Description
The STM32S103F3P6 Development Board is a compact, efficient, and low-cost microcontroller platform built around the ARM Cortex-M3 processor. Designed for embedded applications requiring moderate processing power, it offers versatile connectivity options in a small footprint making it well suited for prototyping and space-constrained designs. With multiple I/O ports and support for UART, SPI, I2C, and USB interfaces, this board is a solid choice for developers building custom electronics, IoT devices, and embedded systems.
Key Features
- Efficient Cortex-M3 core delivers solid performance with low power consumption
- Multi-protocol interface support: UART, SPI, I2C, and USB for flexible communication
- Compact footprint ideal for tight spaces in embedded and portable projects
- Easy to prototype thanks to breadboard-friendly layout
- Onboard USB interface simplifies programming and power input
Specification
- Processor: STM32S103F3P6 (ARM Cortex-M3)
- Clock speed: Up to 48 MHz
- Memory: 16KB Flash, 4KB SRAM (typical, varies by version)
- Operating voltage: 3.3V
- Interfaces: UART, SPI, I2C, USB
- GPIO pins: Multiple general-purpose I/O lines
- Form factor: Ultra-compact design
- Board dimensions: Approximately 36mm × 17mm
Applications
- Embedded system development
- Sensor interfacing and data logging
- DIY electronics and automation
- Educational microcontroller training
- Low-power IoT devices





