"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