https://www.raspberrypi.com/documentation/microcontrollers/rp2040.html
https://datasheets.raspberrypi.com/pico/getting-started-with-pico.pdf
ST7755
pinout of connector, rp2040 pins
VCC
GND
CS 17 SPI0 CSn
RESET 16 SPI0 MISO
A0 20
SDA 19 SPI0 MOSI
SCK 18 SPI0 SCK
LED
https://github.com/boochow/MicroPython-ST7735
spi = SPI(0, baudrate=20000000, polarity=0, phase=0, sck=Pin(18), mosi=Pin(19), miso=Pin(16)) tft=TFT(spi,20,16,17)