M5Stack C008-C
M5Stack Atom Echo Smart Speaker Dev Kit User Manual
Model: C008-C
1. Introdución
The M5Stack Atom Echo is a compact and portable smart speaker development kit designed for voice interaction and AI capabilities. It integrates a microphone and speaker, enabling functions such as voice control and audio playback. This device is ideal for rapid prototyping in various applications including IIoT, home automation, smart retail, and STEM education.
As características principais inclúen:
- Compacto e portátil: Measuring only 24 x 24 x 17 mm, it is highly convenient for on-the-go use.
- Voice Interaction and AI Capabilities: Built-in microphone and speaker support voice control, story-telling, and integration with cloud platforms like AWS and Baidu.
- Wireless Music Playback: Utilizes ESP32's BT capabilities for seamless audio streaming from mobile devices.
- Conectividade versátil: Supports 2.4G Wi-Fi IEEE 802.11b/g/n for reliable wireless connection.
- RGB LED Status Display: An embedded SK6812 RGB LED provides visual indication of the device's operational status.

Figure 1: M5Stack Atom Echo Smart Speaker Dev Kit, a compact and portable device.
2. Compoñentes e dimensións do produto
The Atom Echo features several key components and a compact design, as detailed below.

Figure 2: Detailed component diagram of the Atom Echo, highlighting the Button (G39), RGB-LED, ESP32 PICO, IR-LED, Reset button, USB-C port, Extension Pins, M2-screw hole, and I2S.Pin.

Figure 3: Dimensions of the Atom Echo, measuring 24mm (0.94in) in width and depth, and 17mm (0.67in) in height.

Figure 4: Size comparison of the Atom Echo next to a US Quarter, illustrating its compact form factor.
3. Configuración e conectividade
The Atom Echo is designed for easy setup and versatile connectivity. It supports both Wi-Fi and Bluetooth for communication.
3.1 Acendido
Connect the Atom Echo to a 5V DC power source using the USB-C port. The device will power on automatically.
3.2 Conectividade sen fíos
The device supports 2.4G Wi-Fi (IEEE 802.11b/g/n) and Bluetooth. Specific connection procedures will depend on the firmware loaded onto the device. Refer to the official M5Stack documentation for detailed programming and connection guides.
For detailed tutorials and quick start guides, please visit the official M5Stack websitio:

Figure 5: Steps to access tutorials and quick start guides on the M5Stack website (m5stack.com).
4. Operating the Atom Echo
The Atom Echo is primarily operated through its programmable button and voice commands, depending on the loaded application.
4.1 Interacción de voz
The built-in microphone allows for voice input. Depending on the programmed functionality, you can use voice commands for control, ask questions, or interact with AI services.
4.2 Reprodución de audio
The integrated speaker enables audio output. This can be used for playing music wirelessly via Bluetooth, delivering voice responses, or playing system notifications.
4.3 RGB LED Indicator
The RGB LED (SK6812) provides visual feedback on the device's status, such as connection status, active listening mode, or error indications. The specific color patterns and their meanings are defined by the loaded firmware.

Figure 6: Key features of the Atom Echo, including support for STT services, RGB LED status display, compact and lightweight design, and a GROVE expansion interface.

