M5Stack Cardputer-Adv with StampS3A ESP32-S3FN8 Mechanical Keyboard
📦 Location of the warehouse: China
Free Shipping from $50 in the US, $70 for non-continental US
- US Delivery Time: 2~7 Business days.
- Non-Continental US Delivery Time: 3~9 working days.
- Pre-Ordering: If an item is unavailable, you can pre-order it. We'll dispatch once stock is replenished, usually within 10 working days. Special pre-sale products will specify the expected arrival time in the description.
- Express Shipping: Need it faster? Contact us via email or through our live chat support, and we'll arrange expedited delivery for you.
M5Stack Cardputer-Adv with StampS3A ESP32-S3FN8 Mechanical Keyboard
🧠 Cardputer-Adv: Pocket-Sized ESP32-S3 Development Platform
The Cardputer-Adv transforms the development experience with its credit card-sized form factor 💳, featuring the powerful Stamp-S3A module (ESP32-S3FN8 based) at its core ⚙️. Interaction comes naturally through its 1.14" color display 🖥️ and tactile 56-key mechanical keyboard ⌨️, creating an all-in-one solution perfect for portable development projects and embedded system prototyping.
🔊 Premium Audio Capabilities Enhanced with the ES8311 audio codec, high-performance MEMS microphone, NS4150B amplifier, and built-in 1W speaker, this device delivers exceptional sound quality for multimedia applications 🎧. External audio connectivity through the 3.5mm headphone jack expands your options for immersive audio experiences 🎶.
🔋 Enhanced Power System Equipped with a substantial 1750mAh rechargeable battery and intelligent power management design, combined with a dedicated hardware power switch, ensures extended operational time between charges 🔌⚡.
📦 Rich Peripheral Integration Features the BMI270 6-axis IMU 🧭, IR transmitter 📡, microSD expansion 💾, plus versatile connectivity through both HY2.0-4P Grove port and EXT 2.54-14P expansion header—enabling seamless integration of sensors and additional hardware 🔧.
🧲 Ingenious Design Elements The device incorporates magnetic attachment points 🧲 and is fully LEGO-compatible, enabling creative mounting solutions and modular construction possibilities 🧱.
🚀 Perfect For:
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Quick project prototyping 🛠️
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Factory automation interfaces 🏭
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Home automation controllers 🏠
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Educational platforms for STEM 🎓
From IoT development to sensor evaluation and edge computing applications, the Cardputer-Adv combines performance, versatility, and portability in an elegant package 💡.
Features
🧠 High-Performance Computing Built around the ESP32-S3FN16 with 240MHz dual-core processing, providing exceptional computational capabilities for complex embedded applications and AI processing.
🖥️⌨️ Complete User Interface Combines a vibrant 1.14-inch LCD with a responsive 56-key mechanical keyboard, enabling standalone operation for programming, control interfaces, and system interaction.
🔊🎤 Complete Audio Ecosystem Features the high-fidelity ES8311 codec, clear high-SNR microphone, powerful NS4150B amplifier, and integrated 1W speaker. The 3.5mm audio port provides connectivity for external audio equipment.
🧭📡 Integrated Sensor Array Incorporates the precision BMI270 motion sensing and versatile infrared transmission capabilities for movement detection, orientation sensing, and remote control functions.
🔌 Flexible Expansion Options Includes Grove-compatible interface, comprehensive 14-pin expansion header, and microSD slot—facilitating easy connection of peripheral devices, sensors, and storage expansion.
🔋 Extended Operation Time Powered by a generous 1750mAh battery, with power-efficient design and convenient hardware power control for maximizing runtime between charges.
🧲🧱 Innovative Physical Design Features wallet-sized dimensions with magnetic mounting system and LEGO-compatible attachment points, enabling creative installation and modular construction options.
🏭 Dependable Performance Designed for 0–40°C operation with robust construction techniques, suitable for challenging environments and industrial applications.
💻 Development Flexibility Supports multiple programming environments including Arduino, ESP-IDF, MicroPython, and UIFlow, accommodating diverse development preferences and requirements.
📶 Comprehensive Connectivity Incorporates 2.4GHz Wi-Fi, Bluetooth 5.0, and IR communication, enabling versatile networking options for IoT projects and automation systems.
