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Introduction to Arduino: UNO R4 Minima 

ExplainingComputers
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Arduino microcontroller tutorial, featuring a review of the new UNO R4 Minima board. Video also covers setting up the Arduino IDE, and writing and uploading sketches (which is what Arduino call programs).
There is fantastic documentation for the Arduino UNO R4 Mimina on the Arduino website here: docs.arduino.cc/hardware/uno-... The board can also be purchased via the “Store” on this site, which seems to offer the best prices. But the Arduino UNO R4 Minima is also available on Amazon at these links:
Amazon US: amzn.to/3qcZpkA
Amazon UK: amzn.to/475bIQL
Please note that the above are affiliate links, and that as an Amazon Associate I earn a commission from any qualifying purchases you may make.
Finally, note that I bought my own board from The Pi Hut - and this link is NOT affiliate: thepihut.com/products/arduino...
If you are interested in microcontrollers, you may also like my video "Raspberry Pi Pico: Inputs & Servo Control": • Raspberry Pi Pico: Inp...
For additional ExplainingComputers videos and other content, you can become a channel member here:
/ @explainingcomputers
More videos on computing and related topics can be found at:
/ @explainingcomputers
You may also like my ExplainingTheFuture channel at: / @explainingthefuture
Chapters:
00:00 Introduction
00:45 Unboxing & Specification
05:35 IDE & Board Core
09:13 Sketches (programs)
12:06 C++ Code
16:57 Maker Opportunities
#Arduino #UnoR4 #microcontroller #explainingcomputers

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26 июн 2024

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Комментарии : 368   
@bigmacsauceboss
@bigmacsauceboss 3 месяца назад
The laser focused, soothing, 80s-90s educational TV style is just perfect.
@RoboNuggie
@RoboNuggie 10 месяцев назад
So many acronyms...this video positively oozes Nerdisms enough to satisfy even the most demanding SBC fans 🙂 Thank you Chris, this is like a breath of fresh air - a blast of things long past from a time when people weren't afraid to learn, and technology was exciting and new. You recreate that feeling with all your videos, and for that, I am more than happy to support all you do.
@walter3950
@walter3950 10 месяцев назад
Absolutely. Anyway, I blundered into your channel about a month ago, and I'm hoping to spend a bit more time there (if I ever get caught up with the quotidian minutiae of life, or extract my head---uh, enough). Ubuntu isn't *terrible*, but it could be time for something new... Also, hoping things are going better for you and yours, with regard to domicile. Thanks to you, and to Chris, of course.
@millzee60
@millzee60 10 месяцев назад
I used one as a solar charge controller and logger. It monitors battery voltage and charge current and via PWM regulates the charge current from a PV solar array. It also keeps a running total of produced amperes, watts and various highs and lows. It spits out the data over USB to a Raspberry Pi which is running Apache to display this data and provide other functionality.
@liamstone3437
@liamstone3437 10 месяцев назад
I would love some links to that project if you have them.
@millzee60
@millzee60 10 месяцев назад
@@liamstone3437 There are no links as it's not on the web. I wrote all the Arduino and Apache code myself. My brother did all the associated hardware.
@liamstone3437
@liamstone3437 10 месяцев назад
@@millzee60 I am still interested if you want to share details.
@millzee60
@millzee60 10 месяцев назад
@@liamstone3437 sorry but I don't want to put the details into the public domain. I posted here to demonstrate that these small SBCs can be used to very real effect.
@kg4wrq
@kg4wrq 10 месяцев назад
That is very cool!
@PeteC62
@PeteC62 10 месяцев назад
Saturday mornings, Techmoan, Sunday mornings, ExplainingComputers. What a time to be alive!
@Praxibetel-Ix
@Praxibetel-Ix 10 месяцев назад
I love Techmoan! I would've not decided to get a certain Sony boombox if it weren't for Mat's review of it. :)
@gabriel38g
@gabriel38g 10 месяцев назад
Glad to see that Arduino hasn't removed the barrel-jack power connector that allows people to dig through boxes of old Wall-socket adapters and possibly re-use them if they're somewhere between 5-24volts. 😀
@johnm2012
@johnm2012 10 месяцев назад
Yes, that is a handy feature, for sure.
