STM32F103C8T6 Minimum System Development Board – "Blue Pill"

Parameter	Detailed Specification
Microcontroller	STM32F103C8T6 (32-bit ARM Cortex-M3)
Clock Speed	72 MHz (Maximum)
Memory	64 KB Flash / 20 KB SRAM
Operating Voltage	3.3V DC (5V Tolerant I/O)
USB Connector	Micro-USB (Power and Data)
RTC Crystal	32.768 kHz (Integrated)

Price

₹ 152.54

(Tax included)

बारकोड: 54781223

Product Description

The STM32F103C8T6, widely known as the "Blue Pill," is a high-performance 32-bit development board that offers a significant upgrade over traditional 8-bit microcontrollers. Powered by the ARM Cortex-M3 core, it provides the computational speed and advanced peripheral support required for modern embedded applications. This "Minimum System Board" is fully integrated with a 3.3V LDO regulator, reset circuitry, and dual crystal oscillators, making it an ideal choice for engineers and students transitioning to professional ARM-based architectures. Its compact, breadboard-friendly design ensures seamless integration into complex robotics and IoT prototypes.

Detailed Key Features

Advanced 32-Bit Architecture: Operates at a high clock speed of 72 MHz, delivering the processing power needed for complex mathematical calculations and real-time data handling.
Professional Communication Interfaces: Features multiple hardware communication ports, including 2x I2C, 2x SPI, 3x USARTs, and a dedicated CAN 2.0 interface.
Integrated Timekeeping: Equipped with a secondary low-frequency crystal for the internal Real-Time Clock (RTC), enabling precise time-sensitive operations.
Versatile Power Options: Includes an onboard 3.3V LDO regulator, allowing the board to be powered via the Micro-USB port or an external 5V supply.
Dual Programming Modes: Specifically designed with a dedicated SWD (Serial Wire Debug) header for real-time debugging and a standard UART header for bootloading.

All Technical Details

High-Precision Data Acquisition: Features two 12-bit Analogue-to-Digital Converters (ADCs) supporting up to 10 input channels for sensitive sensor interfacing.
Timer Capability: Includes three 16-bit general-purpose timers and one dedicated advanced PWM timer for motor control and signal generation.
USB Connectivity: Supports USB 2.0 Full Speed data transfer directly through the onboard Micro-USB interface.
Compact Footprint: Precision-engineered at 53mm x 22mm, fitting perfectly into standard breadboards and custom PCBs.
Mechanical Build: High-quality PCB construction with gold-plated pin holes for reliable electrical connectivity.

Prototyping & Engineering Tips (Robogears Exclusive)

Bootloader Configuration: The "Blue Pill" comes with a factory UART bootloader. To program via serial, set the BOOT0 yellow jumper to '1'; for normal operation and code execution, return it to '0'.
Programming Tools: For professional debugging and development, we highly recommend using an ST-LINK V2 debugger via the SWD header. Alternatively, an FTDI (USB-to-TTL) converter can be used for serial programming.
Voltage Tolerance: While the MCU runs at 3.3V, many of its digital I/O pins are 5V tolerant, making it easier to interface with legacy 5V sensors. Always check the datasheet pin-map before connection.
Mechanical Reinforcement: To ensure longevity in your Pimpri workshop, consider applying a small amount of hot glue to the base of the Micro-USB port, as the solder joints can be delicate under high mechanical stress.

Package Includes

1 x STM32F103C8T6 "Blue Pill" Minimum System Board

Image Disclaimer

Image shown is for illustrative purposes only; the actual product may vary slightly in design, colour, or component layout due to manufacturing updates, though all technical specifications will remain as described.