Someone made a review for my software defined radio application using LVGL on youtube.
They like the user interface 
4 Likes
How was this part of the graph made in LVGL?
What hardware was this product made of?
STM32 or ESP32? or other?
It uses canvas in lvgl. The hardware is raspberry pi4. You can check it on github GitHub - paulh002/sdrberry: Raspberry pi SDR tranceiver using lvgl gui