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Espressif ESP32-LyraTD-SYNA

Development Board

Code name: ESP32_LYRATD_SYNA
ESP32 ESPRESSIF

Espressif ESP32-LyraTD-SYNA 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-LyraTD-SYNA

The ESP32-LyraTD-SYNA is an advanced voice development board powered by the ESP32-WROVER module. It integrates Synaptics’ dual-microphone array for advanced voice processing, making it ideal for voice-controlled applications, smart assistants, and AI audio solutions. The board features Wi-Fi and Bluetooth connectivity, an audio codec, an amplifier, and multiple peripheral interfaces for seamless integration with smart home and embedded audio projects.

Where to Buy Espressif ESP32-LyraTD-SYNA

Espressif ESP32-LyraTD-SYNA

Starting from

$25 per unit

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📋 Technical Specifications

Complete technical specification details for Espressif ESP32-LyraTD-SYNA

🛰️ 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 22
Analog Input 8
PWM 6
Interrupts 16
Download Full Datasheet

Espressif ESP32-LyraTD-SYNA Pinout Diagram

Complete pin reference for Espressif ESP32-LyraTD-SYNA

Espressif ESP32-LyraTD-SYNA pinout
The ESP32-LyraTD-SYNA pinout provides multiple GPIOs optimized for audio applications. It features power pins (5V, 3.3V, and GND), UART (TX, RX), I2C (SDA, SCL), SPI (MISO, MOSI, SCK, SS), and I2S interfaces for high-quality audio processing. Dedicated microphone input and speaker output pins enable advanced voice interaction applications.

Useful Links

Datasheets and resources for Espressif ESP32-LyraTD-SYNA

Board Datasheet

Technical specifications

ESP32 Datasheet

Microcontroller reference

Pin Mappings

Complete pinout and GPIO mapping for Espressif ESP32-LyraTD-SYNA

22
Digital I/O Pins
16
Interrupt Pins
8
Analog Inputs
6
PWM Pins
PinAnalogTouchPWMOther
0A11T1PWM
1PWMTX
2A12T2PWM
3PWMRX
4A10T0PWM
5PWM
12A15T5PWM
13A14T4PWM
14A16T6PWM
15A13T3PWM
16PWM
17PWM
18PWM
19PWM
21PWM
22PWM
23PWM
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-LyraTD-SYNA

SettingValue
Bootloader toolesptool_py
Uploader toolesptool_py
Network uploader toolesp_ota
Bootloader address0x1000
Flash modedio
Boot modedio
Maximum upload size
1920 KB (1966080 bytes)
Maximum data size
320 KB (327680 bytes)
Configuration Summary

The Espressif ESP32-LyraTD-SYNA uses esptool_py for uploads , esp_ota for OTA updates, and esptool_py bootloader at 0x1000.

Flash mode: dio | Boot mode: dio

Max sketch size: 1920 KB | Max data size: 320 KB