What is an Arduino Shield?
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This Arduino video tutorial discusses what an Arduino Shield is, how to connect an Arduino Shield to an Arduino and several things to consider when buying an Arduino Shield.
Specifically, it describes:
Does it have good documentation?
Documentation is the fancy way of saying - “will they show me how to use this thing?” Basically, is there some type of tutorial or user manual or forum that talks about how to use the shield.
This is one of the biggest factors for me when it comes to buying an Arduino shield. For all the ease of use that a shield provides, if I don't know how to use it, it's about as a good as a rock.
Lucky for us, people who use Arduino tend to be awesome and do a great job writing about how to use stuff, so even if the manufacturer doesn't have good instructions, if people actually use the shield, then you will find a wealth of information online. But if you do a web search and it doesn't turn up much of anything useful, you might consider looking for another option.
Two US companies that provide superb documentation of the shields they make and sell are Adafruit Industries and Sparkfun.
Soldering may be required
Many shields are sold as kits, that means they are not fully assembled - and will require you to do some soldering. If you are buying from a reputable source, you should know this ahead of time, but it is worth double checking.
Sometimes manufacturers will offer the shield as a kit or fully assembled - I often go for the fully assembled option just to save time. If you have not soldered before, shields are usually a cinch to solder, so don't be intimidated - go get a cheap soldering iron and some solder and go for it!
Probably the most important thing when soldering a shield is making sure that the pins on the bottom of the shield are straight up and down, if they aren't they won't line up to the Arduino headers and be a major pain to connect.
Stackable or Not Stackable Arduino Shields
If you plan on stacking an Arduino shield with other shields, you will want to make sure it is stackable. If it doesn't have pin headers on the top of the shield, or they don't look aligned correctly (usually too narrowly spaced), than it is likely another shield cannot be stacked on top of it.
You might also run into a problem if components on the shield stick up too high to allow shields above from getting a snug fit. Manufactures of shields are getting more savvy to this issue, but you should always check.
Not all Arduino shields have the same pinout
Some older Arduino shields may not have all the pins to fill the header rows of an Arduino. This is because older versions of Arduino didn't have as many pin header slots. This usually isn't too much trouble, unless you needed to use those pins that are not connected on the shield.
If you have an older version of Arduino, then a shield you buy might have more pins than your Arduino has headers for - usually they are still physically compatible - this should not be anything to sweat about.
Matching Hardware and Software Versions
On a final note, if you are having trouble with a shield working, it worth checking to see if you are using the most current library version for your version of shield.
0:00 Introduction
0:01 OSHGroup Episode #01 "What is an Arduino Shield?"
2:47 Does is have good documentation?
3:45 Sold as a kit or sold assembled?
4:50 Is the shield stackable?
5:42 What pins does the Shield use?
7:41 How many pins does the Shield have?
8:21 Know what hardware version of shield you are buying.
![Arduino Buying Guide [PLUS must-have accessories!]](http://i.ytimg.com/vi/9WzaoGn8DbM/mqdefault.jpg)
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That sandwich part is such a cliffhanger...
Well explained. I had already assumed what a shield was based on all the things I had heard and read.
Yet none of the sources I found ever came out and explained it. Thanks. Sub and will check out the lessons.
This channel is so educative..
Keep make it about arduino project,,
Soon subscriber will grow..
Thank you
good clear explanation.
Thanks!
Nice Explanation.
Still helpful 8 years on, thanks.
Glad it helped!
It was helpful. Thank you.
Thanks so much for watching!
Very helpful - thanks!
Thanks for watching!
Nice,thanks for sharing the video :)
Thanks for watching!
I'm really intrested in the sandwich story but I cannot find it? is there a other keyword I miss?
Nice. Small note: entomology is the study of insects, but etymology is the study of words. :-)
But the real question I have: a lot of shields I see have just holes, and those holes are not connected. So how does one connect them? Two pins in one hole? Surely not?
Great question! Frequently you solder on what are called “header pins” into those holes. The holes are connected to the shield components via copper “traces” on the circuit board. Depending on the type of header, these can fit in breadboards or accept a jumper wire to connect to.
I hope this helps some!
@@programmingelectronics some! But what about all the holes that are connected to nothing? No taxes? Just holes by themselves. If I Sold out, say, a pin of a resistor into such a hole, fine. But then it’s not connected to anything else… Am I supposed to then also stick a wire into the same hole? Surely that’s not good practice, but I don’t understand how else to use them.
@@MichaelWillems I mean the use of that pin will be given on the datasheet of the shields, if not its just there to provide emotional support 😍😍
Great video, but I am wondering if its at all possible to solder on your own pin headers to a shield if your shield ended up not having some on top?
Thanks, very informative! BTW what's the song for the intro/outro?
Superb explanation and thanks.. :-)
Thanks for watching!
What do you do the circuit diagrams with? Those look really neat
Very helpful
Glad it could help!
When sandwiched do you loose access to some of the connectors on a shield ??
What about re-mapping pins? I have a USB shield that works on the UNO but not on the Mega because the SPI pins are in a different location. The documentation says they are compatible, so there should be a way to re-map the pins, but I'm not sure how.
Thank you.🙌🙏
You are so welcome Joshua! Thanks for the note!
Bruh u can't tell me about the story of an italian sandwich maker of the 11th century and then just dismiss it like u didn't spiked my curiosity.
Is there a shield to make arduino can produce more volt
Do I absolutely need to use shields, for projects that involve the use of sound, wifi, bluetooth, motors ..etc ? or is it just easier with those shields ?
Just easier (and quicker generally), but not necessary in most all cases.
Sounded like some powered up a UV-5R radio at 3:03... sounded like it to me..
Do shields have their own CPU?
What is the difference between an arduino sheild and a bluetooth dongle ???
Execpt that in its pins ( physical differences)
Everything except if the dongle is an arduino shield
I wish they wouldn’t use the word shield for a circuit board. I need to find an emf shield for devices. Shield.... protect (someone or something) from a danger, risk, or unpleasant experience or a piece of metal or other material, carried to protect the front of the body when being attacked, or a person or thing that provides protection: The police held up their riot shields. The ozone layer is the earth's shield against radiation from the sun.
Now back to searching for a RF or EMF shield for my mpu6050 gyro.
Can we make a tower with an arduino uno and 100 shields?
maybe
you would run out of pins if you did that
does anybody know the reason why the arduino does not work when I put on it my sensor shield?
Put the Shield ON the Arduino. Not the Arduino on it@_@
My problem is I want to know how and why not just that I can once i know how and why then i feel i can cheat
*2018?*
Sodering ! hehe I'm sure there's an L in there... lol
I don't think that the shield is necessary.
Dude! You are really smart but I have to call you on this one. You said etymology (scientific study of insects,) when I believe you wanted to say etymology (study of history of words.) Trying to be helpful
Thanks Duane!
It's not entomology, which is about insects, it's etymology, which is about the root meanings of words. Sometimes trying to sound smart really just makes you sound, well, nevermind. I really like your tutorials so I'll just shut up.
William Jenkins If it's any constellation, I spelled it correctly...
I'm truly constoled? Constelled? Best anecdote to malapropism is a sense of humor.
Doht! Will I ever get this write?