M5Stack LLM (large language model) Module Kit (AX630C)
sales@openelab.io
Description
The Module LLM Kit is a modular offline AI inference kit built around the Module LLM and Module13.2 LLM Mate. It brings large-language-model voice interaction, data communication, and host connectivity into a stackable M5Stack module design.
Based on the AX630C SoC, the Module LLM Kit provides 3.2 TOPS INT8 NPU performance, 4GB LPDDR4 memory, and 32GB eMMC storage. It can run built-in KWS, ASR, LLM, and TTS functions locally without relying on a cloud service, helping privacy-sensitive and network-limited projects keep voice and text processing on the device.
Notice: Before connecting the FPC cable, lift the connector latch first. After inserting the cable fully, press the latch down to secure it.
Before connecting the Module LLM FPC cable, remove the device frame as recommended. The FPC connector is located under the SPK module, so remove the SPK module before operation.
Model replacement requires AXERA-specific model processing. Existing general models from the market cannot be used directly.
Features
- Module LLM Kit with Module LLM and Module13.2 LLM Mate for offline AI inference.
- AX630C dual-core Cortex-A53 SoC with 3.2 TOPS INT8 NPU acceleration and native Transformer support.
- 4GB LPDDR4 memory, including 1GB for user applications and 3GB for hardware acceleration.
- 32GB eMMC5.1 storage for the Ubuntu-based system, models, and application data.
- Built-in KWS, ASR, LLM, and TTS functions for local voice interaction.
- Parallel multi-model processing, onboard microphone, speaker, RGB status LEDs, and ADB debugging.
- Module13.2 LLM Mate adds M5-Bus power stacking, CH340N USB conversion, Type-C log output, Ethernet, and expansion pads.
- Development support for Arduino, UiFlow2, StackFlow, apt-based model updates, and OpenAI API-compatible workflows.
Specifications
| Processor | AX630C dual Cortex-A53 at 1.2GHz |
| AI performance | 3.2 TOPS INT8 NPU; up to 12.8 TOPS INT4 |
| Memory | 4GB LPDDR4, with 1GB for user applications and 3GB for hardware acceleration |
| Storage | 32GB eMMC5.1 |
| System | Ubuntu-based system with StackFlow framework support |
| Built-in functions | KWS, ASR, LLM, and TTS |
| Microphone | MSM421A |
| Audio driver | AW8737 |
| Speaker | 8 ohm at 1W, 2014 cavity speaker |
| RGB LED | 3 x RGB LED at 2020 package, driven by LP5562 |
| Communication | Serial communication, default 115200bps@8N1, adjustable |
| USB conversion | CH340N |
| Network | RJ45 100Mbps Ethernet with onboard network transformer |
| Expansion | FPC-8P connection and HT3.96 x 9P solder pad |
| Upgrade methods | SD card and Type-C |
| Power consumption | No-load 5V at 0.5W; full-load 5V at about 1.5W |
| Operating temperature | 0 to 40 degrees C |
| Module dimensions | 54.0 x 54.0 x 13.0mm |
| Mate board dimensions | 54.0 x 54.0 x 19.7mm |
| Combined weight | 36.7g |
Applications
- Offline voice assistants that need local speech recognition, language understanding, and speech output.
- Smart home controllers that continue operating when cloud access is unavailable.
- Interactive robots and embedded terminals using the Module LLM Kit for local AI dialogue.
- Privacy-focused AI gateways, education projects, and prototype devices for edge inference.
Product List
- 1 x Module LLM
- 1 x Module LLM Mate
- 2 x FPC-8P Wire
Other Content
The Module LLM Kit communicates with host devices through serial interfaces and can expose logs, Ethernet, and expansion signals through the Mate board. Use the StackFlow resources and connection guide to match the wiring, FPC connection, model update method, and host workflow before deployment.
Resources
Module LLM Kit product document
Module13.2 LLM Mate schematic PDF
AX630C processor databrief PDF
Module LLM Arduino quick start guide
Module LLM UiFlow2 quick start guide
Module LLM ADB, UART, and SSH connection guide
Module LLM software update guide
Module LLM Arduino library repository
Module LLM Arduino API reference
Module LLM UiFlow2 API reference
FAQ
Can this kit run AI features without cloud access?
Yes. The Module LLM Kit is designed for local KWS, ASR, LLM, and TTS processing, so supported voice and language workflows can run on the device.
Which model is preinstalled?
The module is listed with Qwen2.5-0.5B preinstalled, and the apt repository provides additional supported model packages.
Can any downloaded large language model be used directly?
No. The supported models use an AXERA-specific format and must be processed before they can run correctly on the hardware.
1. General Shipping Information
- We provide reliable shipping services with a tracking number for each order.
- Shipping addresses must be entered in English and should not contain special symbols, so that the courier system can recognize your location correctly.
- Please make sure your shipping address is accurate before placing your order. We ship strictly according to the address provided at checkout.
- In-stock orders are usually dispatched within 1 business day after order confirmation.
- Estimated delivery times refer to the period after dispatch and do not include order processing time, weekends, public holidays, customs inspection, or force majeure delays.
- If you need to cancel or modify your order, please contact us before the order is marked as “Shipped”. Once shipped, the order cannot be canceled or changed.
