1. Introduction
The Waveshare ESP32-C6 Microcontroller Development Board is an entry-level RISC-V microcontroller development board. It integrates Wi-Fi 6, Bluetooth 5, and IEEE 802.15.4 (Zigbee 3.0 and Thread) wireless communication, offering superior RF performance. This compact and powerful board features multiple peripheral interfaces, making it suitable for smart home, industrial automation, healthcare, consumer electronics, and other applications.
It adopts the ESP32-C6-WROOM-1-N8 module with a RISC-V 32-bit single-core processor, operating at up to 160MHz, and includes 8MB Flash memory. The board integrates rich peripherals such as SPI, UART, I2C, I2S, LED PWM, and SDIO. Onboard CH343 and CH334 chips facilitate USB and UART development via a single Type-C interface. Its pinout is compatible with the ESP32-C6-DevKitC-1 development board, ensuring strong compatibility and expandability. The castellated module design allows for direct soldering to carrier boards.
Figure 1: Waveshare ESP32-C6 Microcontroller Development Board.
2. Package Content
Please verify that all items listed below are included in your package. If any items are missing or damaged, please contact your vendor.
- ESP32-C6 Microcontroller, Wi-Fi Development Board (x1)
- 20PIN male pinheader (black) (x4)
Figure 2: Contents of the product package, showing the ESP32-C6-DEV-KIT-N8 board and four 20-pin male pin headers.
3. Board Specifications
The ESP32-C6 Development Board features the following technical specifications:
- Processor: RISC-V 32-bit single-core, up to 160MHz
- Module: ESP32-C6-WROOM-1-N8
- Flash Memory: 8MB
- Wireless Connectivity: Wi-Fi 6 (2.4GHz), Bluetooth 5 (LE), IEEE 802.15.4 (Zigbee 3.0, Thread)
- USB Interface: Type-C (for power, data, and programming)
- USB-UART Bridge: Onboard CH343 and CH334 chips
- Operating System Support: FreeRTOS
- Peripheral Interfaces: SPI, UART, I2C, I2S, LED PWM, SDIO
- Compatibility: Pinout compatible with ESP32-C6-DevKitC-1 development board
- Form Factor: Castellated module for direct soldering
- Item Weight: Approximately 1.41 ounces (40 grams)
- Package Dimensions: Approximately 4.21 x 3.19 x 1.26 inches (10.7 x 8.1 x 3.2 cm)
Figure 3: Overview of the board's key features and specifications.
Figure 4: Wireless capabilities of the ESP32-C6, including 2.4GHz Wi-Fi 6 and Bluetooth 5 (LE).
4. Setup Guide
4.1 Initial Connection
- Connect USB-C Cable: Connect the ESP32-C6 development board to your computer using a standard USB-C cable. The board will draw power from the USB connection.
- Driver Installation: The onboard CH343 and CH334 chips typically use standard USB-to-UART drivers. On most modern operating systems (Windows, macOS, Linux), these drivers are installed automatically. If the board is not recognized, you may need to manually install CH34x series drivers. Search online for "CH34x driver" and download from a reputable source.
- Verify COM Port: After connecting, check your computer's Device Manager (Windows) or
ls /dev/tty*(Linux/macOS) to identify the assigned COM port (e.g., COMx on Windows, /dev/ttyUSBx or /dev/cu.usbserial-xxxx on Linux/macOS).
4.2 Development Environment Setup
The ESP32-C6 board can be programmed using various development environments. The most common are the Arduino IDE and Espressif's ESP-IDF.
4.2.1 Arduino IDE Setup
- Install Arduino IDE: Download and install the latest version of the Arduino IDE from the official Arduino website (www.arduino.cc/en/software).
- Add ESP32 Board Manager URL:
- Go to File > Preferences.
- In the "Additional Boards Manager URLs" field, add:
https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json - Click OK.
- Install ESP32 Boards:
- Go to Tools > Board > Boards Manager...
- Search for "esp32" and install the "esp32 by Espressif Systems" package. Ensure you install a version that supports ESP32-C6 (e.g., 3.0.0-alpha3 or newer).
- Select Board: Go to Tools > Board > ESP32 Arduino and select "ESP32C6 Dev Module".
- Select COM Port: Go to Tools > Port and select the COM port identified in step 3 of Initial Connection.
4.2.2 ESP-IDF Setup
For advanced development, Espressif's IoT Development Framework (ESP-IDF) is recommended. Follow the official ESP-IDF Getting Started Guide for detailed installation instructions, which typically involve installing Python, Git, and the ESP-IDF tools. The official documentation can be found on Espressif's website (docs.espressif.com/projects/esp-idf/en/latest/esp32c6/get-started/index.html).
5. Operating Instructions
5.1 Basic Programming and Upload
- Write Code: Open your chosen IDE (e.g., Arduino IDE) and write your program (sketch).
- Compile: Click the "Verify" or "Compile" button in your IDE to check for errors.
