Why Arduino Cannot Find Avr/io.h, Which Is Under Hardware/tools
avrdude: stk500_recv(): developer is not responding
avrdude: stk500_getsync() attempt one of 10: not in sync: resp=0x00
Is this some kind of joke? Who is AVR Dude, and what does he accept against me trying to upload a sketch to my Arduino? If yous're getting this mistake when trying to upload lawmaking to your Arduino lath – it can exist REALLY frustrating!
I wish I could say this happens because of ane single problem – but this fault pops up for many reasons… In this lesson we are going to become through a "laundry listing" of possible solutions. We'll start at the about common and easiest, and movement on to more detailed troubleshooting tasks if those don't work.
By the end of this lesson, AVR Dude should be hitting the road, and your code will be loading on your Arduino board.
Subscribe to our YouTube channel to get more videos like this. Are you learning Arduino programming? Check out our membership programme to larn the software and hardware skills you'll need to build your ain projects. Then who is this avrdude anyway? Well, avrdude is a utility that stands for AVR Download Uploader and when y'all get this error, information technology's caused by a generic connection error betwixt your computer and the Arduino and information technology tin can upshot from many dissimilar things. When you see this error, it might feel like yous've got some programming ghost living within your Arduino IDE. But really, it's just basically telling you hey, something is not correct when I'm trying to upload code to your Arduino board. So let's jump in to our listing of like shooting fish in a barrel things that might be able to prepare this error. All right, the first one, merely disconnect and reconnect the USB cable that you're using so try uploading again. If that doesn't work, try pressing the reset button on your Arduino board. And so try the upload over again. Okay, if this still isn't working, try to restarting your Arduino IDE and then meet if you can upload. All right, are you still getting the error? No worries, make sure that you have the right board selected. So y'all wanna go to Tools, Lath and make sure that the lath there's the bodily ane that you're trying to upload your code to. Okay, and then you know you have the right lath selected but you're still getting the error. Okay, so you've checked the USB cable, you tried resetting the board, you've restarted the Arduino IDE, you made sure that y'all had the correct board selected but you're still getting the avrdude fault. At present information technology'south time to make sure that you've got the right port selected. And so to observe the port, you get to Tools, Serial Port and yous select the port. Now, if y'all don't know which one is the correct port, here'due south a quick way to figure that out. And then look at that port list. And so disconnect the USB cablevision, get to Tools, Serial Port, and and so see which ports are listed. Information technology could exist com4, com5, something along that line if you're on a PC or USB something if yous're on a Mac. Then reconnect the USB cable. At present go dorsum to Tools, Serial Port and come across which port has appeared that wasn't there before. And then that's gonna exist the port that your Arduino's using. Select that port and try uploading again. Now, if you lot're still getting the avrdude mistake, hither's the last like shooting fish in a barrel affair y'all tin can attempt. Brand certain that digital pins nil and one do not have whatever parts continued, including whatsoever shields. These are the transmit and receive pins on almost Arduino boards and if you lot accept something connected at that place, it can interfere with uploading code to your Arduino board. Now, if you accept tried all of these steps and avrdude is all the same giving you lot trouble, it's fourth dimension for us to start doing some troubleshooting. What we're gonna try to practice is isolate the upshot by replacing things. The trouble could be with the reckoner you lot're using, the problem could be with the Arduino board you're using. Or the problem might exist with the USB cable that you're using. Let's start with the USB cable. Just switch it out with another i. Now, you might exist similar really? The USB cable? How probable is that? Well, you might be surprised how often these things fail. And by trying a different i, you know that y'all'll have ruled that out. Then let's say information technology'south non the USB cable. Now what yous'll wanna do is check if the issue is with the estimator. If you have some other Arduino lath handy, try uploading a sketch to that other Arduino lath. If you're able to upload a sketch, that tells you that the first Arduino lath you tried may have the upshot. Or if yous accept another computer handy with your Arduino IDE installed on it, try taking the Arduino lath that wouldn't upload the sketch and effort uploading a sketch using that other computer. If y'all're able to upload a sketch, that might tell you the computer's giving you the problem. So if you determine that the issue is with the computer, start try reinstalling the Arduino IDE. Make sure to run through all those checks that we had at the offset, all those easy steps. If you lot're nevertheless getting the avrdude error, and then try reinstalling the drivers. Now, if the event was with the specific Arduino board, it gets a little more hard. If y'all have an Arduino board where the microcontroller tin come out of the board, similar an Arduino Uno, for example, make sure that that microcontroller is seated correctly. If that doesn't gear up the error, you lot may demand to burn the bootloader back onto the microcontroller. At present, that'southward beyond the scope of this lesson only I'll make sure to have a link in the clarification for you to learn how to do that. But if those aren't working, it could be that your Arduino board has been bricked. That is it's just not gonna work anymore, which is unfortunate but I definitely recommend trying all the troubleshooting steps a couple more times earlier y'all give up. Well, I promise i of these helped solve your problem and avrdude has left you solitary. Nosotros'll but run through those easy tips once again 1 more time. You wanna try disconnecting and reconnecting your USB cable. Y'all can attempt pressing the reset button. You can try restarting the Arduino IDE. Y'all wanna double cheque that you've got the right lath selected in the Arduino IDE. You lot wanna make sure that you accept the correct port selected. And yous wanna make sure digital pins zero or one, the receive and transmit pins, don't have anything connected to them, including whatever shields. Well, hey, I hope you take a fantastic mean solar day. Thank you a ton for watching and I look forward to seeing you next time. Adieu. (lively music)
Then who is this AVR dude and what is avrdude: stk500_recv() error?