Difference Between Cardputer V1.1 and Cardputer Adv and Cardputer
| Product Comparison Item | Cardputer-Adv | Cardputer v1.1 | Cardputer |
|---|---|---|---|
| Core Module | Stamp-S3A | Stamp-S3A | Stamp-S3 |
| RGB LED Logic | Shares power with display backlight, optimized control logic | Shares power with display backlight, optimized control logic | Powered directly |
| Antenna Design | Optimized antenna design for better reception | Optimized antenna design for better reception | Standard antenna |
| Battery Capacity | 1750mAh | 120mAh + 1400mAh | 120mAh + 1400mAh |
| Audio Solution | ES8311 | NS4168 + SPM1423 | NS4168 + SPM1423 |
| Audio Port | 3.5mm audio jack | / | / |
| IMU | BMI270 | / | / |
| Keyboard IO Exp. | TCA8418RTWR | 74HC138 | 74HC138 |
| Expansion Ports | HY2.0-4P + EXT 2.54-14P | HY2.0-4P | HY2.0-4P |
| Lanyard Hole | Yes | No | No |
Applications
🚀 Practical Use Cases for Cardputer-Adv
🔧 Development Acceleration & Testing Perfect for developers needing to quickly iterate designs, test sensor interactions, or validate software concepts. The integrated display/keyboard combination enables field debugging, real-time code adjustment, and interface prototyping without additional equipment.
🏭 Manufacturing & Process Control Functions as a compact interface for industrial monitoring, equipment status visualization, and production line management. With expansive connectivity and processing capabilities, it excels at data collection, system automation, and maintenance diagnostics.
🏠 Intelligent Living Environments Serves as the hub for connected home ecosystems, handling environmental monitoring, climate regulation, and appliance control via infrared. Integrates seamlessly with popular platforms including Home Assistant, ESPHome, and custom automation frameworks.
🎓 Technical Learning Platform Creates an accessible environment for students exploring embedded programming, hardware interfacing, and graphical application development. Compatible with multiple programming languages and frameworks—ideal for educational laboratories, coding camps, and IoT coursework.
📡 Connected Systems Development With comprehensive Wi-Fi, Bluetooth, and IR capabilities, perfectly suited for creating networked device prototypes, distributed sensor arrays, and cloud-connected applications. Easily extends functionality with Grove modules or custom sensors for scalable, energy-efficient designs.
Specifications
| Specification | Parameter |
|---|---|
| SoC | ESP32‑S3FN8 @ Dual‑core Xtensa LX7, up to 240 MHz |
| Flash | 8 MB |
| External Storage | microSD |
| Display | ST7789V2 @ 1.14", 240 × 135 px |
| Keyboard | 56 keys (4 × 14) |
| Key Actuation | 160 gf |
| Expansion Ports | HY2.0‑4P + EXT 2.54‑14P |
| IR | 1× IR emitter |
| Audio Codec | ES8311 |
| Speaker | NS4150B amplifier + 8 Ω @ 1 W speaker |
| Microphone | MEMS microphone, SNR: 65 dB |
| IMU | BMI270 |
| Battery Capacity | 1750 mAh |
| Operating Temp. | 0 ~ 40 °C |
| Product Size | 84.0 × 54.0 × 19.6 mm |
| Product Weight | 81.0 g |
| Package Size | 145.7 × 95.0 × 20.7 mm |
| Gross Weight | 98.5 g |
Special Notes
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Download Mode: Switch power OFF, hold G0 button, power ON, then release to enter download mode.
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Speaker Auto‑Mute: Inserting a 3.5 mm headphone jack disables the speaker amplifier.
Schematics
Model Size
Softwares
Arduino
Esayloader
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 & Rates (United States)
(For Products in the US Warehouse & Global Warehouse)
2.1 Continental U.S. (50 States)
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| USPS Ground Advantage | $0.00 - $5.00 | $9.99 | 3-7 Business Days |
| USPS Ground Advantage | $5.00 - $50.00 | $5.99 | 3-7 Business Days |
| USPS Ground Advantage | Over $50.00 | Free | 3-7 Business Days |
|
USPS Priority Mail (Faster Option) |
$0.00 - $50.00 | $19.99 | 1-4 Business Days |
| USPS Priority Mail | Over $50.00 | $17.59 | 1-4 Business Days |
2.2 Non-Continental U.S.
(Includes Alaska, Hawaii, Puerto Rico, Guam, Virgin Islands, etc.)
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| USPS Ground Advantage | $0.00 - $5.00 | $9.99 | 5-9 Business Days |
| USPS Ground Advantage | $5.00 - $70.00 | $7.99 | 5-9 Business Days |
| USPS Ground Advantage | Over $70.00 | Free | 5-9 Business Days |
Important Notice:
- Before placing your order, please check the inventory location on the product page to confirm the delivery timeframes.
