ESP32-C3-Lyra V2.0 is a highly integrated audio and lighting control development board that combines the powerful processing capabilities, wireless connectivity, audio, and lighting control features of the ESP32-C3 into a single platform. It provides developers with a one-stop solution for creative IoT audio and lighting applications.
Whether for commercial product development or maker projects, it enables rapid implementation of audio–lighting interaction and is an ideal choice for IoT audio and lighting applications.
Positionnement et architecture de base
| Article | Détails |
|---|---|
| Type de produit | Audio and lighting control development board (pas un module autonome, mais une plateforme de développement entièrement intégrée) |
| Core Chip | ESP32-C3-WROOM-02 module (single-core 32-bit RISC-V processor, jusqu'à 160 MHz) |
| Configuration de la mémoire | 4 MB external SPI Flash (facultatif 8 MB in some versions) |
| Capacité sans fil | 2.4 Wi-Fi GHz (802.11 b/g/n) + Bluetooth 5.0 (BLE) connectivité bimode |
| Alimentation | USB Type-C 5V power input, prend en charge l'alimentation externe |
2. Caractéristiques matérielles en détail
1. Audio System Components
- ECM Electret Microphone: Built-in high-sensitivity microphone for voice capture and ambient sound detection
- Audio Amplifier Circuit: Integrated Class AB audio amplifier, supports driving 8Ω / 3W speakers
- Speaker Interface: 3.5 mm audio jack for direct connection to standard speakers
- I2S Audio Interface: Supports external high-performance audio codecs for expanded audio capabilities
2. Lighting Control Interfaces
- Addressable LED Strip Interface: Supports WS2812/WS2813 and other single-wire LED strips, precisely controlled via the RMT peripheral
- RGB LED Strip Interface: Supports traditional RGB LED strips, with PWM-based color and brightness control
- LED Driving Capability: Up to 3A current output, capable of driving multiple LED strips directly
3. Interfaces d'extension et de contrôle
| Type d'interface | Description de la fonction |
|---|---|
| IR Transceiver Module | Supports IR remote signal transmission and reception for controlling traditional appliances |
| Boutons de fonction | 2 user-programmable buttons (Lecture/Pause, Mode Switching), 1 Bouton de réinitialisation |
| GPIO Expansion | Multiple reserved GPIO pins for connecting sensors and actuators |
| USB Type-C | Used for power, programmation, and debugging, with integrated USB Serial/JTAG functionality |
4. Autres fonctionnalités matérielles
- Antenne PCB intégrée, no external antenna required
- Power indicator LED, status indicator LED, and user LED
- Overcurrent protection circuit to ensure safe operation

3. Support logiciel et environnement de développement
1. Cadres de développement officiels
- ESP-ADF (Cadre de développement audio): Designed for audio applications, providing complete audio processing components (codec, effets, contrôle de lecture)
- ESP-IDF (Cadre de développement IoT): Core development framework supporting Wi-Fi, Bluetooth, et pilotes de périphériques
- ESP-Skainet: Supports offline speech recognition, enabling local voice control without internet connectivity
2. Support de développement tiers
- Prise en charge Arduino, MicroPython, CircuitPython, and other development platforms
- Rich open-source libraries for rapid implementation of audio playback, contrôle de l'éclairage, et connectivité Wi-Fi
- Prise en charge Mises à jour du micrologiciel OTA for easy maintenance and feature iteration
4. Scénarios d'application typiques
1. Smart Audio Broadcasting Devices
- Smart home voice assistant: Offline voice control of home appliances with voice prompts
- Industrial alarm systems: Detect abnormal conditions and play custom alarm messages
- Public announcement devices: Scheduled playback of notifications, advertisements, or background music
2. Music-Responsive Lighting Products
- Music-reactive LED strips: Automatically change color and brightness with music rhythm
- Ambient lighting controllers: Adjust lighting effects based on ambient sound or music style
- Stage lighting controllers: Low-cost lighting solutions for small stages or parties
3. Smart Home Integration Hub
- Voice control + lighting + appliance integrated control terminal
- Sound monitoring + automatic lighting system (par ex., lights turn on when sound is detected)
- IR + Wi-Fi + Bluetooth multi-protocol smart home gateway
4. Creative Electronics Projects
- DIY smart speaker with speech recognition and lighting effects
- Sound visualization devices converting audio signals into dynamic lighting patterns
- Pet interactive toys using sound and lighting to attract pets












