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 |
Effective Date: March 27, 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 60 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.
- Refunds may be subject to additional shipping fees unless the return is due to our error.
- A flat €8 shipping fee will be deducted for returned items that originally qualified for free shipping.
Payment Platform Fees
For refunds processed through third-party platforms such as PayPal or Braintree, a standard 3.5% service fee may be deducted to cover payment processing costs.
