Yd-rp2040 — Schematic Better
At the core of the schematic lies the RP2040 chip itself. Designed by Raspberry Pi, this dual-core ARM Cortex-M0+ processor is unique for its flexible I/O capabilities. When analyzing the schematic, you will notice the connections to the chip are divided into critical subsystems:
#define I2C_SDA 2 #define I2C_SCL 3