- Upload: Click the "Upload" button. The IDE will compile the code and then attempt to upload it to the ESP32-C6 board via the selected COM port. The board will automatically enter bootloader mode for programming.
- Monitor Serial Output: Use the Serial Monitor in your IDE to view debug messages or program output from the board. Ensure the baud rate matches your code.
5.2 Utilizing Wireless Features
The ESP32-C6 supports Wi-Fi 6, Bluetooth 5, Zigbee 3.0, and Thread. Libraries and examples for these protocols are available within the Arduino ESP32 core or ESP-IDF.
- Wi-Fi: Use the standard Wi-Fi library in Arduino to connect to networks, create access points, or implement Wi-Fi client/server applications.
- Bluetooth: The Bluetooth Low Energy (BLE) subsystem allows for communication with other BLE devices. Refer to BLE examples in your chosen framework.
- Zigbee/Thread: For Zigbee 3.0 and Thread, specific libraries and examples are available within the ESP-IDF framework, enabling the creation of mesh network devices.
6. Maintenance
To ensure the longevity and optimal performance of your Waveshare ESP32-C6 Development Board, follow these maintenance guidelines:
- Storage: Store the board in a dry, anti-static environment, away from direct sunlight and extreme temperatures.
- Cleaning: If necessary, gently clean the board with a soft, dry brush or a lint-free cloth. Avoid using liquids or abrasive cleaners.
- Handling: Always handle the board by its edges to minimize contact with components and prevent electrostatic discharge (ESD). Consider using an anti-static wrist strap.
- Power Supply: Use a stable 5V power supply via the USB-C port. Avoid over-voltage or reverse polarity connections.
- Pin Headers: Ensure pin headers are securely connected but avoid excessive force when inserting or removing wires/components.
7. Troubleshooting
If you encounter issues with your ESP32-C6 Development Board, consider the following troubleshooting steps:
- Board Not Detected:
- Ensure the USB-C cable is fully inserted and functional. Try a different cable.
- Verify that the CH34x drivers are correctly installed on your computer.
- Check Device Manager (Windows) or
ls /dev/tty*(Linux/macOS) for the COM port.
- Upload Errors:
- Confirm the correct board (ESP32C6 Dev Module) and COM port are selected in your IDE.
- Ensure no other application is using the COM port.
- Sometimes, pressing and holding the BOOT button while pressing and releasing the RESET button, then releasing BOOT, can manually put the board into bootloader mode for upload.
- Check for syntax errors in your code.
- Wi-Fi/Bluetooth/Zigbee Connectivity Issues:
- Verify your code correctly initializes and uses the wireless modules.
- Check antenna connections (if external antenna is used, though this board has an onboard antenna).
- Ensure proper power supply.
- Test with simple example sketches to isolate the issue.
- General Instability:
- Ensure your power supply is adequate and stable.
- Check for short circuits or incorrect wiring on your breadboard or custom PCB.
- Review your code for potential memory leaks or infinite loops.
For more detailed troubleshooting and community support, refer to the official Waveshare Wiki for ESP32-C6 or Espressif's documentation and forums.
8. Pinout Definition
Understanding the pinout is crucial for connecting peripherals and utilizing the board's full capabilities. The ESP32-C6-DEV-KIT-N8 pinout is compatible with the ESP32-C6-DevKitC-1 development board.
Figure 5: Pinout diagram showing GPIOs, power pins, and special function pins, along with a legend for pin types.
9. Onboard Resources
The board includes several onboard components and indicators to aid in development and operation.
Figure 6: Labeled diagram of the onboard resources, including buttons, LEDs, and power indicators, as well as the board's physical dimensions.
- USB Type-C Port: Used for power supply, data communication (USB-UART), and programming.
- Reset Button: Resets the ESP32-C6 module.
- Boot Button: Used in conjunction with the Reset button to enter bootloader mode for firmware flashing.
- RGB LED: A programmable multi-color LED for status indication or user feedback.
- 3.3V Power Indicator: An LED that illuminates when the 3.3V power rail is active.
- USB to UART Converter: Facilitates serial communication between the ESP32-C6 and your computer.
- Pin Headers: Provide access to GPIOs and power rails for external connections.
10. Function Block Diagram
The function block diagram illustrates the internal architecture and connectivity of the main components on the ESP32-C6 Development Board.
Figure 7: Block diagram detailing the power supply, USB-to-UART bridge, USB HUB, LDO, ESP32-C6-WROOM-1-NX module, RGB LED, and header blocks.
11. Outline Dimensions
The physical dimensions of the ESP32-C6 Development Board are provided for integration into custom enclosures or projects.
Figure 8: Detailed outline dimensions of the board, showing measurements in millimeters.
12. Warranty and Support
Waveshare products typically come with a standard manufacturer's warranty. For specific warranty terms, return policies, or technical support, please refer to the official Waveshare website or contact your point of purchase. Online resources such as the Waveshare Wiki and community forums are also valuable for technical assistance and project ideas.
