Shortly after the RP2040-based Raspberry Pi Pico board was released, we got two Arduino SDKs, the first being the community-supported Raspberry Pi Pico Arduino core maintained by Earle, and the second ...

This document only describe the four modi typical used in the Arduino context. The SWSPI library implements a software implementation of SPI with 4 different modi.

SparkFun has just launched the "IoT RedBoard - RP2350" and "IoT RedBoard - ESP32" boards with Arduino UNO R4 form factor based on respectively Raspberry ...