SKU: IOWC-0020
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AI-Thinker AiPi-Audio BL618 ES8388 Audio Dev Board

₹979.00 (Inclusive of all taxes)
Out of Stock

The AI-Thinker AiPi-Audio is an audio driver development board integrating the Ai-M61-32S module with a BL618 chip and an ES8388 audio codec. This board facilitates voice recognition and walkie-talkie solutions, offering dual-channel audio support and USB-C power for versatile IoT applications.

Features

  • Integrates Ai-M61-32S module with BL618 Wi-Fi/BLE SoC for robust connectivity.
  • Features ES8388 audio codec, enabling high-quality dual-channel audio input and output.
  • Supports 8KHz to 48KHz sample rates and 16-32 bit audio depth for diverse applications.
  • Equipped with default 2W 8ohm speakers and dual-channel -65 dBm sensitivity microphones.
  • Rich peripheral interfaces including USB2.0, SPI, UART, I2C, I2S for extensive expansion.

Out of stock

Description

The AI-Thinker AiPi-Audio development board provides a dedicated platform for audio-centric IoT applications, leveraging the powerful Ai-M61-32S module. This module incorporates the BL618 chip, offering integrated Wi-Fi and Bluetooth capabilities crucial for modern connected devices. The board’s core audio processing is managed by an external ES8388 audio codec, ensuring high-fidelity sound capture and playback, making it suitable for sophisticated voice-enabled systems.

Designed with versatility in mind, the AiPi-Audio supports a broad range of peripheral interfaces including DVP, MJPEG, Display, USB2.0, Ethernet, SD/MMC, SPI, UART, I2C, I2S, PWM, and various ADCs. This extensive I/O allows developers to integrate additional sensors, displays, or connectivity options, extending its utility beyond basic audio functions. Its robust design and comprehensive feature set position it as an ideal solution for developing embedded voice recognition systems, smart intercoms, and other interactive audio devices.

Key Features

  • External ES8388 audio decoding chip for high-fidelity sound processing.
  • Supports both single and dual audio input and output configurations.
  • Compatible with 8KHz to 48KHz two-channel audio sampling rates.
  • Handles 16-bit to 32-bit depth audio for versatile sound quality requirements.
  • Includes default two-way 2W 8ohm speakers for immediate audio output.
  • Equipped with dual-channel microphones offering -65 dBm sensitivity for clear audio capture.
  • Utilizes the Ai-M61-32S module with a powerful BL618 chip.
  • Rich peripheral interfaces: DVP, MJPEG, Display, AudioCodec, USB2.0, Ethernet, SD/MMC, SPI, UART, I2C, I2S, PWM, GPDAC, GPADC, ACOMP, GPIO.

Applications

  • Voice recognition and command systems
  • Smart intercoms and walkie-talkie solutions
  • IoT voice assistants and smart home control
  • Remote audio monitoring and recording
  • Interactive educational devices and toys
  • Industrial voice prompts and alert systems

Technical Specifications

ModelAiPi-Audio
ModuleAi-M61-32S (BL618 Chip)
Audio CodecES8388
Power SupplyType-C USB (5V)
Audio ChannelsSingle/Dual Input & Output
Audio Sample Rate8KHz ~ 48KHz
Audio Bit Depth16 ~ 32-bit
Speaker Output2x 2W @ 8ohm (Default)
Microphone Sensitivity2x -65 dBm (Default)
InterfacesDVP, MJPEG, Display, AudioCodec, USB2.0, Ethernet, SD/MMC, SPI, UART, I2C, I2S, PWM, GPDAC, GPADC, ACOMP, GPIO
Length68 mm
Width43 mm

Frequently Asked Questions

What development environments are compatible with the AiPi-Audio board?

The AiPi-Audio board, leveraging the Ai-M61-32S module with its BL618 chip, is primarily compatible with official SDKs like Bouffalo Lab's BL-IDF. It also supports integration with open-source platforms such as Arduino IDE or PlatformIO, enabling developers to write custom firmware and applications using familiar toolchains for rapid prototyping and deployment.

How does the ES8388 audio codec enhance the board's capabilities?

The ES8388 audio codec significantly enhances the AiPi-Audio's capabilities by providing high-quality analog-to-digital and digital-to-analog conversion. This dedicated chip ensures clear audio capture from microphones and robust sound output to speakers, supporting various sample rates and bit depths crucial for applications like voice assistants, intercoms, and precise audio data logging.

What power supply considerations are important for the AiPi-Audio?

The AiPi-Audio board is conveniently powered via its Type-C USB port, typically requiring a 5V supply. While USB provides sufficient power for standard operation, integrating external amplifiers or high-power peripherals may necessitate a stable external power source. Developers should ensure the power supply meets peak current demands, especially during wireless communication and audio playback.

Can the AiPi-Audio be used for battery-powered applications?

Yes, the AiPi-Audio board can be integrated into battery-powered applications, though its core BL618 chip and ES8388 codec have specific power profiles. Developers should implement efficient power management strategies, utilizing the BL618’s low-power modes when idle. Consider adding a dedicated battery management IC to optimize power consumption and extend battery life for portable deployments.

What are the key steps for flashing custom firmware onto the AiPi-Audio?

To flash custom firmware, connect the AiPi-Audio via USB-C to your development machine. Use the appropriate Bouffalo Lab flashing tool or a compatible toolchain like PlatformIO with the BL-IDF. Ensure correct boot mode configuration, typically involving specific GPIO pin states during power-up or reset. Compile your firmware and upload it through the serial interface for custom application deployment.

Package Includes

  • 1 x AI-Thinker AiPi-Audio Development Board
  • 2 x Microphones
  • 2 x Speakers

Additional Information

Weight 0.029 kg
Dimensions 6.8 × 4.3 cm