Use when writing firmware for Raspberry Pi Pico, Pico W, Pico 2, or any RP2040/RP2350 board. Covers PIO state machines for precise timing, dual-core programming with _thread, ADC quirks (internal temp sensor, VSYS divider), the GP25 LED vs Pico W WiFi-chip LED trap, UF2 flashing, and 3.3V-only GPIO
Use when writing firmware for Raspberry Pi Pico, Pico W, Pico 2, or any RP2040/RP2350 board. Covers PIO state machines for precise timing, dual-core programming with _thread, ADC quirks (internal temp sensor, VSYS divider), the GP25 LED vs Pico W WiFi-chip LED trap, UF2 flashing, and 3.3V-only GPIO constraints.