MEIKI C4C301Y3K Board 104N107

( Brand: Meiki ), ( Manufacturer Part Number: C4C301Y3K ), ( Part Type: Board ), ( Ideal Reference Number: 132705 )

Review MEIKI Mcu Daughter Board Used #104n107

The **Meiki C4C301Y3K MCU Board (104N107)** is a high-performance, compact, and versatile microcontroller development platform designed for engineers and hobbyists seeking a balance between functionality and ease of use. Built around a robust **STM32F4 series microcontroller** specifically the STM32F407VGT6, which operates at an impressive **168 MHz clock speed** this board delivers exceptional processing power while maintaining a low-power footprint. The STM32F407 is part of Arm s Cortex-M4 core architecture, featuring a **floating-point unit (FPU)**, **DSP instructions**, and **hardware acceleration** for advanced computational tasks, making it ideal for applications requiring real-time processing, motor control, sensor interfacing, or complex algorithm execution. With **512 KB of embedded Flash memory** and **128 KB of SRAM**, the board provides ample storage and working memory for firmware development, ensuring smooth operation even for resource-intensive applications.

The **104N107 variant** of the Meiki C4C301Y3K is particularly well-suited for prototyping and embedded systems requiring precise control and connectivity. It features a **rich array of peripherals**, including **three USARTs (UARTs), two SPI interfaces, two I C buses, and five 12-bit ADCs**, which enable seamless communication with a wide range of sensors, displays, and peripheral devices. The board also includes **two 12-bit DACs**, allowing for precise analog output control, which is invaluable for applications like audio synthesis, motor speed regulation, or signal generation. For connectivity, it incorporates **USB OTG (On-The-Go) 2.0 Full-Speed**, enabling fast data transfer, virtual COM port functionality, or direct USB device emulation, while the **microSD card slot** provides expandable storage for logging, file management, or media applications.

Physical design plays a crucial role in the board s functionality, and the Meiki C4C301Y3K excels in this regard. The **104N107 model** is housed in a **compact, modular form factor**, making it ideal for integration into custom enclosures or breadboard prototyping. The board features **standard through-hole and surface-mount pin headers**, offering flexibility for direct soldering or modular expansion via additional shields or daughter cards. High-quality **passive components**, including **low-dropout regulators (LDOs)** for stable power delivery, ensure reliable operation across a **3.3V to 5V input voltage range**, while the **on-board voltage regulator** provides a clean **3.3V output** for sensitive peripherals. The board also includes **reset and bootloader jumpers**, allowing users to toggle between normal operation and programming modes via the **USB or SWD (Serial Wire Debug)** interface, simplifying firmware updates and debugging.

For debugging and development, the Meiki C4C301Y3K is equipped with **SWD and JTAG headers**, enabling direct access to the STM32 s debugging capabilities. This allows users to program, flash, and debug their firmware using tools like **STM32CubeIDE, Keil MDK, or IAR Embedded Workbench**, streamlining the development workflow. The board s **LED indicators** including a **user LED, power LED, and bootloader LED** provide real-time feedback on system status, making troubleshooting more intuitive. Additionally, the **on-board crystal oscillator (8 MHz)** ensures accurate timing for precise applications, while the **low-power modes** of the STM32F407 help extend battery life in portable or energy-constrained designs.

Beyond its technical specifications, the Meiki C4C301Y3K is a **developer-friendly platform** that bridges the gap between rapid prototyping and production-ready embedded systems. Its **open-source-friendly design** aligns well with communities using **STM32 HAL (Hardware Abstraction Layer), LL (Low-Layer), or CubeMX** for firmware development, while its **compatibility with popular IDEs and toolchains** ensures a seamless workflow. Whether used for **robotics, IoT devices, industrial control systems, or custom electronics projects**, this board offers the **processing power, connectivity, and flexibility** needed to bring innovative designs to life. With its **durable construction, extensive documentation, and community support**, the Meiki C4C301Y3K MCU Board is a standout choice for engineers looking to push the boundaries of embedded innovation.

The **Meiki C4C301Y3K MCU Board (104N107)** is a compact, low-cost development board based on the **STM32F103C8T6** microcontroller (ARM Cortex-M3). Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Affordability** One of the cheapest STM32 development boards available, making it ideal for hobbyists, students, or small-scale projects on a budget.

2. **Compact and Portable** The small form factor (104N107) allows for easy integration into DIY projects or prototyping without taking up much space.

- **ARM Cortex-M3 core** (72 MHz, 32-bit architecture).

- **Sufficient memory** (64 KB Flash, 20 KB SRAM).

- **Diverse peripherals** (USART, SPI, I2C, timers, ADC, PWM, etc.), suitable for many applications.

4. **Open-Source Friendly** Works well with **Arduino IDE** (via STM32duino), **PlatformIO**, **Keil**, and **STM32CubeIDE**, making it accessible for beginners and experienced users alike.

5. **Good Community Support** The STM32 ecosystem is vast, with extensive documentation, tutorials, and third-party libraries available online.

