Espressif ESP32-LyraT-Mini

Development Board

Code name: ESP32_LYRAT_MINI

Espressif ESP32-LyraT-Mini is a development board based on the ESP32 microcontroller using XTENSA architecture.

This board features a maximum CPU frequency of 240 MHz and 4MB flash memory.

About Espressif ESP32-LyraT-Mini

The ESP32-LyraT-Mini is a compact development board designed for audio applications. It features an ESP32-WROVER module with built-in Wi-Fi and Bluetooth, an ES7243 audio ADC, and an ES8311 audio codec. The board is ideal for voice interaction applications such as smart speakers and voice-controlled devices. It supports I2S, UART, I2C, and SPI for seamless integration with various peripherals.

Where to Buy Espressif ESP32-LyraT-Mini

Starting from

$18 per unit

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📋 Technical Specifications

Complete technical specification details for Espressif ESP32-LyraT-Mini

🛰️ Connectivity

WiFi 802.11 b/g/n (2.4 GHz)

Bluetooth 4.2

BLE 4.2

🧠 Microcontroller

Model esp32

Clock Speed 240 MHz

Flash Size 4MB

Architecture xtensa

✨ Features & Pins

Digital IO 24

Analog Input 10

PWM 8

Interrupts 16

Download Full Datasheet

Espressif ESP32-LyraT-Mini Pinout Diagram

Complete pin reference for Espressif ESP32-LyraT-Mini

The ESP32-LyraT-Mini pinout includes multiple GPIOs optimized for audio processing. It provides power pins (5V, 3.3V, and GND), UART (TX, RX), I2C (SDA, SCL), SPI (MISO, MOSI, SCK, SS), and dedicated I2S interfaces for audio applications. The board supports PWM, ADC, and DAC functions, making it versatile for embedded audio projects.

Useful Links

Datasheets and resources for Espressif ESP32-LyraT-Mini

Board Datasheet

Technical specifications

ESP32 Datasheet

Microcontroller reference

Pin Mappings

Complete pinout and GPIO mapping for Espressif ESP32-LyraT-Mini

Digital I/O Pins

Interrupt Pins

Analog Inputs

PWM Pins

Pin	Analog	Touch	PWM	Other
0	A11	T1	PWM
1			PWM	TX
2	A12	T2	PWM
3			PWM	RX
4	A10	T0	PWM
5			PWM
12	A15	T5	PWM
13	A14	T4	PWM
14	A16	T6	PWM
15	A13	T3	PWM
16			PWM
17			PWM
18			PWM
19			PWM
21			PWM
22			PWM
23			PWM
25	A18		PWM	DAC1
26	A19		PWM	DAC2
27	A17	T7	PWM
32	A4	T9	PWM
33	A5	T8	PWM

Legend

A0 Analog input

T0 Touch sensor

PWM PWM capable

RX/TX Serial pins

LED Built-in LED

# Pin number

Default Tools & Configuration

Build and upload settings for Espressif ESP32-LyraT-Mini

Setting	Value
Bootloader tool	esptool_py
Uploader tool	esptool_py
Network uploader tool	esp_ota
Bootloader address	`0x1000`
Flash mode	dio
Boot mode	dio
Maximum upload size	1920 KB (1966080 bytes)
Maximum data size	320 KB (327680 bytes)