ATOM Echo Smart Speaker Dev Kit

ATOM Echo Smart Speaker Dev Kit


SGD $ 19.50
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(per piece)

ATOM Echo Smart Speaker Dev Kit


For Japanese users, please order it from Switch Science @

For US users, please order it from Digi-key @

ATOM Echo  is a Programmable Smart Speaker based on the M5ATOM design. Its form factor is very small, its dimensions are only 24 * 24 * 17 mm. Music can be played using the bluetooth capabilities of the ESP32 from a mobile phone or tablet. The device could be programmed to access AWS, Baidu and other cloud platforms, using the built-in microphone and speaker for voice interaction, so that M5AtomECHO has certain AI capabilities, realizing voice control, story telling, Internet of things and other functions. The speaker is embedded with an RGB LED (SK6812), which can visually display the connection status. In addition to being used as a Bluetooth speaker, it still has the control ability of Atom series. You can connect devices through the grove interface, G21 / G25 can only be used for general I/O, they do not support I2C and UART.Screw hole on the back is convenient for users to fix. 

For more news and projects, please refer to below:


Note: This product is not recommended to play low-frequency or heavy music for a long time.

Product Features

  • Light and small
  • Support STT services
  • Based on ESP32, Support A2DP, 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 platform:Arduino、ESP-IDF/ADF


  • 1x ATOM ECHO


  • Bluetooth Speaker
  • Voice control
  • IoT


Resources Parameter
SoC ESP-PICO-D4,240MHz,Dual Core,BLE,Wi-Fi
Flash 4MB
Interface 1x IR-TX,1x Function Button,1x Reset Button
PinOut G21/G25/5V/GND, 3V3/G22/G19/G23/G33
Speaker 0.5W/NS4168 I2S
Micphone SPM1423 PDM
net weight 5g
Gross weight 10g
Product Size 24*24*17mm
Package Size 63*63*12mm
Case Material Plastic ( PC )