LwIP port based on STM32CubeMX generated code and ChibiOS

Don’t forgot connector to board, and you want display with backlight.
TFT displeje DEM 240x320 A3 TME, 2,2”
Grafický LCD, 128 x 64 Pixelů, 54,6mm x 42,2mm
OLED; grafický; 96x64; Rozm:24,9x22,95x1,65mm; žlutá

Low-Pass Filter a PWM Signal into an Analog Voltage
Using PWM Output as a Digital-to-Analog
Arduino’s AnalogWrite – Converting PWM to a Voltage
RC Low-pass Filter Design for PWM

ANALOG OUTPUT - CONVERT PWM TO VOLTAGE