3v3 + 3.3v -> ili9341 VCC -> LED ( this is for the lcd back light will be only be labled as led ) needs 3v3 volts from both the chips to balance current draw.
Sending data which is emiting from pc through ft232h into pi pico with the help of PIO state machine
(PC + FT232H) -> Pi Pico
https://ftdichip.com/wp-content/uploads/2023/09/DS_FT232H.pdf page9
https://ftdichip.com/wp-content/uploads/2020/08/TN_167_FIFO_Basics.pdf page15
Refrences:- AN130 AN135 AN165 AN167 AN124