- For products stored in the Global Warehouse (Shenzhen), we will ship them directly from China.
- If you place an order for products from both the U.S. warehouse and the Global warehouse, we will ship your order separately: the products from the Global warehouse will be sent from China, and the products from the U.S. warehouse will be sent from the U.S. warehouse.
3. Warehouse Locations
Our products are stored in both our U.S. and Global warehouses to provide more flexible logistics solutions. On each product's description page, we indicate the specific warehouse location.
3.1 U.S. Warehouse
For products stored here, we use USPS for shipping. Logistics within U.S. are very efficient, with an estimated delivery time of 3-7 business days.
3.2 Global Warehouse (China)
Located in Shenzhen, Guangdong.
For orders shipping from our Global Warehouse, we typically use YunExpress. Given the complexities of international shipping, the estimated delivery time is around 10 business days, though this may vary due to customs processes.
4. Customs and Taxes
Effective Date: December 10, 2025
At OpenELAB, we are committed to providing accurate product descriptions and high-quality electronics. The following policy outlines your rights and obligations, designed to be fair to both our customers and our business operations globally.
1. Warranty Policy
A. Standard Limited Warranty (Global & US)
For customers in the United States, Asia, and other non-EU regions:
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Warranty Period: OpenELAB provides a 12-month warranty from the date of delivery.
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Coverage: This warranty covers defects in material and workmanship under normal use.
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Resolution: We will repair or replace defective units at no charge.
B. Statutory Rights for EU/UK Customers (EU Compliance)
If you are a consumer residing in the European Union or the UK purchasing from our global site:
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Statutory Guarantee: You are entitled to a 24-month statutory guarantee for conformity defects present at the time of delivery, in accordance with EU consumer protection laws.
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Relation: The Standard Limited Warranty (Section 1.A) applies in addition to, and does not replace, your statutory rights.
C. Warranty Exclusions (Applies to ALL Regions)
Warranty coverage is VOID if the damage is caused by:
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Misuse: Incorrect installation, reverse polarity, or exceeding voltage limits.
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Unauthorized Modification: This explicitly includes soldering, cutting pins, modifying the PCB, or flashing unauthorized/beta firmware that "bricks" the device.
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Physical Damage: Drops, moisture/water damage, or electrical surges (lightning).
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Normal Wear & Tear: Consumable parts (e.g., batteries), unless defective upon arrival.
Note: For non-warranty repairs (e.g., customer-induced damage), we may offer repair services for a fee. Shipping and diagnostic costs will be borne by the customer.
2. Return & Refund Policy
A. Return Window
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Standard: You may request a return within 31 days of receiving your order.
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EU Customers: You have the statutory right to withdraw from the contract within 14 days of receipt without giving a reason.
B. Refund Conditions & Restocking Fees
To protect against policy abuse, the refund amount is strictly determined by the condition of the returned item.
1. Full Refund (100%)
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The item is Brand New, Unopened, and Unused.
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The original packaging is intact and sealed.
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All accessories are present.
2. Partial Refund (Restocking Fee / Value Depreciation)
If the item is returned in a condition that prevents it from being sold as new, OpenELAB reserves the right to deduct a Restocking Fee (or "Compensation for Loss of Value" for EU customers) from the refund.
Deductions apply if:
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Signs of Use: Visible scratches, mounting marks on screw holes, or fingerprints.
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Damaged Packaging: Original box is torn, written on, or missing.
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Technical Modification: The device has been powered on, programmed/flashed, or soldered.
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Broken Seals: Anti-static bags or security seals have been opened.
Depending on the severity of the usage/damage, the deduction may range from 15% to 50% of the product price. Items damaged beyond repair due to misuse will not be refunded.
C. Shipping Costs
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Defective / Wrong Item: OpenELAB covers the return shipping cost.
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Customer Remorse (Changed Mind / Ordered Wrong Item): The customer is responsible for all return shipping costs to our designated return center (located in the US, Germany, or China, depending on your region). Original shipping fees are non-refundable unless required by local law.
3. Return Process (RMA)
To ensure a smooth return process, please follow these steps:
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Authorization: Contact us at info@openelab.io before returning any item. Returns without prior authorization will not be accepted.
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RMA Number: We will provide you with a Return Merchandise Authorization (RMA) number and the correct return address.
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Packing: Ship the item back in its original packaging with the RMA number clearly marked on the shipping label (not on the product box).
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Tracking: We strongly recommend using a trackable shipping method. OpenELAB is not responsible for returns lost in transit.