@Badg0r
@Badg0r 10 месяцев назад
I want to give you a compliment about your channel. It has a true 90's vibe and you always explain everything really good. Keep up the good work.
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
Thanks for your kind feedback.
@marksterling8286
@marksterling8286 10 месяцев назад
Great to watch and lovely to see Stanley making a guest appearance
@jackburton8352
@jackburton8352 10 месяцев назад
Stanley not feeling very sharp today.
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
He loves getting in on the action.
@andyking8797
@andyking8797 10 месяцев назад
I was completely baffled by this because it was way above my head however, I still enjoyed watching this video along with many of your previous videos.
@bcollinsks1
@bcollinsks1 10 месяцев назад
Thanks, Chris, for the excellent video! While I just use my mad-scientist lab for fun and play, I really enjoy the Arduino and PI videos, they give me ideas to play with. Technology has really come a long way. It used to be unthinkable to try to build with discrete components the things we can now build in an afternoon for fun and learning. I appreciate the time you spend researching these new offerings so I can just learn and play. Keep up the good work!
@PatrickConstant
@PatrickConstant 10 месяцев назад
A beautiful blinking garland for next chrismas season 🤣. Thanks a lot Christopher. Hurry up for next videos on Arduino.
@user-lj4qt4od1i
@user-lj4qt4od1i 9 месяцев назад
Superb introduction to the new Arduino Minima R4 board, the IDE, and even some C++ basics! Highly recommended to anyone new to Arduino or SBC's in general.
@dougs_trains
@dougs_trains 5 месяцев назад
I see you getting really excited over this. Imagine this device being around 30 or430 years ago when we were mucking about doing this the hard way. I've just bought an Uno R4 Wifi, and have managed to get it running as a webserver and relay controller that I can control with a web browser on a phone etc. fun times. The motivation in getting it was to build a model railway turntable, using a stepper motor and indexed positions etc. which I'm sure to get onto once I've done playing around.
@brianwood5220
@brianwood5220 10 месяцев назад
I recently discovered Arduino's myself and I'm currently taking a course on Udemy to learn how it all works. I'm really enjoying it actually. I used to programme but using the sketch method is a little different and taking some getting used to. Thanks for sharing Chris.
@isotomek
@isotomek 10 месяцев назад
I started in 2019, and still haven't lost interest. Keep going, there are many surprises along the journey. That little thing has so much technology packed in, it's incredible!
@JulioSalim
@JulioSalim 10 месяцев назад
Very nice to see you on Arduino Land 😊Take care with the limiting resistors since as far as I know the GPIOs for the R4s can only handle 8mA maximum current. Best regards!
@johnm2012
@johnm2012 10 месяцев назад
Yes, 220 ohms is a bit low. I use 1k resistors and the LEDs are more than bright enough. In fact, some of the modern surface mount LEDs are extremely bright and 4k7 is an appropriate resistor to use.
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
Good points, and noted. I am used to Pis. I also always struggle to get LEDs bright enough to show in camera, so sometimes push things a little far. :)
@knerduno5942
@knerduno5942 10 месяцев назад
@@ExplainingComputers But how is Arduino supposed to compete with this over sized, under powered, and over priced device when Raspberry Pi is now involved with their very small footprint Pico for only $4 and with dual core 32 bit processors running at 200Mhz each?
@AndrewBorrill1
@AndrewBorrill1 10 месяцев назад
Good news, the addition of the RTC will make the Uno much more useable for real life projects. The original uno was really handicapped by this omission. It should have been provided in the first instance. Well done to get it there now.
@David94305
@David94305 18 дней назад
I am so glad I found your channel, what an amazing surprise
@BagusSumanjaya
@BagusSumanjaya 10 месяцев назад
every sunday evening always wait for the new video, thank you Mr. Barnatt
@kg4wrq
@kg4wrq 10 месяцев назад
This is a fun and interesting video. I loved where you explained the applications for the unit, starting with the ducks in a park. I am retired from an IT career, but remembered enough about C to fully understand your C++ code walkthrough. Thanks for the memories on that.
@byersbw
@byersbw 10 месяцев назад
Thank you for continuing to make and share these videos. I really enjoy them and always learn something. Have a wonderful day!
