
[SOLVED] Variable "Not declared in this scope" after ... - Arduino Forum
Jul 20, 2017 · You declare variables in the scope of setup (), and you try to use them in the scope of loop (), so the compiler tells you that you haven't declared them to be used in the scope of loop () . . . …
arduino uno - How do I resolve "avrdude: stk500_recv (): programmer …
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x00 When I plug this in, I do see a power light. There are no cables whatsoever connected other than the USB. I have another Arduino UNO …
An error occurred while uploading the sketch. - Arduino Forum
Jul 28, 2016 · I have the same error, when I was testing it I found that it was the bluetooth module, for some reason if it is to the current to program my Arduino gave me that error, my solution was to …
What are the 5V and VIN pins for? - Arduino Stack Exchange
37 No. You can draw power from the 5v and VIN pins on the arduino. VIN is the completely unaltered input power before the regulator (it will be useless if regulated 5v is supplied directly). Outputting …
Compilation error: no such file or directory - Arduino Forum
Jul 19, 2023 · Select File > Preferences... from the Arduino IDE menus. The " Preferences " dialog will open. Check the box next to " Show verbose output during: ☐ compilation " in the " Preferences " …
ATTiny85 I2C LCD - Arduino Stack Exchange
Jan 6, 2011 · After hours of Googling, I found a blog post by Dimitris Platis where he describes using an ATTiny85 with I2C LCD. I emailed the guy and he replied with a link to his LCD I2C ATTiny library on …
Fatal error: Adafruit_GFX.h: No such file or directory - Arduino Forum
Nov 10, 2023 · Please don't hijack threads @araa-araaa. I have split your post out to its own topic. Hijacking is against the Arduino forum rules. The reason is that it may sidetrack the discussion, even …
int VS uint8_t VS uint16_t - Arduino Stack Exchange
This question is quite clear. What are the differences between an int, an uint8_t, and an uint16_t. I know it has to do with bytes and memory but can someone clarify me a bit? Things I want to kno...
now with 64 bit support! (and further new features) - Arduino Forum
Nov 24, 2016 · Support for both Office versions 64 bit as well as Office 32 bit No more installation needed! All within the workbook I got rid of the selmaDAQ_Ver2.ocx and use API calls now Fully …
How can I declare an array of variable size (Globally)
I'd like to make three arrays of the same length. According to the documentation, Arrays must be defined as int myArray[10]; where 10 can be substituted for a known length (another integer), or fil...