think the use of servo motor is better than stepper. but as i see in your video you use of microcontrollet to count each step(forward and backward). what happen if your motor turn fast? can microcontoller count encoder steps?
@HomoFaciens
@HomoFaciens 7 лет назад
Of course you must ensure that the pulses don't come in too fast.
@chrisilike8627
@chrisilike8627 7 лет назад
Genial!
@resanohm6037
@resanohm6037 7 лет назад
can u share the code hat you used in 17:04 soft start and emergency stop
@HomoFaciens
@HomoFaciens 7 лет назад
The sources of my videos are available on my project page: homofaciens.de/technics-computer-arduino-uno_en.htm
@resanohm6037
@resanohm6037 7 лет назад
thank u alot
@marineyard4553
@marineyard4553 8 лет назад
you are genius. ..can I have the technical specifications and software of a wiber motor via potentiometer (the last revision with improved tourge and precise response ) ,I need to implement it ..thanks
@HomoFaciens
@HomoFaciens 8 лет назад
+marine yard Did you have a look at the project page? www.homofaciens.de/technics-computer-arduino-uno_en_navion.htm You can get the software in the download section.
@marineyard4553
@marineyard4553 8 лет назад
Thanks alot for taking the time to respond. ..I saw the page after i comment. ..my problem is my servo is 24 vdc with 1kohm feedback resistor attached to it in addition the set point resistor that already exists is 5kohm ..the system is to control a woodword governor that drive the speed of an engine ... I guess one to do it is to use the motor drive BTS7960s you suggested as its rated voltage is 45vdc ..still thinking of a way to accommodate the resistors ..
@HomoFaciens
@HomoFaciens 8 лет назад
+marine yard Sorry, but I don't understand what the trouble with the resistors is: You can use a 1kOhm as well as a 5kOhm potentiometer. Why do you talk about two different types?
@louisdifrancesco1474
@louisdifrancesco1474 8 лет назад
I seek information about how one would integrate a Heidenhain glass scale TTL output into the Arduino. I have seen videos on how the step count is replaced with real numbers that are incremented according to the direction that the Heidenhain is reporting. That is an easy concept. However, I have not figured out nor have I seen anyone show how the TTL output for a 3 axis CNC can be put into the 3 axis output to the stepping motors. I understand that I need more input and output pins of the larger Arduino Mega 2560 R3 (It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs). It seems daunting or perhaps I am just terrified by the problem. Can you show me one axis output (I have seen that) and one axis input (I have NOT seen this)? Do you have this information in one of your videos that I have obviously have not watched? We bought an OpenBuilds C-Beam, and it became obvious that higher accuracy would be realized with minor changes that I have seen on large & expensive CNC machining centers, such as the glass scales. I have found that a Heidenhain set for 3 axis and a DRO can be purchased for ~~$300 which would increase the $1,000 value of the CNC machine tremendously. Louis DiFrancesco louisdifran@gmail.com 505 515 4700 Boston, MASS
@HomoFaciens
@HomoFaciens 8 лет назад
+Louis DiFrancesco I don't have a Heidenhain linear sensor, nor a OpenBuilds C-Beam. Send me both and I might start coding, but don't expect to get it back ;-) A high quality sensor doesn't necessarily improve the accuracy of a CNC as it doesn't eliminate backlash nor deflections of the mechanics. It won't turn your cheap machine into a tremendous CNC.
@user-sh3xj1hn9f
@user-sh3xj1hn9f 7 лет назад
Hello. Can you help to write a sketch for Uno to control Nema17 (a4988) from ir remote. I need nema to do few step steps forward on 1 button, and same steps backward on another button. Please, i will really appreciate if you can
@HomoFaciens
@HomoFaciens 7 лет назад
Well, I am not the man that does your work for free. Learn to do coding with the Arduino - there are Gigabytes of documentation and Tutorials and if you know how to control motors you can start to rule the world.
@ledc131
@ledc131 4 года назад
Nice!
@aitplanet5106
@aitplanet5106 8 лет назад
tnx GOOD VIDEO
@kirtivijaydesai2864
@kirtivijaydesai2864 3 года назад
what are u making .
@VISHNU2192
@VISHNU2192 6 лет назад
Very informative and thank you for such wonderful explanation. It would be great if you could share how did you achieve potentiometer readings with zero fluctuation(07:23). I have tried the same couple times, but the values from potentiometer were never so stable even after implementing low pass filter on the software as well as hardware side.
