The Raspberry Pi Pico board's pinout tells us that there are 2 x SPI, 2 x I2C and 2 x UART. These all work fine as far as my tests have confirmed. Please could we get the pins_arduino.h file updated ...

Change to Arduino IDE 2.1.0 and hardware SPI no longer works. I have found that if I use the constructor for the display that uses software SPI, then everything works again.

Learn how to connect a micro SD card module to Arduino step by step. This beginner-friendly guide covers wiring, SPI communication, code for reading and writing files, and practical data logging ...

The new Arduino IDE 1.6.2 features a one click install of boards and libraries and now includes two new menu items in the form of “Sketch > Include Library ...