🚀 Need Faster Shipping?
If you require expedited shipping, please contact our customer support team at info@openelab.io for a customized quote based on your destination.
2. Shipping Rates & Options
Shipping rates are calculated based on order value, destination, and available shipping methods. The final available options will be displayed at checkout.
2.1 Germany Domestic Shipping
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| Deutsche Post | €0.00 - €50.00 | €4.95 | 2-4 Business Days |
| Deutsche Post | Over €50.00 | Free | 2-4 Business Days |
|
DHL Paket (Faster Delivery) |
€0.00 - €50.00 | €6.95 | 1-3 Business Days |
|
DHL Paket (Faster Delivery) |
€50.00 - €100.00 | €2.00 | 1-3 Business Days |
|
DHL Paket (Faster Delivery) |
Over €100.00 | Free | 1-3 Business Days |
2.2 Selected EU Countries / Regions
Available EU shipping destinations are shown at checkout based on your shipping address. For orders shipped to selected EU countries or regions outside Germany, we use FedEx Regional Economy.
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| FedEx Regional Economy | €0.00 - €100.00 | €7.95 | 3-5 Business Days |
| FedEx Regional Economy | Over €100.00 | Free | 3-5 Business Days |
EU orders may be fulfilled from our Munich warehouse or, when applicable, from our Shenzhen warehouse depending on inventory availability. For EU member states, OpenELAB covers applicable import duties and taxes under DDP service where required.
2.3 United States
| Region | Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|---|
|
Continental U.S. (50 States) |
USPS Ground Advantage | €0.00 - €45.00 | €4.95 | 3-7 Business Days |
| USPS Ground Advantage | Over €45.00 | Free | 3-7 Business Days | |
| USPS Priority Mail | €0.00 - €45.00 | €16.95 | 1-4 Business Days | |
| USPS Priority Mail | Over €45.00 | €14.95 | 1-4 Business Days | |
|
Non-Continental U.S. (AK, HI, PR, etc.) |
USPS Ground Advantage | €0.00 - €60.00 | €6.95 | 5-9 Business Days |
| USPS Ground Advantage | Over €60.00 | Free | 5-9 Business Days |
Non-Continental U.S. regions include Alaska, American Samoa, Guam, Hawaii, the Marshall Islands, the Northern Mariana Islands, Palau, Puerto Rico, the U.S. Virgin Islands, and U.S. Armed Forces addresses.
2.4 International Destinations Outside the EU
For selected international destinations outside the EU, including Switzerland, the United Kingdom, and Norway, shipping rates are as follows:
| Order Amount | Shipping Cost |
|---|---|
| €0.00 - €300.00 | €19.95 |
| Over €300.00 | Free |
For non-EU destinations, import duties, taxes, and customs fees may be charged by the destination country and are the responsibility of the recipient.
3. Warehouses & Fulfillment
Our products may be stored in our Munich, Arlington, and Shenzhen warehouses. The actual shipping warehouse depends on product availability and destination.
3.1 Munich Warehouse
For products stored in our Munich warehouse, we use Deutsche Post or DHL Paket for domestic deliveries within Germany. For selected EU destinations outside Germany, we use FedEx Regional Economy.
3.2 Arlington Warehouse
For products stored in our Arlington warehouse, we use USPS or UPS for deliveries within the United States.
3.3 Shenzhen Warehouse
For pre-order items or products fulfilled directly from our Shenzhen warehouse, we arrange reliable international shipping based on destination and inventory status. For EU member states, OpenELAB covers applicable import duties and taxes under DDP service where required.
4. Inventory, Pre-orders & Split Shipments
- Inventory Status: Please check the product page for real-time stock information. If an item is out of stock in our local warehouses, it may be marked as “Pre-order”.
- Pre-order Fulfillment: Pre-order items may be shipped directly from Shenzhen or restocked to a local warehouse first before final delivery.
- Split Shipments: If your order contains both in-stock and pre-order items, we may ship them separately. No additional shipping fee will be charged for split shipments caused by our fulfillment arrangement.
5. Customs, Taxes & Delivery Issues
5.1 Customs and Taxes
For EU Member States:
Whether shipped from Germany or China, OpenELAB covers applicable import duties and taxes under DDP service where required. Customers in EU member states should not be charged additional import duties or VAT upon delivery.
For destinations outside the European Union, such as Switzerland, Norway, and the United Kingdom, import duties, taxes, and customs fees may be charged by local authorities upon delivery. These fees are the responsibility of the recipient.
5.2 Damaged, Delayed, or Lost Parcels
Please inspect your parcel upon delivery where possible. If you notice visible damage, please report it to the courier and contact us as soon as possible. This does not affect your statutory consumer rights.
If your parcel is delayed, lost, returned to sender, or the tracking information has not updated for an unusual period of time, please contact us at info@openelab.io. We will assist you in checking the shipment status with the courier.
5.3 Incorrect Address or Failed Delivery
If a parcel cannot be delivered due to an incorrect or incomplete address provided by the customer, refusal of delivery, or failure to collect the parcel, additional shipping or return costs may apply.
6. VAT
For orders within the EU, VAT is collected at checkout according to the applicable destination rules. No additional VAT should be collected upon delivery for EU member state orders covered under our DDP shipping arrangement.








