M5Stack Atom EchoS3R Smart Speaker Dev Kit
📦 Location of the warehouse: China
🚚 We will ship your order within 1-3 working days after the order is taken.
Free Shipping from 30€ in Germany, 50€ in the EU!
- EU & US Countries Delivery Time: 5~10 working days.
- Other Countries Delivery Time: 2~2.5 weeks.
- Pre-Ordering: If an item is unavailable, you can pre-order it. We'll dispatch once stock is replenished. For specific delivery times, please feel free to contact us for inquiries.
- Express Shipping: Need it faster? Contact us via email or through our live chat support, and we'll arrange expedited delivery for you.
M5Stack Atom EchoS3R Smart Speaker Dev Kit
The Atom EchoS3R Smart Speaker Dev Kit is a compact, programmable IoT voice interaction controller designed for intelligent voice control and human-computer interaction. Powered by the ESP32-S3-PICO-1-N8R8 dual-core processor, it supports 2.4GHz Wi-Fi connectivity and integrates 8MB Flash + 8MB PSRAM, delivering excellent performance and scalability for diverse application development.
Its professional audio system—featuring an ES8311 mono codec, high-sensitivity MEMS microphone, and NS4150B power amplifier—ensures clear voice capture and high-fidelity audio output, making it ideal for AI voice assistants, smart home control, and IoT innovation.
⚙️ Key Features
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High-performance SoC: ESP32-S3 dual-core Xtensa LX7 @ 240MHz
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Ample storage: 8MB Flash + 8MB PSRAM for complex applications
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Professional audio: ES8311 codec + MEMS microphone (65dB SNR)
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High-quality sound: NS4150B amplifier + 8Ω@1W speaker
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Infrared transmitter: Built-in IR for device control
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Expandable interfaces: Flexible pinouts for peripheral integration
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Multi-platform support: Arduino, UiFlow2, ESP-IDF, PlatformIO
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Compact design: Only 24 × 24 × 16.8 mm, 9.3 g
📊 Technical Specifications
| Parameter | Details |
|---|---|
| SoC | ESP32-S3-PICO-1-N8R8, Dual-core Xtensa LX7, up to 240MHz |
| Memory | 8MB Flash + 8MB PSRAM |
| Audio Codec | ES8311, 24-bit resolution, I2S protocol |
| Microphone | MEMS mic, 65dB SNR |
| Speaker | NS4150B amplifier + 8Ω@1W speaker |
| Power Input | DC 5V |
| Dimensions | 24.0 × 24.0 × 16.8 mm |
| Weight | 9.3 g |
| Operating Temp | 0 ~ 40°C |
💡 Application Scenarios
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AI Voice Assistants – Build personalized voice-enabled devices
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Smart Home Control – Voice control for lighting, appliances, and security
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IoT Development – Rapid prototyping and product deployment
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Education & Research – Embedded AI and voice recognition projects
📊 Atom EchoS3R vs Atom Echo
| Feature | Atom EchoS3R | Atom Echo |
|---|---|---|
| SoC | ESP32-S3-PICO-1-N8R8 (Dual-core Xtensa LX7, up to 240MHz) | ESP32-PICO-D4 |
| Flash | 8MB | 4MB |
| PSRAM | 8MB | None |
| Audio Solution | ES8311 codec + NS4150B amplifier | NS4168 amplifier + SPM1423 mic |
| Microphone | MEMS microphone (65dB SNR) | SPM1423 microphone |
| Speaker | NS4150B amplifier + 8Ω@1W speaker | Built-in speaker |
| Infrared Transmitter | ✅ Integrated | ❌ Not available |
| RGB LED | ❌ None | ✅ WS2812 x1 |
| Development Platforms | Arduino, UiFlow2, ESP-IDF, PlatformIO | Arduino, UiFlow, ESP-IDF |
| Dimensions | 24 × 24 × 16.8 mm | Similar (slightly different) |
| Weight | 9.3 g | Slightly lighter |
📘 Tutorials & Development Resources
Atom EchoS3R is not just hardware—it comes with comprehensive tutorials and software support to help developers get started quickly:
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Arduino IDE Quick Start – Step-by-step guide to program and control Atom EchoS3R.
