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ESP32-C3-LYRA

ESP32-C3-LYRA

Espressif Systems
The Espressif Systems microcontroller evaluation board is a powerful tool designed for developers working with RF, RFID, and wireless applications. It features the ESP32-C3-WROOM-02 module with 4 MB of external SPI flash. Connectivity is a standout feature, offering seamless integration with a variety of devices through Bluetooth technology. The board also includes built-in audio capabilities, such as an ECM microphone, a speaker power amplifier, and a speaker connector, enabling a range of audio applications. For visual projects, it supports two types of LED strip connections—addressable LED strips and RGB LED strips—providing flexibility in lighting control. In addition, the board is equipped with infrared (IR) transmitting and receiving support, making it ideal for remote control applications.
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Overview

The ESP32-C3-LYRA is a specialized development board based on the ESP32-C3-WROOM-02 module, integrating Wi-Fi and Bluetooth 5 (LE) connectivity. It is specifically designed for audio-centric IoT applications, featuring an onboard microphone, speaker power amplifier, and various lighting control interfaces.

Why Choose This Part

The board provides a complete hardware path for audio processing, including input, amplification, and output, on a single RISC-V platform. It simplifies the integration of visual feedback and legacy IR control alongside modern 2.4GHz wireless protocols.

Applications

Smart Voice Assistants
Utilize the built-in ECM microphone and speaker connector for developing compact, cloud-connected voice interfaces.
Connected Lighting Control
Drive both addressable and RGB LED strips for smart home atmospheric lighting synchronized with audio or wireless commands.
Infrared Remote Gateways
Develop bridge devices that convert Wi-Fi or Bluetooth commands into IR signals for controlling legacy appliances.
Audio Notification Systems
Create networked alert systems that play stored or streamed audio through the integrated power amplifier.

Key Specifications

Type Transceiver; 802.11 b/g/n (Wi-Fi, WiFi, WLAN), Bluetooth 5.x (BLE)
Contents Board(s), Cable(s)
Frequency 2.4GHz
Antenna Type PCB Trace Antenna(s) On-Board
Utilized IC / Part ESP32-C3-WROOM-02

Getting Started

Developers should use the Espressif IoT Development Framework (ESP-IDF) or the Arduino IDE with the ESP32 board manager installed. Power the board via the USB-C connector and utilize the ESP-ADF (Audio Development Framework) for optimized audio streaming and playback routines.

Dev Boards

Development boards and breakout modules featuring the ESP32-C3-LYRA or compatible chips — ready to use for prototyping.

ESP32-C3-DEVKITC-02U Espressif Systems
The ESP32-C3-DEVKITC-02U transceiver evaluation board by Espressif Systems is a development tool designed for RF, RFID,
Digi-Key 123 in stock
ESP32-C3 ESP32-C Bluetooth® 5.x (BLE) Transceiver 2.4GHz Evaluation Board
Digi-Key 108 in stock
ESP32-C3-DEVKITM-1-N4X Espressif Systems
Multiprotocol Development Tools ESP32-C3-DevKitM-1 is an entry-level development board equipped with ESP32-C3-MINI-1 or
Digi-Key Mouser 934 in stock
The ESP32-C3-AWS-EXPRESSLINK-DEVKIT evaluation board from Espressif Systems is designed for a wide range of RF, RFID, a
Digi-Key Mouser 2 in stock
ESP32-C3-DevKitM-1 Espressif
Lower-cost Espressif dev kit with BLE and Wi-Fi capabilities if Wi-Fi 6 or 802.15.4 are not required.
Digi-Key 213 in stock
Part of Espressif ESP32 SoCs family » ESP32-C3

ESP32-C3 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Memory Package Interfaces Contents Frequency Antenna Type Stock
ESP32-C3-LYRA (this part) — — — Board(s), Cable(s) 2.4GHz PCB Trace Antenna(.. —
ESP32-C3-WROOM-02U-N4 4MB SMD-19 ADC, GPIO, I2C, I2.. — 2.4GHz Antenna Not Includ.. 1,055
ESP32-C3-WROOM-02-H4 4MB SMD-32 GPIO, I2C, I2S, SP.. — 2.4GHz PCB Trace 1,489
ESP32-C3-DEVKITC-02U — — — Board(s) 2.4GHz — 123
ESP32-C3-DEVKITM-1-N4X — — — Board(s) 2.4GHz — 934
ESP32-C3-MINI-1 4MB SMD-53 ADC, GPIO, I2C, I2.. — 2.412GHz PCB Trace 3,117
ESP32-C3-MINI-1U 4MB SMD-61 ADC, GPIO, I2C, I2.. — 2.4GHz Antenna Not Included 3,117
ESP32-C3-WROOM-02-N4 4MB SMD-19 GPIO, I2C, I2S, SP.. — 2.4GHz PCB Trace 2,289
ESP32-C3-AWS-ExpressLink-DevKit — — — Board(s) 2.4GHz — 2
ESP32-C3-WROOM-02 4MB SMD-19 GPIO, I2C, I2S, SP.. — 2.4GHz PCB Trace 6,393
ESP32-C3-WROOM-02U 4MB SMD-19 ADC, GPIO, I2C, I2.. — 2.4GHz Antenna Not Includ.. 6,383
Also available as: ESP32-C3-WROOM-02N, ESP32-C3-MINI-1-N4X, ESP32-C3-MINI-1-N8

Also Consider

ESP32-S3-BOX-3 Espressif Systems - Offers an integrated touch display and higher processing power for complex UI-driven audio applications.
ESP32-C3-DevKitM-1 Espressif Systems - A more basic, lower-cost prototyping board if integrated audio and LED drivers are not required.

Categories

Development Boards > Arduino & Compatible Microcontrollers > IoT & Wireless MCUs
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