Arduino Error Messages

Compilation error: expected declaration before ‘}’ token Why the heck does the Arduino IDE expect a declaration before ‘}’ token?!  Are you scratching your head wondering what the heck this error even means? Fret not – this is a super…

Compilation error: expected ‘;’ before … Does this error message have you scratching your head?  What’s the deal with the semi-colon? What about the squiggly lines in the error message, what does that mean? Well, you’re not alone, because this…

dfu-util: No DFU capable USB device availableFailed uploading: uploading error: exit status Are you getting these “No DFU” and “exit status 74” error when trying to upload to your Arduino Nano ESP32? Don’t fret!  You didn’t do anything wrong, and…

Did you just plug in your new Arduino board and get this error message: Failed uploading: no upload port provided? or maybe… No device found on <blah-blah-port>Failed uploading: uploading error: exit status 1 or dfu-util: No DFU capable USB device…

Are you getting the error: ‘YourVariable’ was not declared in this scope? What is variable scope anyway? Isn’t Scope a brand of mouthwash?  I mean, what gives? In this lesson, we are going to talk SUPER BASICALLY about variable scope.…

Error downloading http://arduino.esp8266.com/stable/package_esp8266com_index.json Is this the error you’re getting while trying to set up your Arduino IDE to use an esp8266? This can be pretty frustrating, because, after all – you just want to get started programming! In this lesson…

Ever stumbled across this error message when trying to upload a sketch? avrdude: stk500_recv(): programmer is not respondingavrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x00 Is this some kind of joke? Who is this mysterious AVR Dude, why…

It’s 11 PM on a Wednesday. You’ve just spent three hours toiling on your next Arduino project, and FINALLY, you’re ready to give your sketch a whirl. You hit upload, palms sweaty with anticipation to see all your hard work…