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1.1 ESP32-LyraT V4.3 Getting Started Guide
This guide provides users with functional descriptions, configuration options for ESP32-LyraT V4.3 audio develop-
ment board, as well as how to get started with the ESP32-LyraT board. Check section
, if you
have different version of this board.
The ESP32-LyraT is a hardware platform designed for the dual-core ESP32 audio applications, e.g., Wi-Fi or BT
audio speakers, speech-based remote controllers, smart-home appliances with audio functionality(ies), etc.
1.1.1 What You Need
• 1 ×
• 2 x 4-ohm speakers with Dupont female jumper wires or headphones with a 3.5 mm jack
• 2 x Micro-USB 2.0 cables, Type A to Micro B
• 1 × PC loaded with Windows, Linux or Mac OS
If you like to start using this board right now, go directly to section
Overview
The ESP32-LyraT V4.3 is an audio development board produced by
built around ESP32. It is intended for
audio applications, by providing hardware for audio processing and additional RAM on top of what is already onboard
of the ESP32 chip. The specific hardware includes:
•
ESP32-WROVER Module
•
Audio Codec Chip
• Dual
Microphones
on board
•
Headphone
input
•
2 x 3-watt Speaker
output
• Dual
Auxiliary Input
•
MicroSD Card
slot (1 line or 4 lines)
•
Six buttons
(2 physical buttons and 4 touch buttons)
•
JTAG
header
• Integrated
USB-UART Bridge Chip
• Li-ion
Battery-Charge Management
The block diagram below presents main components of the ESP32-LyraT and interconnections between components.
Components
The following list and figure describe key components, interfaces and controls of the ESP32-LyraT used in this guide.
This covers just what is needed now. For detailed technical documentation of this board, please refer to
and
(PDF).
ESP32-WROVER Module
The ESP32-WROVER module contains ESP32 chip to provide Wi-Fi / BT connectivity
and data processing power as well as integrates 32 Mbit SPI flash and 32 Mbit PSRAM for flexible data storage.
4
Chapter 1. Get Started
Summary of Contents for ESP32-LyraT
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