The DFRduino M0 Mainboard is a high-performance, 32-bit Arduino-compatible microcontroller designed around the ARM Cortex-M0 core, offering a perfect balance between speed, power, and compatibility. Unlike most M0-based boards, it supports 5V logic, ensuring seamless integration with standard Arduino sensors, modules, and shields. Powered by the Nuvoton NUC123ZD4AN0 processor at 72MHz, this board delivers significant improvements in processing performance and I/O capability over the traditional Arduino UNO. It provides 31 digital I/O pins, 6 analog inputs, dual hardware serial ports, and an IIS interface for high-fidelity audio output. Whether you’re building an automation system, audio device, or high-speed sensor project, the DFRduino M0 offers a professional-grade platform with easy Arduino IDE compatibility. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Features:
High-Performance MCU: Equipped with a 72MHz Nuvoton ARM Cortex-M0 processor for efficient computation.
5V Logic Support: Compatible with most Arduino shields, sensors, and actuators.
Enhanced I/O Options: Features 31 digital pins and 6 analog inputs for versatile connections.
Dual Serial Ports: Includes two hardware serial ports plus one USB serial port for multitasking.
Audio Playback Support: Built-in IIS interface enables playback of WAV files with HiFi quality.
Improved Memory: Offers 20KB SRAM, 68KB flash (with 55KB user space), and 1KB EEPROM.
Flexible Communication: Supports I2C, SPI, and UART interfaces for multi-device integration.
Full Arduino Compatibility: Works seamlessly with Arduino IDE and Leonardo pin mapping.
Stable Power Design: Operates at 5V with an input range of 7–12V (max 20V).
Compact Form Factor: Measuring only 68 × 53mm, fits easily into existing projects.
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Applications:
Advanced Robotics: Use for multi-sensor robotic systems needing real-time performance.
IoT Development: Create connected devices with multiple serial communication channels.
Audio Projects: Utilize IIS interface for high-quality WAV playback.
Data Logging Systems: Combine multiple sensors for accurate environmental or motion data collection.
DIY Automation: Power up control systems with improved processing and memory.
Educational Use: Perfect for learning 32-bit microcontroller programming and embedded system design.
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| General Specifications |
| Microcontroller | Nuvoton NUC123ZD4AN0 (ARM Cortex-M0) |
| Clock Speed | 72MHz |
| Operating Voltage | 5V |
| Input Voltage (Recommended) | 7–12V |
| Input Voltage (Limit) | 6–20V |
| Digital I/O Pins | 31 (Partial Multiplexing) |
| Analog Input Pins | 6 |
| External Interrupts | 4 |
| SRAM | 20KB |
| Flash Memory | 68KB (55KB usable, 12KB bootloader, 1KB EEPROM) |
| EEPROM | 1KB |
| SPI Port | 1 (D14–D16) |
| I2C Port | 1 (D2, D3) |
| USB Serial Port | 1 (Serial) |
| Hardware Serial Ports | 2 (Serial1, Serial2) |
| Audio Interface | IIS (WAV playback supported) |
| XBee Interface | 1 (Serial1) |
| Dimensions | 68 × 53 mm |
| Weight | 30g |
| Shipment Weight | 0.032 kg |
| Shipment Dimensions | 8 × 7 × 3 cm |
Please allow 5% measuring deviation due to manual measurement.
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Documentation:
Package Includes:
1 x DFRduino M0 Mainboard (Arduino Compatible)
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