🎧 Product Overview – Unit Synth MIDI Audio Module
The Unit Synth is a compact, high-performance 🎹 MIDI audio synthesizer module engineered for embedded sound systems, electronic music production, and interactive audio applications. Powered by the advanced SAM2695 synthesizer chip, it supports the standard MIDI protocol via 🔌 UART serial communication, enabling seamless integration with MIDI controllers and digital instruments.
Designed for real-time audio synthesis, the Unit Synth delivers rich, multi-layered sound with multi-channel instrument output, customizable 4-band EQ, and immersive reverb effects. Its built-in NS4150B Class-D amplifier ensures 🔊 crystal-clear audio performance with minimal power consumption.
Whether you're building a DIY synthesizer, performing live electronic sets, or teaching sound design in a STEAM classroom, Unit Synth is your go-to module for professional-grade MIDI audio.
✨ Features of Unit Synth
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🎵 SAM2695 MIDI synthesizer chip for high-fidelity instrument sound generation
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🔗 UART serial communication for reliable MIDI data transmission
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🔊 Integrated NS4150B Class-D amplifier for efficient and clear audio output
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🎼 Full support for standard MIDI protocol ensures broad device compatibility
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🎚️ Multi-channel instrument output for layered sound synthesis
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🎛️ Customizable 4-band EQ, reverb, and other sound parameters
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💻 Compatible with popular development platforms like Arduino, UIFlow, and more
📦 What’s in the Box
Everything you need to get started with MIDI audio synthesis:
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🎛️ 1 × Unit Synth module – compact and powerful MIDI sound engine
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🔌 1 × HY2.0-4P Grove Cable (20cm) – for easy plug-and-play connectivity
🎯 Recommended Applications
The Unit Synth is ideal for a wide range of creative and educational scenarios:
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🎤 Live improvisational music performance – trigger real-time MIDI sounds on stage
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🎧 Professional music production and sound design – integrate into studio workflows
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🎛️ Electronic music stage setups – build modular synth rigs or MIDI controllers
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🧪 STEAM and maker education projects – teach sound synthesis and embedded audio
📐 Technical Specifications
| 🔧 Specification | 📊 Details |
|---|---|
| 🎵 Audio Synth Chip | SAM2695 |
| 🔊 Amplifier Chip | NS4150B |
| 🎼 Audio Protocol | MIDI |
| 🔈 Speaker Support | 8Ω @ 1W |
| 🌡️ Operating Temp. | 0 ~ 40°C |
| 📏 Product Size | 48.0 × 24.0 × 16.0 mm |
| ⚖️ Product Weight | 10.1g |
| 📦 Package Size | 138.0 × 93.0 × 17.0 mm |
| Gross Weight | 15.4g |
Learning Resources
- How to connect Unit Synth with MIDI 5P-DIN interface
Circuit Schematics
Pin Mapping
Grove Port Configuration
| HY2.0-4P | Black | Red | Yellow | White |
|---|---|---|---|---|
| PORT.C | GND | 5V | UART_RX | NC |
Module Dimensions
Datasheets
Software & Libraries
Arduino
UIFlow1
UIFlow2
Compatibility
Unit Synth is compatible with a wide range of M5Stack cores including CoreS3, Core2, AtomS3, StickC, and more. It connects via PORT.C using UART protocol, making it easy to integrate into modular IoT and audio systems.