@rogerkoh1979
@rogerkoh1979 10 месяцев назад
Nice new board. Always excited to see these.
@RAZR_Channel
@RAZR_Channel 10 месяцев назад
yo… Just checking in on you bud… I just fully committed to Linux on my desktop and remember about 5 years ago your video made it possible. At that time there was software I was unwilling to part with in Windows but I've decided to just run dual boot with linux as primary. Keep pushing man you're almost to 1 million subs… You can do it… I was actually just checking to see if you had surpassed it yet because you are close…
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
Thanks for this. :)
@-CrippledNinja-
@-CrippledNinja- 10 месяцев назад
Yes, it is always sensible to show your LEDs to ducks.
@arxaaron
@arxaaron 10 месяцев назад
Nice to see you exploring micro land again! Real good walk through of the R4 and the Arduino programming environment.
@dang48
@dang48 10 месяцев назад
Thank you for the easy to understand format. I'm enjoying my weekly E.C. fix. Neat to see how the Arduino is improved and glad for the small tips that can save us aggravation.
@MichelMorinMontreal
@MichelMorinMontreal 10 месяцев назад
Now I understand better the enthusiasm of the Auduino user community; this platform seems to be particularly interesting and fun, both for beginners and for experienced programmers... The quality of the product is also very impressive. My personal interest over the last few years has focused on the Raspberry Pi, so thank you for this pertinent introduction! (By the way, the RPi seems to be arriving slowly but surely at distributors! Great news at last!)
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
Yes, Pi availability does seem to be improved these days. :)
@ahmad-murery
@ahmad-murery 10 месяцев назад
Very nice little device, Imagine how easy it is nowadays to control/automate home or small machinery. I can't wait till next Sunday, Thanks Chris!
@judsonleach5248
@judsonleach5248 10 месяцев назад
As you placed the box in front of the camera, Sir?! - I kept saying to myself... "Please need Stanley the knife! - Please need Stanley the knife" - YEA!!! - Oh, Stanley! - How we've MISSED YOU! - "Best Side Kick Ever!" - FACT! LOL (And, yes, Me and Buddy are VERY easily amused!) 🙂 Cheers! - Judson & Buddy !! - Have a GREAT Sunday, Everyone!!
@daveseddon5227
@daveseddon5227 10 месяцев назад
Thanks, Chris! I've sort of lost touch with Arduino so this has re-inspired me and I've just ordered the Arduino UNO R4 WiFi with the built-in LED matrix. Life is about to get exciting again! Great video, so thanks again! 🙂
@WarPhotographer1974
@WarPhotographer1974 10 месяцев назад
I used to love programming Arduino projects when I was in college. RGB LEDs are really fun to play with an Arduino.
@sesanjr
@sesanjr 10 месяцев назад
Good Sunday morning world!!!!
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
Greetings!
@jaffarbh
@jaffarbh 10 месяцев назад
Thanks for the video Chris. It's always exciting to learn new stuff.
@N0WYO1
@N0WYO1 10 месяцев назад
I've seen this used in the ham radio community as rotor controllers for large antennas. but the voltage has to be stepped up a bit for that. Great video, Chris.
@m8hackr60
@m8hackr60 10 месяцев назад
Great to see MCUs on the channel. It's amazing the amount of IO and utility these boards continue to drive. I'm looking forward to seeing if the ducks are really as intrigued as I am!
@andy.3407
@andy.3407 10 месяцев назад
Great video…. I love the detailed review of the hardware and the demo software to get started with the board.. wonderful content.. thank you!
@srtcsb
@srtcsb 10 месяцев назад
This ain't your uncle's Arduino. Nice updates to our favorite microcontroller card. Thanks for another great video Chris.👍
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
Greetings Steve.
@NomadicSage
@NomadicSage 10 месяцев назад
Thanks for making this video, hoping this will be a series.
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
Certainly series possibilities. We will see how things go.
@NomadicSage
@NomadicSage 10 месяцев назад
@@ExplainingComputers After exploring the wonderful world of SBCs it sounds like a exciting new journey.
@jls9225
@jls9225 10 месяцев назад
Have a good rest of your weekend Christopher, and As Always, Be Smart and Stay Safe/Hydrated.