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XiaoZhi Voice Assistant – Build your own personal voice assistant by flashing firmware via M5Burner.
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M5Unified & M5GFX Libraries – Official libraries for graphics and unified device management.
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PlatformIO Environment – Pre-configured settings for seamless development.
👉 These resources make it easy for beginners and professionals alike to bring their IoT voice projects to life.
🔧 Easy Firmware Flashing
Entering Download Mode is simple:
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Press and hold the reset button for ~2 seconds until the internal green LED lights up.
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Release the button—the device is now ready for firmware flashing.
This streamlined process ensures fast prototyping and easy updates for developers.
1. General Shipping Information
- We provide premium shipping methods with a tracking number for each order.
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Shipping address should be input in English without any special symbols to help the courier company recognize your address in the system. We will ship according to the shipping address you provided. Please notify us of any address change before your order is marked "Shipped" to avoid parcel loss.
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Please contact our customer service staff immediately if you need to cancel or change an order. Once your order has reached "Shipped" status, it can no longer be canceled or changed in any way. To avoid complications, please recheck your shopping cart before checkout.
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We can ship all in-stock orders within 1 business day as your order has been confirmed.
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All items are inspected before dispatch and are carefully hand-packed.
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With standard courier practice, you need to check the contents of the parcel before signing for your goods. Otherwise, we will not be held responsible for any damage that may have occurred in transit.
2. Shipping Options for Germany, EU* countries and US
(For Products in Munich Warehouse, Long Beach Warehouse)
2.1 Orders with a value not exceeding €5:
Shipping Options:
| Shipping Options | Germany | EU* |
|---|---|---|
|
Deutsche Post |
€6 Arrive in 3-4 Business Days |
€15 Arrive in 5-9 Business Days |
| Shipping Options | Continental U.S. | Non-Continental U.S. |
|---|---|---|
|
USPS Ground Advantage |
€7.95 Arrive in 3-7 Business Days |
€8.95 Arrive in 5-9 Business Days |
|
UPS Express |
€13.95 Arrive in 2-4 Business Days |
€17.95 Arrive in 3-7 Business Days |
2.2 Shipping options for an order value between €5 and €30 inside Germany, €5 and €50 inside the EU, or €5 and €45 in the U.S.:*
Shipping Options:
| Shipping Options | Germany | EU* |
|---|---|---|
|
Deutsche Post |
€3.5 Arrive in 3-4 Business Days |
€6 Arrive in 5-9 Business Days |
|
DHL Paket |
€6 Arrive in 2-3 Business Days |
€15 Arrive in 3-7 Business Days |
|
DHL Express |
€14 Arrive in 1-2 Business Day |
€65 Arrive in 2-3 Business Days |
| Shipping Options | Continental U.S. | Non-Continental U.S. |
|---|---|---|
|
USPS Ground Advantage |
€4.95 Arrive in 3-7 Business Days |
€6.95 Arrive in 5-9 Business Days |
|
UPS Express |
€11.95 Arrive in 2-4 Business Days |
€13.95 Arrive in 3-7 Business Days |
2.3 Free shipping options for an order value of above €30 inside Germany, €50 inside the EU* or €45 in US :
| Free Shipping Options | Germany | EU* |
|---|---|---|
|
Deutsche Post |
Free Above €30 | Free Above €50 |
|
DHL Paket |
+ €2 for Above €30 / Free Above €60 | + €8 for Above €50 / Free Above €80 |
|
DHL Express |
+ €10 for Above €30 | + €60 for Above €50 |
| Free Shipping Options | Continental U.S. | Non-Continental U.S. |
|---|---|---|
|
USPS Ground Advantage |
Free above €45 | Free above €60 |
|
UPS Express |
+ € 8.95 for Above €45 | + € 11.95 for Above €45 |
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Certain EU Countries are not included in our EU Zone definition: United Kingdom (excluding Ireland), Switzerland, Liechtenstein, Vatican City, Albania, Belarus, Norway, Ukraine, and Iceland. For the above countries, the International Shipping Rule applies.
