Key Features:

• Microcontroller (MCU): STM32F103RBT6

  • 32-bit ARM Cortex-M3 core

  • Clock speed: up to 72 MHz

  • Flash memory: 128 KB

  • SRAM: 20 KB

• On-Board ST-LINK/V2-1 Debugger & Programmer:

  • No need for external debugger

  • Supports drag-and-drop programming

• Connectivity:

  • Arduino Uno R3 Header Compatible:

    • Easy to connect with Arduino shields

  • ST Morpho Headers:

    • Full access to all MCU I/Os for advanced development

• Power Supply Options:

  • Powered via USB or external power (VIN/3.3V/5V)

• Integrated Features:

  • 3 LEDs (User, Power, and Communication)

  • 1 Push Button (User)

  • USB Interface for programming and communication

Why Use the NUCLEO-F103RB?

• Beginner-Friendly: Works well for those new to STM32 or embedded systems

• Cost-Effective: Low-cost, high-performance 32-bit MCU board

• Flexible Prototyping: Arduino + Morpho header support makes it ideal for a wide range of sensors, modules, and custom circuits

• Software Support:

  • Works with STM32CubeIDE, Keil, IAR, and Arduino IDE (with STM32duino core)

  • STM32CubeMX for easy configuration