ESP32-LyraTD-MSC
Wireless - IoT / WIFI / BLUETOOTH / Development board

ESP32-LyraTD-MSC

Lượt xem: 21
Cập nhập lần cuối: 2019-08-19 16:16:01
Thương hiệu: Espressif Systems
Xuất xứ:
Mã lưu trữ: DK4L84
Đơn vị:
Số lượng 1 - 45+
Giá 1,650,0001,600,000
Số lượng:
Tiền tệ: VNĐ

Chi tiết sản phẩm

Overview:

 

  •  Hardware Characteristics

ESP32-LyraTD-MSC is designed for smart speakers and AI applications. This audio development board consists of two parts: the upper board, which provides a three-microphone array, function keys and LED lights; and the lower board, which integrates ESP32-WROVER, a MicroSemi Digital Signal Processing (DSP) chip, and a power management module.

  • Wide Applicability

ESP32-LyraTD-MSC implements voice interaction and cloud-on-demand services for smart speaker applications, human-machine interaction and image recognition for AI applications, as well as interconnectivity  and real-time feedback for smart home devices.

  • Excellent Performance

ESP32-LyraTD-MSC facilitates the quick and easy development of dual-mode (Bluetooth + Wi-Fi) audio solutions, as it supports one-key Wi-Fi network  configuration

  • More information: Espressif Systems ESP32-LyraTD-MSC Audio IC Development Board evaluates ESP32-WROVER, a BT/Wi-Fi combo module and Digital Signal Processor (DSP). The ESP32-WROVER features a three-microphone array for noise reduction and echo cancellation. This audio IC development board provides a BT/Wifi combo module that offers 802.11 b/g/n Wi-Fi protocol with classic Bluetooth® and Bluetooth Low Energy (BLE) characteristics. The ESP32-LyraTD-MSC board supports one-key Wi-FI network configuration, Acoustic Echo Cancellation (AEC), Automatic Speech Recognition (ASR), near-field/far-field voice wake up, and voice recognition. This audio IC development board offers excellent performance characteristics through cloud platform access, quick audio decoding, and wake-up interrupt. This audio IC development board has a wide range of applications in AI and smart speakers including human-machine interaction and image recognition.

 

Parameters:

 

Manufacturer Espressif
Product Category Audio IC Development Tools
Product Development Boards
Type Audio amplifier
Tool Is For Evaluation Of ESP32-WROVER
User Guide ESP32-LyraTD-MSC

 

Board Layout:

  • USB power input:

Provides power supply to the whole system. It is recommended that the system be connected to a power adapter for sufficient current supply.

  • Battery interface:

Provides power supply to the whole system when the USB power interface is not used.

The development board integrates the AP5056 power management IC to support battery charging.

  • Power switch:

Turn on the switch and the system will be powered on.

Turn off the switch and the system will be powered off.

  • I²S port:

An I²S bus transmits audio data between ESP32 and the DSP.

  • ESP32-WROVER-B module:

This is a powerful, general-purpose, Wi-Fi+BT+BLE MCU module, targeting a wide variety of applications ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming and MP3 decoding.

  • MicroSemi DSP:

This audio co-processor is used for Automatic Speech Recognition (ASR) applications. It captures audio data from an external microphone array and outputs audio signals through its Digital-to-Analog-Converter (DAC) port.

  • I²C/SPI port:

ESP32, as an I²C master, can access slave devices via the I²C bus.

ESP32, as an SPI master, can access the DSP to read/write data via the SPI bus.

  • Earphone jack:

Used for plugging in earphones.

  • Dual speaker output port:

Supports two external speaker outputs.

  • Audio driver:

This audio power amplifier sends audio signals from the DSP to external speakers for playback.

  • DC-DC boost power supply:

This fixed-frequency DC-DC voltage booster powers the audio driver. 

  • Micro SD card:

The development board supports a Micro SD card in SPI/1-bit/4-bit modes, and can store or play audio files in the Micro SD card.

  • JTAG port:

This standard JTAG interface is compatible with the ESP32 programming board and supports debugging functions.

  • CP2102N USB-UART Chip:

An upgraded version of the CP2102 chip supports USB-to-UART conversion. 

  • Programming port:

This programming and debugging interface of ESP32 is compatible with the ESP32 programming board.

  • USB Communication Port:

This is a normal USB communication port between PC and ESP32 module. 

 

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