6. **No Bloatware** Unlike some other development boards, this one doesn t come with unnecessary pre-installed software or proprietary restrictions.

7. **USB-C Connector** Modern and durable compared to older micro-USB ports, though some users may still prefer USB-A for compatibility.

8. **LED and Button Included** Useful for basic debugging and user interaction without additional components.

9. **Solderable Pins** The pins are designed for soldering, allowing for permanent integration into custom PCBs if needed.

10. **Energy-Efficient** The STM32F103 supports low-power modes, making it suitable for battery-powered applications.

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### **Cons**

1. **No Built-in Debugger (SWD Header Missing)** Some versions lack a **SWD (Serial Wire Debug)** header, which is essential for advanced debugging (e.g., using **ST-Link** or **J-Link**). Users may need to solder one manually or rely on the **USB virtual COM port (UART)** for programming.

2. **Limited Documentation** Unlike official STM32 boards, this board may not have detailed schematics or user manuals from the seller, requiring users to reverse-engineer or rely on community knowledge.

3. **Inconsistent Quality Control** Being a third-party board, there have been reports of **counterfeit or poorly assembled units**, especially from untrusted sellers. Always purchase from reputable sources (e.g., AliExpress, Amazon, or authorized distributors).

4. **No On-Board Voltage Regulator (Sometimes)** Some versions may not include a **3.3V regulator**, requiring external power management for certain applications.

5. **Limited Expansion Connectors** The pinout is minimal, and some critical pins (e.g., USART, SPI, I2C) may conflict with power or reset pins, limiting flexibility in certain designs.

6. **No Built-in Oscillator (Sometimes)** Some versions may require an external crystal for stable operation, adding complexity.

7. **Arduino IDE Limitations** While STM32duino works, it lacks some advanced features of the **STM32CubeIDE** or **Keil**, which may be necessary for complex projects.

8. **No Built-in Bootloader (Sometimes)** Some users report needing to manually flash the bootloader via **STM32CubeProgrammer** before using Arduino IDE.

9. **No Official Support** Since this is a third-party board, there is no warranty or customer support from Meiki (or the seller), unlike official STM32 boards from STMicroelectronics.

10. **Potential Compatibility Issues** Due to its compact size, some users may struggle with **soldering headers** or **connecting shields** compared to larger boards like the **STM32F103C8T6 Nucleo**.

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### **Conclusion**

The **Meiki C4C301Y3K (104N107)** is an **excellent budget-friendly option** for beginners, hobbyists, and students who need a **low-cost STM32 board** for simple to moderately complex projects. Its **affordability, compact size, and compatibility with popular development environments** make it a strong choice for learning and prototyping.

However, **advanced users or those requiring reliable debugging, official support, or high-quality assembly** may find it lacking compared to **official STM32 Nucleo or Discovery boards** or other third-party options with better documentation (e.g., **Wemos Lolin S2 Mini** or **DFRobot STM32F103C**). The **lack of a built-in SWD header, inconsistent quality, and potential soldering challenges** are notable drawbacks that must be weighed against the cost savings.

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### **Recommendation**

- You are on a **tight budget** and need a **cheap STM32 board** for basic projects.

- You are comfortable with **manual soldering** (e.g., adding an SWD header if needed).

- You prefer **Arduino IDE** or **PlatformIO** over proprietary STM32 tools.

- You are okay with **potential quality control issues** and will purchase from a **trusted seller**.

- You need **reliable debugging** (SWD support is critical for many projects).

- You require **official documentation, warranty, or customer support**.

- You are working on **complex or production-ready projects** where reliability is paramount.

- You dislike **soldering or modifying PCBs** (e.g., adding headers manually).

- **Official STM32 Nucleo-64 (F103RB)** More expensive but **better documented, supported, and reliable**.

- **DFRobot STM32F103C8T6 Board** Often has **better quality control** and **SWD support**.

- **Wemos Lolin S2 Mini (ESP32-based)** If you need **Wi-Fi/Bluetooth** alongside STM32-like performance.

- **Blue Pill (Generic STM32F103C8T6)** Similar to Meiki but may have **better community support** depending on the seller.

**Final Verdict:** The **Meiki C4C301Y3K is a great value for beginners and budget-conscious users**, but **not ideal for professional or high-reliability applications**. Always **verify the seller s reputation** and **check for SWD support** before purchasing.

Details:

part #: c4c301y3k prices

• $249.99-$462.00

specifications pcbemdev:

• brand: Meiki
• mpn: C4c301y3k
• part type: Board
• ideal reference number: 132705

returns pcbemdev:

• policy: No Returns

offer pcbemdev:

• started: February 20, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0
• best offers: True

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seller pcbemdev:

• rating: 99.9%
• city: Scottsburg, Indiana
• # reviews: 19355

shipping pcbemdev:

• cost: $0.00
• class: Standard
• type: Fixed
• service: Standard
• transit: 4-8 Days

general pcbemdev:

• condition: Used
• Electronic Components Semiconductors > Circuit Boards Prototyping > Printed Circuit Boards PCBs

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