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The SONY Spresense Extension Board (CXD5602PWBEXT1E) is designed for developers and hobbyists looking to expand the capabilities of the Spresense microcontroller. Its primary benefit is offering versatile audio input/output and expanded digital/analog interfaces, along with external storage via an SD card slot. A key consideration is its reliance on the Spresense main board for full functionality.
| Model Part Number | CXD5602PWBEXT1E |
|---|---|
| Brand | Sony |
The primary function is to expand the audio capabilities and connectivity options of the Spresense main board, adding features like microphone inputs, headphone output, and an SD card slot.
No, the Spresense Extension Board requires a Spresense main board to function as it connects directly to it and draws power and processing capabilities from it.
The board supports either 4-channel analog microphone input or 8-channel digital microphone input.
While not explicitly stated, it is generally recommended to use microSD cards up to 32GB formatted as FAT32 for best compatibility, although larger cards might work depending on the Spresense firmware.
It offers pin compatibility with *selected* Arduino shields. You should verify the specific shield's pinout and voltage requirements against the Spresense Extension Board's specifications.
The digital input/output pins can operate at either 3.3V or 5V, providing flexibility for different peripheral requirements.
There is a dedicated headphone jack on the board. Simply plug in standard 3.5mm headphones.
Ensure the extension board is securely connected to the main board. Verify that the main board has power and is functioning correctly. Check for any physical damage on the connectors.
Ensure the microSD card is inserted correctly and is not corrupted. Try a different microSD card to rule out card issues. Format the card to FAT32 if necessary.
Verify that the audio device (headphones, microphone) is properly connected. Check your software configuration to ensure the correct audio channels are enabled and configured. Test with different audio devices.
Confirm that the connected sensor or module is compatible with the specified voltage (3.3V or 5V). Double-check your wiring and code for correct pin assignments and logic levels.
Setup: The Spresense Extension Board connects directly to the Spresense main board. Ensure both boards are properly aligned and secured to prevent damage. Refer to the Spresense main board documentation for specific connection points and initial power-up procedures.
Compatibility: This extension board is designed specifically for the Sony Spresense main board. It supports 3.3V or 5V digital I/O, ensuring compatibility with a wide array of sensors and modules. It is also designed to be pin-compatible with selected Arduino shields.
Care: Handle the board with care, avoiding exposure to static electricity, moisture, and extreme temperatures. Keep the microSD card slot clear of debris. Clean the board with a dry, soft cloth only; avoid using liquids or solvents.