@idowebwork
@idowebwork 10 месяцев назад
Rather interesting. Looking forward to more in this series for sure.
@MichaelFlood-ho8kd
@MichaelFlood-ho8kd 10 месяцев назад
Another super video with guest appearances from Stanley and Mr BluTac.
@NewAgeDIY
@NewAgeDIY 10 месяцев назад
Thanks, Chris good to see you at your workbench again. It's been a while since I sat down on mine. I love the new, improved board. I will know if they are in stock at my local vendor. Best to you on this sunny Sunday morning!
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
Thanks 👍
@gwgux
@gwgux 10 месяцев назад
That was a good video! As always, very well explained on what it does and how it works! I haven't done something like that in a very long time, but maybe I should get back into it again.
@rv6amark
@rv6amark 10 месяцев назад
Great learning video with good humor as well, Chris. As I have told you before, you make every Sunday morning like Christmas morning! I have used Arduino's for many Amateur Radio uses such as measuring antenna SWR, a power indicating dummy load, several digital meters for displaying voltage and current, and morse keyers of various types including my most current project that takes voice input (i.e. "dit" and "dah" words from a microphone) and converts it to actual dit's and dah's over the air eliminating the manual key normally used for input (I have tremors that are so bad I can no longer use a manual key). I have watched many of your videos where you use a pico-pi or similar device with python to do something relatively simple and think how I could implement that on an Arduino for about $8 with an Arduino Nano using less power. You could implement your weather station on the new arduino R4 wifi board and really impress those ducks!!! (Hint...hint...)
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
Nice hint!
@perrymcclusky4695
@perrymcclusky4695 10 месяцев назад
Those ducks sure looked excited over the Arduino. I wonder if they are cyber-ducks. They did look to have Web feet. Looking forward to your next video!
@johnrose8145
@johnrose8145 10 месяцев назад
Can't wait for the next instalment in which ducks write C++. Probably better than some of the code I've written! Thank you for yet another entertaining and informative video.
@rdhunkins
@rdhunkins 10 месяцев назад
I love the Arduino. I learned about them just after I finished my Master’s studies in Electrical and computer Engineering. Everything I had made before then for assignments was using lower level digital logic chips and microprocessors with assembly code at best. Difficult to make anything really useful. When I discovered the Arduino, I made a water dispenser that connects to a spigot and has a flow meter, solenoid valve and LCD screen. User input is via a set of three buttons. It can dispense a selected amount of water in quarts, gallons or liters. A very fun project. I need to come up with another project idea.
@AMDRADEONRUBY
@AMDRADEONRUBY 10 месяцев назад
I love Arduino crazy how much we can do with a Arduino ideas are infinite
@Kw1161
@Kw1161 10 месяцев назад
Thanks Chris for another great informative video. It was great to see Stanley the Knife back on the job I really need to take a C++ course before I can use this properly, but I am getting a SDR Radio with the ESP32 chip inside which can only be updated by SKETCHES so this board looks promising to learn SKETCHES . Have a great week!
@kg4wrq
@kg4wrq 10 месяцев назад
Regarding C++, I taught myself C back in 1990 when I was still a programmer on IBM mainframes. C++ is an OOP version of C. Nowadays, with the resources on the internet, you should have no problem. If you already know a programming language, it will be a cinch.
@pottytrained4233
@pottytrained4233 10 месяцев назад
Love you Chris, keep up the fantastic work :o)
@mrbrent62
@mrbrent62 10 месяцев назад
Excellent as always. I really don’t don’t know about these. I did buy a pi 4 about a month ago and installed Linux Mint on my 11 year old Lenovo. So excellent channel.
@Praxibetel-Ix
@Praxibetel-Ix 10 месяцев назад
Lenovo, huh? Is it a ThinkPad? 👀
@mrbrent62
@mrbrent62 10 месяцев назад
@@Praxibetel-Ix yes a X230 it’s 11 years old with a mechanical 2.5” drive. 8 gig of memory. Runs great with Mint. I had Ubuntu on it. I like Mint.
