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Atom VoiceS3R - programmable speaker - ESP32 - M5Stack C126-ECHO
The Atom VoiceS3R (formerly Atom EchoS3R) is a compact and powerful IoT module for voice interaction , based on the ESP32-S3 with 8MB of Flash and 8MB of PSRAM . Equipped with the ES8311 audio codec, a MEMS microphone, and an NS4150B amplifier , it provides high-quality audio recording and playback. Its 2.4GHz WiFi connectivity and extensive pinout make it ideal for voice assistants, smart home systems, and HMI projects.
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Product description: Atom VoiceS3R - programmable speaker - ESP32 - M5Stack C126-ECHO
The Atom VoiceS3R is a programmable IoT controller for voice interaction , designed for intelligent voice control and human-computer interaction scenarios. Built on the ESP32 -S3-PICO-1-N8R8 chip, it supports 2.4 GHz WiFi wireless connectivity and is equipped with 8 MB of Flash and 8 MB of PSRAM , providing excellent performance and flexibility for application development. The audio system, based on the ES8311 mono codec, a high-sensitivity MEMS microphone , and an NS4150B power amplifier , enables clear voice pickup and high sound quality, improving speech recognition and interaction. It is ideal for voice interaction scenarios such as AI voice assistants and smart home control.
Atom VoiceS3R - programmable speaker - ESP32 - M5Stack C126-ECHO.
Botland is an official distributor of the M5Stack module family in Poland. We have extended this system of stackable functional devices with accessories from our range and numerous blog guides. All M5Stack products presented here are original.
Additional modules can be connected using the Grove interface.
Atom VoiceS3R Main Features
- Powerful ESP32-S3-PICO-1-N8R8 chip : Provides high computing power with a dual-core LX7 processor clocked at up to 240 MHz, enabling smooth processing of voice commands
- Expanded 8 MB Flash and 8 MB PSRAM memory : allows for more complex audio models and extended IoT projects
- ES8311 audio codec : offers 24-bit audio processing and clear, low-noise playback
- Highly sensitive MEMS microphone : high signal-to-noise ratio (65 dB) enables precise speech capture even in difficult acoustic conditions
- Built-in NS4150B amplifier and 1W speaker : provide clear and loud sound playback
- 2.4 GHz WiFi connectivity : enables integration with online services, voice controls and communication in IoT systems
- Built-in infrared transmitter : allows you to control IR devices such as TVs, air conditioners and electronics
- Compact dimensions of 24 x 24 x 16.8 mm : allows for easy integration into enclosures, portable devices and DIY projects
- Support for multiple development environments : Arduino, UiFlow2, ESP-IDF and PlatformIO give you complete freedom to create
Pinouts and compatibility
The Atom VoiceS3R offers a wide range of pinout options for integration with a variety of components. Thanks to GPIO, I2S, and expansion connectors , it can interface with other IoT modules and systems, making it a versatile solution for projects requiring expansion. Additionally, Atom VoiceS3R is compatible with popular development platforms , making integration with existing IoT systems and device control quick and intuitive.
Module programming
Atom VoiceS3R supports a variety of development environments, making it suitable for a wide range of applications. The ability to program in popular environments like Arduino IDE , UiFlow2 , ESP-IDF , and PlatformIO allows for flexibility in tool selection. Support for both traditional coding methods and graphical platforms allows you to create everything from simple prototypes to more advanced interactive applications, such as AI voice assistants.
The VoiceS3R atom can be used in systems using voice control.
The module has a USB type C connector.
Differences from Atom Voice
The Atom VoiceS3R differs from the standard Atom Voice in terms of memory, audio quality, and performance. Equipped with 8 MB of PSRAM and 8 MB of Flash, the Atom VoiceS3R offers higher performance , allowing it to support more advanced applications. Additionally, the Atom VoiceS3R offers improved audio components , such as the ES8311 codec and a MEMS microphone with a higher signal-to-noise ratio , which translates to better speech recognition and higher audio quality than the Atom Voice. These improvements make the Atom VoiceS3R suitable for more advanced applications, such as integration with AI voice assistants and smart home control systems.
Atom VoiceS3R Technical Specifications
- Controller: ESP32-S3-PICO-1-N8R8 @ dual-core Xtensa LX7, up to 240MHz
- PSRAM memory: 8 MB
- Flash memory: 8 MB
- Power supply: DC 5V
- Audio coding: ES8311, 24-bit resolution, I2S protocol
- Microphone: MEMS, SNR: 65 dB
- Speaker: Amplifier NS4150B + speaker 8Ω @ 1W 1318
- Operating temperature range: 0°C to 40°C
- Dimensions: 24 x 24 x 16.8 mm
- Weight: 9.3 g
Contents of the set
- 1x Atom VoiceS3R
Programmable speaker based on the M5Atom module.
Useful links
| Name | Value |
|---|---|
| Voltage output from | 5.0 V |
| Output voltage to | 5.0 V |
| UC - Microcontroller |
|
| UC - Core | Tensilica Xtensa LX7 |
| UC - Flash | 8 MB |
| UC - RAM |
|
| UC - core | 2. Dual Core |
| UC - freq | 240 MHz |
| UC - A/C | 12-bit |
| UC - WiFi | yes |
| UC - USB | USB C |
| UC - UART | yes |
| UC - Connector | USB typ C |
| Width | 6.6 cm |
| Height | 8.5 cm |
| Depth | 1.8 cm |
| Weight | 0.016 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
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If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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