ATOM Echo Smart Speaker Development Kit
The M5Stack ATOM Echo is a small programmable speaker in ATOM format with an ESP32-PICO-D4, only 24 × 24 × 17 mm in size. It plays music from a smartphone or tablet via Bluetooth (A2DP). With microphone and speaker, cloud voice services can be connected, for example for simple voice control. An SK6812 RGB LED shows the status, further sensors can be added via the Grove port. M5Stack now lists the item under the name Atom Voice.
Recommended alternative, successor with ESP32-S3: ATOM EchoS3R Smart Speaker Development Kit
Features:
- ESP32 with 2.4 GHz Wi-Fi and Bluetooth, A2DP and BLE
- SPM1423 microphone and speaker with NS4168 amplifier
- Recording and playback
- SK6812 RGB LED, programmable button, IR transmitter
- HY2.0-4P Grove port with G26 and G32
- G19, G22, G23 and G33 are used for audio and must not be used for extensions
- G21 and G25 only as general I/O, no I2C and UART
- According to M5Stack, do not output DC via I2S and do not play white noise or full-scale square waves for long periods
- Programming with Arduino, ESP-IDF/ADF and UIFlow, in the Arduino IDE board «M5Atom» and M5Atom library
Application Examples:
- Bluetooth speaker
- Voice control with cloud services
- Voice assistant for Home Assistant
- Acoustic notifications in smart home projects
Documentation:
- M5Stack documentation Atom Voice / ATOM Echo
- Setting up the Arduino IDE (M5Stack)
- M5Atom library with examples (GitHub)
Technical Data:
- Manufacturer: M5Stack
- Manufacturer SKU: C008-C
- Microcontroller: ESP32-PICO-D4, 240 MHz, dual core, Wi-Fi, BLE
- Flash: 4 MB
- Speaker: 0.5 W, NS4168 amplifier via I2S
- Microphone: SPM1423, PDM
- RGB LED: SK6812 on G27
- Button: G39
- Interfaces: 1× IR transmitter, 1× function button, 1× reset button
- Grove: GND, 5 V, G26, G32
- USB: Type C
- Housing: plastic PC
- Dimensions: 24 × 24 × 17 mm
- Weight: 9 g, with packaging 15.5 g
Scope of Delivery:
- 1× ATOM Echo Smart Speaker Development Kit
ATOM Echo Smart Speaker Development Kit
- Brand: M5Stack
- Product Code: 421396
- Availability: Out Of Stock
-
CHF9.90
- Ex Tax: CHF9.16
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Tags: ATOM, Echo, M5stack, Wifi, ESP32, Speaker, Microphone, Unit, Core, NS4168, SPM1423, I2S, PICO, C008-C, Atom Voice, A2DP