Figura 7: Examples of Atom Echo applications, including use as a wireless speaker, for voice control, and in Internet of Things (IoT) projects.
5. Mantemento
The M5Stack Atom Echo requires minimal maintenance. Keep the device clean and free from dust and moisture.
- Limpeza: Usa un pano suave e seco para limpar o exterior do dispositivo. Non empregues produtos de limpeza líquidos nin disolventes.
- Almacenamento: Garda o dispositivo nun lugar fresco e seco cando non estea en uso.
- Condicións ambientais: Evite expoñer o dispositivo a temperaturas extremas, luz solar directa ou humidade elevada.
6 Solución de problemas
If you encounter issues with your Atom Echo, consider the following common troubleshooting steps:
- O dispositivo non se acende:
- Ensure the USB-C cable is securely connected to both the device and a working 5V power source.
- Proba cun cable USB-C ou adaptador de corrente diferente.
- Sen saída de audio:
- Verify that the device is properly programmed to output audio.
- Check the volume settings within your application or connected device.
- Ensure the speaker is not physically obstructed.
- O micrófono non responde:
- Confirm that the microphone functionality is enabled and correctly configured in your firmware.
- Ensure there are no physical obstructions covering the microphone.
- Test in a quiet environment, as excessive background noise can affect performance.
- Problemas de conectividade (Wi-Fi/Bluetooth):
- Ensure the device is within range of your Wi-Fi router or Bluetooth device.
- Verify Wi-Fi credentials or Bluetooth pairing status in your firmware.
- Restart the Atom Echo and your router/Bluetooth device.
- Comportamento inesperado:
- Perform a soft reset using the reset button if available, or by power cycling the device.
- Review your loaded firmware for any programming errors or conflicts.
- Consult the M5Stack official documentation and community forums for specific programming and debugging assistance.
7. Especificacións
Detailed technical specifications for the M5Stack Atom Echo:

Figura 8: Máisview of the Atom Echo's key specifications.
| Especificación | Valor |
|---|---|
| Vol. De entradatage | 5 voltios (DC) |
| Tipo de montaxe | Soporte de parede |
| Material | Plástico |
| Nome do modelo | Atom Echo |
| Tipo de altofalante | Multimedia |
| Característica especial | Programable |
| Usos recomendados | Smart Speaker Development Kit |
| Dispositivos compatibles | Smartphone, Tablet |
| Número de unidades | 1.0 Conta |
| Tipo de controlador | Botón |
| Configuración da canle de son envolvente | 2.0 |
| Cor | Branco |
| Compoñentes incluídos | 1x ATOM ECHO |
| Dimensións do produto | 0.94" D x 0.94" W x 0.67" H |
| Franxa de idade (descrición) | Todas as idades |
| É Impermeable | Falso |
| Tipo de garantía | Limitado |
| Número de elementos | 1 |
| Método de control | Voz |
| Tecnoloxía de comunicación sen fíos | Bluetooth, WiFi |
| Tamaño do altofalante | 16 milímetros |
| Fonte de enerxía | USB-C |
| Diámetro do woofer | 40.2 milímetros |
| Nivel de resistencia á auga | Non resistente á auga |
| Tipo de paquete do cliente | FFP |
| Tipo de controlador de audio | Driver dinámico |
| Alcance Bluetooth | 10 metros |
| Número de micrófonos | 1 |
| Tecnoloxía de conectividade do subwoofer | Sen fíos |
| Protocolo de conectividade | Bluetooth, Wi-Fi, USB |
| Inclúe reprodutor de MP3? | Non |
| Número de circuítos | 1 |
| Número de niveis de potencia | 1 |
| Número de procesadores | 1 |
| Fabricante | M5Stack Technology Co., Ltd. |
| Peso do elemento | 1.13 onzas |
| Número de modelo do artigo | C008-C |
| Data de primeira dispoñibilidade | 12 de xuño de 2023 |
| País de Orixe | China |
| Marca | M5Stack |
| Potencia de saída máxima do altofalante | 0.5 vatios |
| Resposta en frecuencia | 240 Hz |
| Tecnoloxía de conectividade | Bluetooth, Wi-Fi, USB, IR |
| Modo de saída de audio | Mono |
8. Que hai na caixa
The M5Stack Atom Echo package includes the following items:
- 1x ATOM ECHO unit

Figure 9: Visual representation of the Atom Echo unit included in the package.
9. Garantía e soporte
The M5Stack Atom Echo comes with a limited warranty. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or visit the official M5Stack websitio.
For technical support, additional resources, and community forums, please visit the M5Stack official websitio:
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