Hi.
Can you paste the error message that you get?
Regards,
Sara

Hi Sara, wow now you impressed me! So fast response, thanks!!
The error message I get is:
Arduino: 1.8.19 (Mac OS X), Board: “NodeMCU 1.0 (ESP-12E Module), 80 MHz, Flash, Disabled (new aborts on oom), Disabled, All SSL ciphers (most compatible), 32KB cache + 32KB IRAM (balanced), Use pgm_read macros for IRAM/PROGMEM, 4MB (FS:2MB OTA:~1019KB), 2, v2 Lower Memory, Disabled, None, Only Sketch, 115200”
18:12: fatal error: ESPAsyncTCP.h: No such file or directory
18 | #include <ESPAsyncTCP.h>
| ^~~~~~~~~~~~~~~
compilation terminated.
exit status 1
ESPAsyncTCP.h: No such file or directory
But I downloaded the .h file from GitHub and saved it to the library folder in the Sketch location…
File name is correct, format is also correct, what could be the issue?
Thanks,
Jayme
 

Hi again.
Try including the library as follows:
Go to Sketch > Include Library > Add .ZIP library and select the library you just downloaded.
Regards,
Sara
 

Hello Sara, I deleted everything and did it all again, carefuly 🙂
And problem solved, thanks a lot for your help!
BR,
Jayme 

Great.
I’ll mark this issue as resolved. If you need further help, you just need to open a new question in our forum.
Regards,
Sara

Note that a library will include at least two files. The .h file is just a header file. It will need an associated file (.c or .c++ or something) that implements the functions declared in the header file. Just downloading the header file is rarely enough.