My arduino sketch sends hello world but no Sensor data via Lmic

Hi

Blocked with my arduino ide sketch to get my bmp temperature sent through Lmic/Lorawan.
Can anyone help me out?
I cansend successfully Hello World, but when sending temperature of a BMP, it send incoherent data

Processing: Ensayo_01102021.txt…
Ensayo LMIC sensor.pdf (224.6 KB)
Thanks
Emilio

Apologies for such a late response.

Your sketch is setting byte 0 of myData[] to temperatura converted directly to a number in 0…255. So at best you’re getting one byte of temperature in degrees C. You didn’t really show what you’re getting that’s incoherent.