@Praxibetel-Ix
@Praxibetel-Ix 10 месяцев назад
@@mrbrent62 Oh, wow! I have a T400 that's now old enough to use social media but bought refurbished four years ago. 4 GB of RAM, forgot the exact amount of storage space but it was definitely was over 100 GB, ATI inside (shocker!), 14:10 display, and with Windows 10 installed. I don't really use it anymore, but it was a good laptop. It certainly ran The Sims better than the Acer laptop that preceded it! I have been contemplating getting another laptop on and off, though I'm torn between the same Acer model I had (even if it means getting one that's being sold for parts and refurbishing it myself) and another ThinkPad.
@edgarmatzinger9742
@edgarmatzinger9742 10 месяцев назад
Very exciting, indeed! Great video!
@mikefinn2101
@mikefinn2101 10 месяцев назад
Another super video sure enjoyed learning so much from my great teacher and mentor your a super hero I appreciate EC so much best computer channel. Thanks Peter
@arjunrao9978
@arjunrao9978 10 месяцев назад
Christopher Sir You select the Best Topics. Thank You! ❤🙏🏼🙏🏼
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
Thanks for watching. :)
@arjunrao9978
@arjunrao9978 10 месяцев назад
@@ExplainingComputers That's too nice of You to thank Us, it should be the other way around 😁 I've been following you since 5 years and love the way you cover everything of importance with your perfect pace and style. It's quite therapeutic too, considering how technology can mess up the mind. You bring a great sense of order and reassurance.
@rivertees
@rivertees 10 месяцев назад
Superb, I look forward to other Arduino video's. Thank you
@lorisrobots
@lorisrobots 10 месяцев назад
Thank you for sharing this video. Excellent content as always.
@ffieditor
@ffieditor 10 месяцев назад
it was fun to watch!
@amanguptalko
@amanguptalko 10 месяцев назад
I always comeback to this channel because of its retro early internet era styling
@sureshparmar8284
@sureshparmar8284 10 месяцев назад
Thks for a really inspirational video, I can remember using the Intel SDK-51 which I still have in the loft.
@fram1111
@fram1111 10 месяцев назад
Right, right, you got the bloody to right code. Awesome little board I'm not sure what I would do with it but the wheels are turning. Great Little computer.
@eldjmasterfreddy4366
@eldjmasterfreddy4366 8 месяцев назад
Great Presentation
@robyn6521
@robyn6521 10 месяцев назад
I recently got an Arduino Uno R3. I am planning to make a simple aquarium controller to ramp the lights on and off on a schedule and also to control a pump to automatically top off the water.
@Indrajit_Saren
@Indrajit_Saren 10 месяцев назад
This is awesome ❣️
@PS_Tube
@PS_Tube 10 месяцев назад
Greetings, Chris! This one's a great tutorial.
@freckhard
@freckhard 10 месяцев назад
17:04 My next project is showing if we have got mail in our mailbox, as it is mounted quite low under the neighbors ones and I don't want to get on all fours just to grab into thin air every morning lol. So an e-Ink display should just show a mailbox-icon next to our surname, when the lid has been flipped. Needless to say this won't guarantee that there is mail, but if the display does not show that the lid has been flipped, there is guaranteed no mail and I can save my self the morning crawling routine 🙂
@jimlynch9390
@jimlynch9390 10 месяцев назад
Thank you, Chris for the entertaining video. If I had seen this while writing my first FORTRAN program back in 1965, I'd have been more impressed, but I'm not the audience you were addressing here. 😁
@championslayers
@championslayers 9 месяцев назад
Interesting! I have been using arduino boards for years and didn’t even know about the new minima. Very cool. My favorite for simple projects is the attiny85 though. You can even run those on coin cells.
@John.0z
@John.0z 10 месяцев назад
I am endlessly amazed by the new generations of the Arduino, and other SBCs. This quite humble little board has wider processor busses, a much faster Central Processor Unit (although maybe a little less elaborate), more and faster RAM and more storage than early computers like the first DEC PDPs. It is miles faster than the first PCs, although the early IBM PC had more RAM. The biggest difference between those early computers and this Arduino is our expectations concerning their capabilities.
