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ESP32-LYRAT-MINI

ESP32-LYRAT-MINI

Espressif Systems
The ESP32-LyraT-MINI Evaluation Board by Espressif Systems is a development platform designed for mono audio and wireless communication applications. Powered by the ESP32-WROVER-B module, it supports 802.11 b/g/n Wi-Fi and Bluetooth® Smart Ready 4.x Dual Mode (BLE) at 2.4GHz, making it perfect for IoT and smart device projects. This evaluation board features a range of GPIO ports, offering flexibility for interfacing with external peripherals and sensors. Additionally, the ESP32-LyraT V4.3, built around the ESP32 chip, enhances audio applications by providing extra RAM and hardware for audio processing. It integrates the ESP32-WROVER-E Module, an audio codec chip, dual microphones, headphone output, speaker outputs, and a microSD card slot.
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Overview

The ESP32-LyraT-MINI is a compact audio development board powered by the ESP32-WROVER-B module, designed for mono audio processing and wireless communication. It integrates an audio codec, dual microphones, and a headphone output to simplify the development of voice-controlled IoT devices. The board supports 802.11 b/g/n Wi-Fi and Bluetooth Dual Mode connectivity for versatile streaming and control applications.

Why Choose This Part

The board features built-in lithium battery charging management and a microSD card slot, making it suitable for portable audio applications. It provides high integration by combining a dual-mode Bluetooth/Wi-Fi module with a dedicated audio codec and 12-bit ADC channels for sensor interfacing.

Applications

Smart Speakers
Ideal for developing low-power voice assistants and smart speakers using integrated microphones and Wi-Fi.
Audio Streaming Devices
Enables wireless audio playback and streaming via Bluetooth or Wi-Fi for networked audio systems.
Voice-Activated Controls
Provides the hardware foundation for home automation hubs that require voice command recognition.
IoT Communication Hubs
Utilizes 400KB RAM and 4MB Flash to manage complex networking tasks alongside audio processing.

Key Specifications

Type Transceiver; 802.11 b/g/n (Wi-Fi, WiFi, WLAN), Bluetooth Smart Ready 4.x Dual Mode (BLE)
Contents Board(s)
Frequency 2.4GHz
Utilized IC / Part ESP32-WROVER-B

Getting Started

Developers should use the Espressif IoT Development Framework (ESP-IDF) along with the ESP-ADF (Audio Development Framework) for specific audio processing tasks. The board connects via a standard USB interface for flashing and debugging, and it supports peripherals like I2C and SPI for expanding system functionality.

Dev Boards

Development boards and breakout modules featuring the ESP32-LYRAT-MINI or compatible chips — ready to use for prototyping.

Multiprotocol Development Tools XIAO ESP32C3 3PCS Pack - RISC-V tiny MCU board with Wi-Fi and Bluetooth5.0, battery char
Mouser 57 in stock
Cameras & Camera Modules OV5640 Camera for XIAO ESP32S3 Sense (With Heat Sink) 8/10-bit RGB RAW Output, Auto-Focus
Mouser 90 in stock
Sequent SM-A-006 Daughter Card Kit Sequent Microsystems
Daughter Cards & OEM Boards Arduino Uno, Nano, Teensy, Feather or ESP32 Raspberry Pi Replacement Kit
WiFi Development Tools - 802.11 Adafruit HUZZAH32 – ESP32 Feather Board (pre-soldered)
Mouser 139 in stock
The Arduino Nano ESP32-S3 (ABX00083) is an advanced microcontroller platform featuring the powerful Xtensa® processor co
Digi-Key Mouser 3,289 in stock

Categories

Audio & Video > Audio Codecs & DACs IoT & Smart Devices > Smart Home & Building