Espressif ESP32-LyraT Development Board Pinout and Technical Specifications
Code name: ESP32_LYRAT
Manufacturer: Espressif
Espressif ESP32-LyraT development board is based on esp32 microcontroller and uses xtensa architecture. This development board has a maximum CPU frequency of 240 MHz and a flash size of 4MB.
🔗 Quick Links
🛒 Price
📝 Espressif ESP32-LyraT Description
The ESP32-LyraT is a development board designed for audio applications. It features an ESP32-WROVER module with Wi-Fi and Bluetooth connectivity, an onboard audio codec (ES8388), and an SD card slot. The board supports AEC, noise reduction, and voice recognition, making it ideal for smart audio projects such as voice assistants, smart speakers, and audio streaming applications.
📊 Espressif ESP32-LyraT Specs
Below you can find the specifications of Espressif ESP32-LyraT, such as features, connectivity options, and Espressif ESP32-LyraT technical specs.
✨ Features
- 26 digital IO pins
- 16 external interrupt pins
- 12 analog input pins
- 10 PWM pins
🛰️ Connectivity
- WiFi: 802.11 b/g/n (2.4 GHz)
- Bluetooth: 4.2
- BLE: 4.2
📐 Technical specs
| Microcontroller | esp32 |
| Clock Speed | 240 MHz |
| Flash size | 4MB |
| Architecture | xtensa |
🔌 Espressif ESP32-LyraT Pinout
The ESP32-LyraT pinout includes multiple GPIOs for audio-related applications. It provides power pins (5V, 3.3V, and GND), UART (TX, RX), I2C (SDA, SCL), and SPI (MISO, MOSI, SCK, SS) for peripheral communication. It also features dedicated I2S interfaces for audio data transmission and supports PWM and ADC functions.
🗺️ Espressif ESP32-LyraT Pins Mapping Arduino IDE
Below you can find the Espressif ESP32-LyraT pinout. This development board provides 26 digital IO pins, out of which 16 can be used as an external interrupt pins , 12 as analog input pins and 10 pins have Pulse-Width Modulation (PWM) .
| 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 | |
| 34 | A6 | |||
| 35 | A7 |
🛠️ Default Tools
| Bootloader tool | esptool_py |
| Uploader tool | esptool_py |
| Network uploader tool | esp_ota |
| Bootloader address | 0x1000 |
| Flash mode | dio |
| Boot mode | dio |
| PSRAM type | |
| Maximum upload size | 1920 Kb (1966080 B) |
| Maximum data size | 320 Kb (327680 B) |
The Espressif ESP32-LyraT development board by default uses esptool_py uploader tool, esp_ota network uploader tool for Over-the-air (OTA) uploads and esptool_py bootloader tool. The bootloader starts at address "0x1000". Flash mode and boot mode for Espressif ESP32-LyraT development board by default is dio and dio respectively.