@jamiemcglynn6600
@jamiemcglynn6600 10 месяцев назад
Another great one, Chris! Whilst I don't own any actual Arduino-branded hardware, the Arduino IDE does make it possible to use third-party controllers like an Arduino, if they suit your case use scenarios better. I mainly use the ESP01S, not only because of its minuscule footprint, but also its WiFi capabilities. The "Arduino" by-name goes far beyond the own-brand hardware, it's a DIY ecosystem in its own right.
@donkeypoopdragon
@donkeypoopdragon 10 месяцев назад
Esp01s is a great board, and it still has more flash memory than this arduino board
@m8harry
@m8harry 10 месяцев назад
Thanks for the amazing content
@ParadoxTransistor
@ParadoxTransistor 10 месяцев назад
Great video!
@esra_erimez
@esra_erimez 10 месяцев назад
16:34 This project certainly fits the bill.
@killiangrieg
@killiangrieg 10 месяцев назад
I see what you did there. 🤣
@suminshizzles6951
@suminshizzles6951 10 месяцев назад
That MCU name is a mouthfull and i am not surprised you did not say it.
@johncundiff7075
@johncundiff7075 10 месяцев назад
Mr. Barnatt once again for the SBC win!
@dingolovethrob
@dingolovethrob 10 месяцев назад
excellent summary of the boards features, I'm really looking forward to the video where you teach ducks how to program arduinos 😀
@CXensation
@CXensation 10 месяцев назад
Anything control, that can't be done with a dual 555 is worth doing with an arduino. When the control circuit is matured, you can move it to a mini arduino, saving money and space.
@chromerims
@chromerims 10 месяцев назад
Jolly delightful video! 👍 Thank you EC. Kindest regards, friends and neighbours.
@gregholloway2656
@gregholloway2656 10 месяцев назад
Thanks for the video, Chris! I’ve been curious about the Arduino family for years. I’ve used the RPi Pico a number of times, and I’m scratching my head about what might make Arduino better (for certain applications). 👍
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
The Pico, at its price, does indeed provide stiff competition . . .
@CommDante
@CommDante 10 месяцев назад
I think loads of shields (easier for beginners to start with a project quickly), diverse power voltages and possibly power usage and 5V logic (more widely used) would be in favor of most Arduinos. Pretty sure Pico has 3.3V logic and 2nd core is always running (even when not used) and only accepts 5V as power. Also runs on much higher MHz, so likely uses more power.
@andymouse
@andymouse 10 месяцев назад
Haven't played with an Arduino for a long time but this looks different enough to be worth it, however I will never fall out of love with the Atmega328p-AU !....cheers.
@gavinpalmer9174
@gavinpalmer9174 10 месяцев назад
Looking forward to the video featuring the ducks!
@naderhumood1199
@naderhumood1199 10 месяцев назад
Thank you v much Sir. Thats a first class of work..
@christopherleadholm6677
@christopherleadholm6677 10 месяцев назад
Fellow, christopher. Back again. I got the full version r4 and the esp32nano just released too. On it's way. Also myoware2.0 muscle sensor kit
@Praxibetel-Ix
@Praxibetel-Ix 10 месяцев назад
Hooray for Arduino and for our favorite knife Stanley!
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
Greetings! :)
@Praxibetel-Ix
@Praxibetel-Ix 10 месяцев назад
@@ExplainingComputers Hello! I'll soon be reaching the 200 heart mark.
@stephensu4371
@stephensu4371 10 месяцев назад
nice work Chris
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
Thanks.
@mckengineer5727
@mckengineer5727 10 месяцев назад
Great vid 😃
@stevenshiller1600
@stevenshiller1600 10 месяцев назад
Explaningcomputers is Columbus R&D Project.
@Ollital
@Ollital 10 месяцев назад
I guess the ducks were impressed. 🙂
@allmac7504
@allmac7504 10 месяцев назад
Your quackers
@peterwiersma1997
@peterwiersma1997 10 месяцев назад
@ExplainingComputers Nice video, but I have to warn you and others about using 220 ohms for the current-limiting resistors. The new R4 UNO can only deliver 8mA per pin instead of 20mA like the older R3 UNO. So, I advise you to use at least a 470Ω current-limiting resistor. I would really like an advanced tutorial where you use the op-amp, CAN, and especially the debug SWD
@rdhunkins
@rdhunkins 10 месяцев назад
Yes, these are new to me, and I’m particularly interested in CAN. maybe build some kind of interface to a car for some purpose?