- The regions in the Non-Continental U.S. include: Alaska, American Samoa, Guam, Hawaii, the Marshall Islands, the Northern Mariana Islands, Palau, Puerto Rico, the U.S. Virgin Islands, the Armed Forces of America, the Armed Forces in Europe, the Armed Forces in the Pacific, and the U.S. outlying islands. The shipping and delivery to these areas are subject to the Non-Continental U.S. shipping rules.
2.4 Shipping Options for International Countries:
(via Deutsche Post or YunExpress)
| Order Amount | International |
|---|---|
| €0 - €15 | €8 |
| €15 - €30 | €7 |
| €30 - €50 | €6 |
| €50 and above | €4 |
Important Notice:
- Please verify the inventory location on the product page before placing your order to confirm delivery timeframes.
- For products in the Shenzhen warehouse, we will typically first ship the products from the Shenzhen warehouse to our Munich warehouse or Long Beach warehouse, which will take around 1.5 weeks. After we receive the shipment in Munich/ Long Beach, we will send the items to you. We will only arrange YunExpress shipping from Shenzhen for orders with products in the Shenzhen warehouse worth more than €50.
- If you place an order with products from both Munich and Shenzhen warehouses, we will first ship the products in the Munich warehouse, and then send the remaining products to you when we receive them from Shenzhen.
3. International Warehouse
3.1 German Warehouse
3.2 US Warehouse
3.3 Chinese Warehouse
4. Customs and Taxes
4.1 How are customs handled by OpenELAB for import or export?
4.2 How is VAT charged when the Customer places an order from OpenELAB?
4.3 What kind of fee will be charged except VAT?
Effective Date: August 7, 2025
At OpenELAB, we are committed to providing accurate product descriptions and delivering high-quality products. If you experience any issues with your purchase, please notify us within 30 days of the shipment date.
1. Warranty Disclaimer
Unless explicitly stated in a specific agreement or purchase order, OpenELAB makes no warranties—express or implied—regarding the fitness, suitability, or merchantability of any product for a particular purpose or special use.
2. Warranty Policy
Warranty Period
The standard warranty period for products sold by OpenELAB is 12 months from the date of delivery.
Under this warranty, OpenELAB will make a reasonable effort to repair or replace products free of charge if defects are due to issues with raw materials, design, or manufacturing.
If the defect qualifies under this policy but falls outside the covered scope, reasonable charges may apply for repair or replacement.
After the warranty period, support may still be available at a reasonable fee.
Warranty Exclusions
The warranty does not apply in the following cases:
- The product is beyond the 12-month warranty period.
- Damage due to misuse, improper maintenance or storage, or failure to follow the user guide or manual.
- Issues caused by Force Majeure events (e.g., natural disasters, war, legal changes, etc.).
- Unauthorized repair attempts by the customer.
- The product is not defective but has been opened and is non-returnable by policy.
3. Returns & Refunds
If you're not satisfied with your purchase, you may be eligible for a return or exchange:
- Return for Refund: Within 15 days of receipt (unopened).
- Return for Replacement: Within 30 days of receipt (damaged or defective).
- Exchange Window: Up to 30 days from receipt.
Please email us at info@openelab.io for a return authorization before sending anything back.
Return Conditions
- Items must be in original, clean, and mint condition with packaging intact.
- Returns of damaged, used, scratched, modified, or programmed items will not be accepted.
- Include the receipt, a brief note with your name, order number, and reason for return.
Shipping & Fees
- Customers are responsible for return shipping to our warehouses in Europe, the US, or China.
- If a return is requested due to customer reasons (e.g., change of mind, incorrect order, etc.), both the original shipping cost and the return shipping cost will be deducted from the refund amount.
- For returns due to customer reasons, we will generate and provide a return shipping label.
Payment Platform Fees
For all refunds requested due to customer reasons, a standard service fee will be deducted from the refund amount, which is charged by the payment platforms. The specific fees are as follows:
Shopify Payments: 1.8% + €0.3
PayPal: 4.4%
