"VFOsys2" is the original version of a digital VFO with analog dial display by Tj Lab(JF3HZB),
which can be compiled on Arduino IDE with Board manager "esp32 ver. 2.0.9" and Library "LovyanGFX ver. 1.1.7".
Usable display panel:
ST7735S (128 x 160, 80 x 160),
ST7789 (135 x 240, 240 x 240, 240 x 320),
ILI9341 (240 x 320),
SSD1331 (64 x 96).
JF3HZB T. Uebo
Tj Lab
https://tj-lab.org