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M5Stack ATOM Echo Programmable smart speaker development kit
If you are interested in more details, you can find full information on the seller's page.
€18.41
Last price update: 10/20/26
Available to order
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United States
United States
Available
Product details
Features
- Wi-Fi and BLE connectivity; speaker rated at 0.8 W (NS4168), SPM1423 PDM microphone, SK6812 RGB LED, and 1 IR TX.
- Can stream music via ESP32 wireless functions to a phone, tablet, or other device, or play designated streaming media over Wi-Fi; voice commands are supported when dedicated firmware is flashed.
- GROVE port for connecting external devices; M2 screw hole on the back facilitates mounting.
- One button and one reset button. G19, G22, G23, and G33 are predefined; do not reuse these pins, or the Atom Echo may be damaged.
- ESP32 PICO D4 SoC with a 240 MHz dual-core processor and 4 MB flash memory.
The M5Stack ATOM Echo is a programmable smart speaker development kit with an ESP32 PICO D4 SoC, Wi-Fi and BLE connectivity, speaker, microphone, RGB LED, and IR transmitter. It can stream music or play designated streaming media; voice commands require dedicated firmware to be flashed. External devices connect through the GROVE port.
Product size: 24 x 24 x 17 mm; product weight: 5 g. Package size: 85 x 65 x 17 mm; gross weight: 10 g. Its pinout is G21, G25, 5V, GND, 3V3, G22, G19, G23, G33; predefined pins G19, G22, G23, and G33 must not be reused, or the Atom Echo may be damaged.
General specs
- Brand: M5Stack
- Model: ATOM Echo
- Seller: Banggood
- ID: 2048623
- SoC: ESP32 PICO D4
- Brand: M5Stack
- Pinout: G21, G25, 5V, GND, 3V3, G22, G19, G23, G33
- Buttons: 1 button and 1 reset button
- RGB LED: SK6812
- Speaker: 0.8 W; NS4168
- Microphone: SPM1423; PDM
- Model Name: ATOM Echo
- Flash Memory: 4 MB
- Gross weight: 10 g
- Package Size: 85 x 65 x 17 mm
- Product size: 24 x 24 x 17 mm
- Product Type: Programmable smart speaker development kit
- Product Weight: 5 g
- Predefined pins: G19, G22, G23, and G33 have been predefined; do not reuse these pins, otherwise the Atom Echo may be damaged.
- Processor Cores: Dual core
- Mounting feature: M2 screw hole on the back facilitates mounting.
- Enclosure Material: Plastic; PC
- Processor Frequency: 240 MHz
- Infrared transmitter: 1 x IR TX
- Wireless Connectivity: Wi-Fi; BLE
- Audio and voice features: Can stream music via ESP32 wireless functions to a phone, tablet, or other device, or play designated streaming media over Wi-Fi; supports issuing voice commands when dedicated firmware is flashed.
- External device connection: External devices can be connected through the GROVE port.
- First listed by seller: October 20, 2026
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| Brand | M5Stack | M5Stack | RIVA | Bose | WiiM | |
| Model | ATOM Echo | CardKB2 | ESP32 S3 | RIVA Concert | 808429-1100 | WiiM Sound |
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| Rating |
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| Price | €18.41 | €15.34 | €82.70 | €195.25 | €254.99 | €266.58 |
| Seller | Banggood | Banggood | Banggood | Retailer | Retailer | Retailer |
| Update | Oct 26, 2026 | Oct 26, 2026 | May 9, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 |
| Weight | 1360.78 | 948 | 5.5 | |||
| Dimensions | 127, 177.8, 127 | 142, 161, 102 | 5.77, 7.62, 5.77 | |||
| Connectivity | Bluetooth, Wired | Bluetooth | Wi-Fi, Bluetooth | |||
M5Stack ATOM Echo
€18.41
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