@HomoFaciens
@HomoFaciens 6 лет назад
The potentiometer is a very large one with a wound resistance wire. The tiny carbon film potentiometers aren't that good. The input voltage should also be free from interferences. Batteries are a good voltage source. Finally I can't say for sure whether or not I had implemented a special software filter to get the stable output. I usually don't keep the source codes used for those short video sequences. I will talk about ADC input in a future video about "Physical Computing".
@VISHNU2192
@VISHNU2192 6 лет назад
Thanks for your instant reply. The experiments I conducted were based on 10 turn Wire wound resistor from Bournns(uk.farnell.com/bourns/3590s-2-103l/potentiometer-10k-5-linear-2w/dp/1612611) . Could you please share the model number of the potentiometer in the video?
@HomoFaciens
@HomoFaciens 6 лет назад
It was a potentiometer I salvaged from whatever old device. The label from the manufacturer is unfortunately no longer readable. ADCs usually show instability in the one or two least significant bits, so I guess I used some kind of software trick to get that stable display reading.
@VISHNU2192
@VISHNU2192 6 лет назад
If you ever recall the software trick you implemented, please share. Thankyou for your support. :)
@HomoFaciens
@HomoFaciens 6 лет назад
For example: only refresh the display if the change in ADC value exceeds a given threshold. That's what came to my mind first.
@spacehitchhiker4264
@spacehitchhiker4264 7 лет назад
were you polling the inputs, or using interrupts? i was under the impression that if you used interrupts it wouldn't skip pulses
@HomoFaciens
@HomoFaciens 7 лет назад
Yes, interrupts enable much faster processing. I will explain in more detail how things work in future videos. In my chapter about rotary encoders I am demonstrating how to control a printer paper feed with an Arduino, using interrupts: homofaciens.de/technics-base-circuits-encoder-disc_en.htm
@muky64
@muky64 7 лет назад
I need this code as you are sowing 06:12 controlling an H bridge, by rotating the encoder disk the other motor is rotating in the same direction and same speed.
@HomoFaciens
@HomoFaciens 7 лет назад
Have a look at my page(s): homofaciens.de/technics-computer-arduino-uno_en.htm
@Paradox3627505
@Paradox3627505 6 лет назад
Is it possible to design a PID control circuit similar to this using "state-space" methods programmed into the microcontroller?
@HomoFaciens
@HomoFaciens 6 лет назад
The real question is, if this makes any sense for your application. Is there a reason why you think state-space would be an improvement over conventional PID control?
@Paradox3627505
@Paradox3627505 6 лет назад
HomoFaciens We learned the theory behind state-space methods years ago in college. We ran a SS simulation in MatLab for a motor control system. The tracking error reduction was supurb. I'm interested in trying it myself just to see if i can achieve the same results. I think it would be a great learning experience. There is no particular high accuracy application. I just want to drive a permanent magnet DC Motor using state space methods only for "academic" purposes
@HomoFaciens
@HomoFaciens 6 лет назад
Definitely something worth trying. Share the results of your experiments. I will keep the solid state method in mind for future videos about control loops.
@shashikataria5620
@shashikataria5620 9 лет назад
please guys tell how to rotate modified servo motor in clockwise and anticlockwise i mean that i want to rotate the a continuous servo in both direction forward and backward
@HomoFaciens
@HomoFaciens 9 лет назад
Shashi Kataria Use an Arduino to generate the pulse-width signal. There are examples shipping with the Arduino IDE (Look in the main menue: File->Examples->Servo). Read the documentation about myservo.attach(pin_number) and myservo.write(servo_pos).
@shashikataria5620
@shashikataria5620 9 лет назад
+HomoFaciens Can u please tell me code to rotate it clockwise and anticlockwise with ardunio uno I have modified its gear to make it continues rotation servo help me
@HomoFaciens
@HomoFaciens 9 лет назад
Shashi Kataria Have a look at the Arduino playground. You will find something like this: playground.arduino.cc/Learning/SingleServoExample
@InventionTherapy
@InventionTherapy 7 лет назад
Was Arduino the best choice for this project?
@HomoFaciens
@HomoFaciens 7 лет назад
For me, yes.
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