@northsouthy74
@northsouthy74 10 месяцев назад
Top stuff, thank you for sharing
@_chris_6786
@_chris_6786 10 месяцев назад
outstanding!
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
Thank you kindly!
@jyvben1520
@jyvben1520 10 месяцев назад
green led row, the start of eco cylon warriors, no more polluting the galaxy, by your command
@tophlaw4274
@tophlaw4274 10 месяцев назад
great tutorial as always Chris! however, I have a few notes: (... well one note & a nitpick ;) ...) 1. Do note that unlike its predecessor UNOs, the R4 has a maximum GPIO current load of 8mA! so you'll need a larger resistor to keep the board healthy (390Ω or better)~Edit: I just noticed Julio pointed this out already. 2. I'm a stickler for code formatting so my OCD clocked your poorly indentated for() loop body (the call to pinMode()). cheers & looking forward to your next enlightening adventure.
@KMMOS1
@KMMOS1 10 месяцев назад
I enjoyed this Arduino video on its release Sunday. I did notice two typos, one at 16:57 in the text, opportunites, and the hashtag #mirocontroller Notwithstanding, I found the video pleasant, informative and well worth its viewing time.
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
Microcontroller fixed in the video description. :)
@kenledgend
@kenledgend 10 месяцев назад
Great video. Would love to see a comparison video between your new Arduino R4 and a Pi Pico and see the pros vs cons of each around functionality, programability and power consumption.
@familyplans3788
@familyplans3788 10 месяцев назад
i am very much a fan of a d1 mini board as it has wifi and is cheap lol , i use mine for a water level indicator on my I.B.C's temperature gauges for my rooms , im just getting into ESP-NOW and any boards i manage to mess up i use them as honeypots with canary tokens great video as always
@MCallsen
@MCallsen 10 месяцев назад
Great explanation :)
@alanthornton3530
@alanthornton3530 10 месяцев назад
A happy Sunday to you, thanks for this interesting video. As to my use case it would have to be a model railway layout! The code would control servo driven points, set a route & signalling then run a loco at a set speed through the route e.g. collect rolling stock & return to a predefined point. There would be multiple scenarios to code & add to a sequence, an education in itself :) Plus one for a new black & gold 'Henry the knife'
@ExplainingComputers
@ExplainingComputers 10 месяцев назад
Greetings Alan. I see several votes here for model railways. :)
@andic6676
@andic6676 10 месяцев назад
Wow! Great video Chris" With this type of uC I'd make a large digital clock using Nixies or a massive display of LEDs if I could get the multiplexing to work. Oh, as before, you only need one current limiting resistor in your light chaser circuit...
@ethreal1
@ethreal1 10 месяцев назад
Love the videos and how informative they are. I have a video idea for you. Could you look into and do an overview of using windows Audit mode and Sysprep? If I understand correctly it’s used to install software, drivers, and perform windows modifications before being used by the general user base. It also allows for generalization of the OS image for cloning to multiple machines. Would be cool to have a deep dive.
@Dark_eVader
@Dark_eVader 10 месяцев назад
You had me at "ducks" LOL!
@Praxibetel-Ix
@Praxibetel-Ix 10 месяцев назад
Quack quack 🦆
@yugen042
@yugen042 10 месяцев назад
I really liked the Atmega328p
@legojenn
@legojenn 10 месяцев назад
Thanks for the review. I bought a Pico last summer and never used it for anything after installing a basic Python script on it. The Arduino looks nifty. I wish that I had a need to fill that would encourage me to purchase and learn how to use it. With any luck, a need will surface and I'll remember this video. I wonder if chickens would be as capivated as ducks by flashing LEDs. The birds in my back yard are incredibly curious ladies.
@CommDante
@CommDante 10 месяцев назад
Maybe try and get some inspiration from 'fun arduino projects' videos? Home automation is an easy one to recommend, diy weather station, plants watering system... or 'the most useless box'. 😉 I mostly got into microcontrollers for my model railroad and later started making buttonboxes for games etc. Still planning on making a cockpit sized one for DCS world, but seeing as I have multiple aircraft, I'm having more of a aesthetic/design problem. 😅
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