# Arduino/Genuino Zero
**Wikidata**: [Q26225909](https://www.wikidata.org/wiki/Q26225909)  
**Source**: https://4ort.xyz/entity/arduino-genuino-zero

## Summary
The Arduino/Genuino Zero is an open-source microcontroller board released by Arduino LLC in 2015, featuring a 48 MHz Atmel ATSAMD21G18 MCU and operating at 3.3 volts. It represents a 32-bit upgrade to the Arduino ecosystem, designed for applications requiring higher performance than traditional 8-bit boards.

## Key Facts
- Released on June 15, 2015.
- Manufactured by Arduino LLC.
- Features an Atmel ATSAMD21G18 microcontroller unit (MCU).
- Operates at 3.3 volts with a 48 MHz base clock frequency.
- Dimensions: 53.3 mm (width) × 68.6 mm (length).
- Classified as an open source microcontroller and product model.
- Part of the Arduino series of microcontroller boards.
- Official documentation available at https://www.arduino.cc/en/Main/ArduinoBoardZero.

## FAQs
### Q: What is the Arduino/Genuino Zero?
A: It's an open-source microcontroller board released in 2015, featuring a 32-bit ARM Cortex-M0+ processor (ATSAMD21G18) and designed for higher-performance applications than traditional 8-bit Arduino boards.

### Q: How does the Zero differ from other Arduino boards?
A: Unlike most Arduino boards using 8-bit AVR chips, the Zero employs a 32-bit ARM Cortex-M0+ processor, operates at 3.3 volts instead of 5 volts, and offers a 48 MHz clock frequency for enhanced processing power.

### Q: When was the Arduino/Genuino Zero released?
A: It was released on June 15, 2015.

### Q: Who manufactures the Arduino/Genuino Zero?
A: Arduino LLC manufactures the board.

### Q: What are the physical dimensions of the Zero?
A: The board measures 53.3 mm in width and 68.6 mm in length.

## Why It Matters
The Arduino/Genuino Zero marked a pivotal evolution in the Arduino ecosystem by introducing 32-bit processing power while maintaining open-source compatibility. This upgrade enabled developers to tackle more complex projects—such as real-time signal processing, advanced IoT applications, and high-speed data acquisition—that were previously impractical on 8-bit platforms. By bridging the gap between high-performance microcontrollers and Arduino's accessible development environment, the Zero expanded the platform's capabilities without sacrificing its signature ease of use, ultimately accelerating innovation in education, prototyping, and industrial automation.

## Notable For
- First Arduino board to use a 32-bit ARM Cortex-M0+ processor (ATSAMD21G18).
- Operates at 3.3 volts, enabling lower power consumption compared to 5-volt Arduino boards.
- Features a 48 MHz base clock frequency, significantly higher than the 16 MHz of traditional Arduino boards.
- Maintains full compatibility with the Arduino IDE and existing Arduino libraries.
- Part of the Arduino series, which has over 76 sitelinks indicating widespread adoption.

## Body
### Overview
The Arduino/Genuino Zero is an open-source microcontroller board released by Arduino LLC on June 15, 2015. It belongs to the Arduino product series and is classified as both a product model and an open source microcontroller.

### Technical Specifications
- **Microcontroller**: Atmel ATSAMD21G18 (32-bit ARM Cortex-M0+)
- **Clock Frequency**: 48 MHz (base clock frequency)
- **Operating Voltage**: 3.3 volts
- **Dimensions**: 53.3 mm (width) × 68.6 mm (length)
- **Manufacturer**: Arduino LLC
- **Release Date**: June 15, 2015

### Design and Functionality
The Zero utilizes a 32-bit ARM Cortex-M0+ processor, providing enhanced computational capabilities over 8-bit alternatives while retaining Arduino's signature accessibility. Its 3.3-volt operation reduces power requirements, making it suitable for energy-sensitive applications. The board maintains compatibility with Arduino's development environment, ensuring seamless integration with existing codebases and libraries.

### Classification and Relationships
- **Instance Of**: Product model
- **Subclass Of**: Open source microcontroller
- **Part Of Series**: Arduino
- **Parent Class**: Open source microcontroller
- **Related Entity**: Arduino (Italian open-source hardware/software company)