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Raspberry Pi Pico SDK review

Free#17 of 30 in Embedded Systems Toolchains

A focused C/C++/assembly toolchain for RP2040 and RP2350 development.

7.1/10Editor score
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Raspberry Pi Pico SDK is an open-source software development kit for building firmware for Raspberry Pi RP-series microcontrollers, including Pico and Pico 2 boards. It is intended for developers working with RP2040 and RP2350 targets, covering C, C++ and assembly development. RP2350 projects can target Arm Cortex-M33 or Hazard3 RISC-V, while RP2040 uses Arm Cortex-M0+. Windows, macOS and Linux are supported host platforms.

The SDK’s main strength is its range of device-level and higher-level development components. Hardware APIs, register-definition headers and peripheral libraries support timers, synchronization, USB and multicore programming. Programmable I/O adds a dedicated way to work with custom peripheral behavior. For supported boards, Wi-Fi and Bluetooth networking libraries extend the toolchain beyond basic microcontroller firmware. CMake project initialization and build integration provide the central project workflow, and builds can produce ELF, UF2 and other firmware artifacts.

Debugging is covered through SWD, USB-to-SWD, UART, OpenOCD and GDB workflows, giving developers several paths from firmware build to device inspection. The toolchain is a strong fit when the target is specifically an RP2040 or RP2350 board and the project benefits from direct access to Raspberry Pi’s hardware APIs, PIO and runtime infrastructure. Teams seeking a broader microcontroller ecosystem, a build system other than CMake, or AI-assisted development features should consider a different toolchain. Its open-source model suits projects that want source-available development tools rather than a commercial plan structure.

Raspberry Pi Pico SDK pros and cons

  • Where it wins
    • Supports C, C++, assembly, Arm, and RISC-V development
    • Includes hardware APIs, libraries, networking, PIO, and multicore support
    • Provides CMake builds plus ELF, UF2, SWD, OpenOCD, and GDB workflows
  • Where it doesn't
    • Focused on Raspberry Pi RP2040 and RP2350 devices
    • CMake is the supported build-system integration
    • Does not include AI-assisted development features

Raspberry Pi Pico SDK fact sheet, pricing and score →

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