AVRDude is a utility used past the Arduino IDE. It stands for AVR Downloader Uploader and it allows you lot to load your lawmaking onto your Arduino board. The avrdude: stk500_recv() error is caused past a generic connection error between your figurer and the Arduino, and can result from many different issues.
Many thank you to "The Guy with The Hat" from the Arduino Stack Exchange for compiling a nifty list of fixes that we'll walk through in item here. And so permit's start with our laundry list…
Potential Fixes
- Try disconnecting and reconnecting the USB cable. Yes – that uncomplicated!
- Your Arduino board should have a reset button on it. Press the reset push and see if y'all tin can upload without the avrdude: stk500_recv() error.
- Shut the Arduino IDE, and reopen information technology over again – believe it or non, this tin can work!
- Make certain y'all have the right Arduino board selected. In the Arduino IDE, become to Tools -> Board, and from the lists select the Arduino board you are using.
- Cheque to make certain you have the correct port selected. In the Arduino IDE, become to Tools -> Port and select the port corresponding to your board. (On a PC it will outset with COM, on a MAC it should start with cu.usb)
- If you're non certain which is the right port, merely take notation of all the ports listed, disconnect your Arduino board from the USB cable, and and so check the port menu over again. Whichever port is missing, is the port your board was Arduino was using.
- The Receive (RX) and Transmit (TX) pins on the Arduino (pins 0 and 1) are used when uploading sketches on your Arduino board. If you have any connections to those pins, pull them out before you lot upload to the board.
- If y'all accept an Arduino shield attached to your Arduino board, remove the shield and endeavor uploading over again. This is related to the concluding stride, every bit the shield may have a circuit interfering with the transmit and receive pins.
Still getting avrdude: stk500_recv() error?
Time to get-go troubleshooting! If none of the like shooting fish in a barrel stuff works fret! We still have some options to endeavor! What we'll do is endeavor to figure out the betoken of failure.
Information technology could exist the Arduino Board, the figurer, or the USB cable.
Test the USB Cable
Try using a different USB cable and see if you can upload without the avrdude: stk500_recv() error. I know this seems similar an unlikely failure betoken, just you might be surprised how ofttimes USB cables fail.
Examination another Arduino Lath
If you have some other Arduino board handy, endeavour uploading a sketch to it. If y'all get the avrdude: stk500_recv() error once again, then chances are the consequence is with the computer (see Issue with Computer below).
If you lot are able to upload a sketch to this other Arduino board fine, then it may exist the first Arduino board that is giving yous the issue (encounter Event with Arduino below).
Test a unlike Estimator
If you lot accept another computer with the Arduino IDE loaded on it, try using that computer to upload a sketch to the Arduino lath. Make certain you are trying all the troubleshooting steps above showtime if you go the avrdude: stk500_recv() mistake!
If you lot are able to upload to the Arduino, then the issue is likely with the other figurer. (see Result with Reckoner beneath).
If you lot get the error on this other computer, then the event is likely with the Arduino board (see Issue with Arduino below).
Issue with Reckoner
Reinstall the Arduino IDE
If you find that the result is with your computer, try reinstalling the Arduino IDE. Information technology'southward really non that difficult. Simply go to the Arduino website, download the most recent version of the IDE and install it once more. This doesn't bear on your old sketches, which are stored in your sketchbook folder.
Reinstall Drivers
If you are all the same getting the avrdude: stk500_recv() mistake, yous tin check that you take all the drivers installed correctly. These should be installed automatically when y'all install the Arduino IDE, but yous can always effort installing them manually. Too, if yous have an Arduino clone, sometimes those require special drivers (check the visitor that makes the boards for where yous might find them).
Result with Arduino:
This is where things get a little dicey. It may be that your Arduino board is bricked (which is electronics speak for broken in a manner that does not allow fixing).
Check microcontroller seated properly
If you lot have an Arduino board that has a removable microcontroller chip, like the Arduino UNO, y'all can cheque to see if it is seated properly on the excursion board.
Possibly information technology's the Bootloader
It may be that the bootloader (a program on the microcontroller that allows your sketches to run) is having an outcome. You lot could burn a new bootloader on the microcontroller.
Have a spare microcontroller?
If the failed board in question is an Arduino with a removable microcontroller, you could e'er bandy out some other microcontroller if y'all have one handy. Yous'd have to load the microcontroller with the bootloader (meet previous step).
The Battle Continues
Well – I hope subsequently trying some of these steps you have finally vanquished the avrdude: stk500_recv() mistake.
If non, permit u.s.a. know in the comments, or if you find a fix non listed here please allow us know likewise!
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