STM32F103C8T6 ARM Cortex-M3 Dev Board 72MHz CH340 MCU

STM32F103C8T6 ARM Cortex-M3 Development Board – 72MHz MCU with CH340 USB

Take your embedded projects to the next level with the STM32F103C8T6 ARM Cortex-M3 Core Development Board. Running at a swift 72MHz, this compact and powerful microcontroller board is perfect for hobbyists, engineers, and makers who demand reliable performance from their hardware platform. Whether you're prototyping a new project or building a finished embedded system, this board delivers the speed, memory, and I/O versatility you need.

Key Features

• Processor: STM32F103C8T6 ARM Cortex-M3 32-bit MCU
• Clock Speed: Up to 72MHz for fast, responsive processing
• Flash Memory: 64KB onboard Flash for your program storage
• SRAM: 20KB for data and variable storage during runtime
• GPIO Pins: 37 GPIO pins for maximum connectivity and expansion
• USB Interface: Onboard CH340 USB-to-Serial chip (C8T6 with CH340 variant) for easy PC programming and communication
• Form Factor: Compact SMD design, breadboard-friendly
• Compatibility: Works with Arduino IDE and STM32 toolchains
• Package Type: SMD Module
• Condition: Brand New

Two Variants Available

• C8T6: Standard STM32F103C8T6 board (no onboard USB-Serial adapter — use an external programmer)
• C8T6 with CH340: Includes the CH340 USB-to-Serial chip, allowing direct USB programming from your computer without any additional hardware

What Can You Build With It?

The STM32F103C8T6 is one of the most popular microcontrollers in the maker and engineering community. Use it for:

• Robotics and automation controllers
• Sensor data acquisition and logging
• Custom USB HID devices
• Motor driver and PWM control systems
• IoT edge nodes and embedded firmware prototyping
• Arduino-compatible projects requiring more power and speed

Why Choose This Development Board?

This board combines a proven ARM Cortex-M3 core with an accessible form factor and generous I/O options. The inclusion of 37 GPIO pins, hardware SPI, I2C, USART, and CAN bus interfaces makes it a versatile platform for almost any embedded application. The optional onboard CH340 chip removes the need for a separate USB programmer, making getting started faster and easier than ever.

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Frequently Asked Questions

Q: What is the STM32F103C8T6 ARM Cortex-M3 Development Board used for?

A: The STM32F103C8T6 is a 32-bit ARM Cortex-M3 microcontroller development board running at 72MHz. It is widely used for embedded systems prototyping, robotics, sensor integration, motor control, custom USB devices, and Arduino-compatible projects that require more processing power and memory than typical 8-bit boards.

Q: What is the difference between the C8T6 and the C8T6 with CH340 variant?

A: The standard C8T6 variant requires an external ST-Link or USB-Serial programmer to upload firmware. The C8T6 with CH340 variant includes an onboard CH340 USB-to-Serial chip, allowing you to connect directly to your computer via a standard USB cable and program the board without any additional hardware.

Q: Is this board compatible with the Arduino IDE?

A: Yes! The STM32F103C8T6 board is compatible with the Arduino IDE using the STM32duino (Arduino_Core_STM32) board support package. This makes it easy to write and upload sketches if you are already familiar with Arduino programming, while still having access to the more powerful STM32 hardware features.

Q: How much Flash and SRAM does this board have?

A: This board features 64KB of Flash memory for storing your program and 20KB of SRAM for runtime data and variables — significantly more than many standard Arduino boards, making it well-suited for more complex firmware applications.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.