M5Stack Midi Unit with DIN Connector (SAM2695)
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M5Stack Midi Unit with DIN Connector (SAM2695)
The MIDI Unit is a MIDI interface-based channel control and audio synthesis module, designed for electronic music creation, live performance control, and interactive music installations. This compact and powerful module integrates MIDI signal processing, audio synthesis, and versatile connectivity, making it an excellent addition to any MIDI-based music production setup.
Key Features of MIDI Unit
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Integrated SAM2695 Audio Synthesizer
Equipped with a SAM2695 audio synthesizer chip, the MIDI Unit supports real-time MIDI-to-audio conversion, generating high-quality synthesized sound without additional hardware. -
Standard MIDI 1.0 Protocol & UART Communication
The MIDI Unit is fully compatible with MIDI 1.0 protocol, enabling seamless integration with a wide range of MIDI controllers, synthesizers, and music equipment. It supports UART communication, allowing easy interfacing with M5Stack and other microcontrollers. -
Dual-Mode MIDI Signal Routing
The MIDI Unit features a switchable left/right MIDI port bypass mode: Bypass Mode – The left and right MIDI ports are directly connected for seamless signal flow; Separate Mode – The left and right MIDI ports operate independently for advanced routing and signal processing. -
Flexible MIDI Connectivity
The left and right MIDI ports support both standard 5-pin DIN and 3.5mm TRS (headphone jack) MIDI interfaces, offering broad compatibility with various MIDI devices and digital audio workstations (DAWs). - Grove Interface for MIDI Signal Monitoring & OutputTXD pin (Grove port) connects to the left MIDI port, allowing external devices to monitor or send MIDI signals.RXD pin (Grove port) links to the internal SAM2695 synthesizer, enabling external M5 hosts to control MIDI playback and generate sound.
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Optocoupler Isolation for Reliable Signal Processing
Built-in optocoupler isolation ensures electrical noise reduction and signal integrity, preventing unwanted interference when integrating with other MIDI devices. -
3.5mm Audio Output for Direct Sound Playback
The MIDI Unit supports direct audio output via a standard 3.5mm headphone jack, allowing users to listen to synthesized MIDI sound without additional converters.
Includes
- 1x MIDI Unit
- 1x HY2.0-4P Grove cable (20cm)
Ideal Applications for MIDI Unit
- Electronic Music Production – Integrate with MIDI controllers, DAW setups, and synthesizers for real-time sound processing.
- Live Performance Control – Use it for MIDI-based stage performances, instrument control, and dynamic music sequencing.
- Interactive Music Installations – Ideal for IoT-based music projects, smart audio environments, and artistic sound installations.
Why Choose MIDI Unit?
The MIDI Unit is a compact and feature-rich MIDI processing and audio synthesis module, offering real-time MIDI control, seamless audio synthesis, and versatile connectivity. Whether you're a music producer, live performer, or interactive sound artist, this module provides a reliable and flexible MIDI solution for creative applications.
Specifications
| Specification | Parameter |
|---|---|
| MIDI Chip | SAM2695 |
| Communication Protocol | Standard MIDI 1.0 protocol |
| Communication Interface | UART (Baud rate: 31,520 bps) |
| Audio Output Interface | 3x3.5mm stereo headphone jack + 2xDIN 5-pin socket |
| Standby Current | DC5V@18.59mA |
| Operating Temperature | 0-40°C |
| Product Size | 48*40*25mm |
| Package Size | 136*92*26mm |
| Product Weight | 28.2g |
| Package Weight | 33.4g |
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@upenelab.com 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@upenelab.com. 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.










