M5Stack C008-C Atom Echo Development Tool

M5Stack C008-C Atom Echo Development Tool is a programmable smart speaker based on the M5ATOM design. The C008-C atom echo development tool plays music using bluetooth capabilities of the ESP32 from a mobile phone or tablet. This tool could be programmed to access AWS, Baidu, and other cloud platforms, using the built-in microphone and speaker for voice interaction. The C008-C atom echo should avoid playing white noise for a long time and full square-wave audio. This development tool comes with a very small form factor and its dimensions are 24mm x 24mm x 17mm.

The C008-C atom echo features a built-in microphone and speaker, RGB LED status display indication, GROVE extension interface, record and playback, and programmable key. This development tool is suitable for Bluetooth^® speakers, voice control, and IoT applications.

Features

Light and small
Support STT services
Based on ESP32, support A2DP, and BLE 4.0
2.4G WiFi IEEE 802.11b/g/n
Built-in microphone and speaker
RGB LED status display indication
GROVE extension interface
Record and playback
Programmable key
Programming platforms Arduino and ESP-IDF/ADF

Conditions to be avoided with M5Stack atom echo:
- DC output from I²S channel
- Playing white noise for a long time
- Playing full square-wave audio

Specifications

ESP-PICO-D4, 240MHz, dual core, BLE, and Wi-Fi System-on-Chip (SoC)
1x IR-TX, 1x function button, and 1x reset button interfaces

4MB flash memory
0.5W/NS4168 I²S speaker

Applications

Bluetooth speaker
Voice control
IoT

M5Stack C008-C Atom Echo Development Tool

Features

Specifications

Applications

Schematic

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