The Leonardo R3 ATMega32U4 Development Board is a powerful, Arduino-compatible microcontroller featuring the ATMega32U4 chip and a micro-USB connection. With 20 digital I/O pins (7 PWM outputs, 12 analog inputs), a 16 MHz crystal oscillator, power jack, ICSP header, and reset button, this board has everything you need for seamless microcontroller projects. It can be powered via USB, an AC-to-DC adapter, or a battery, making it highly versatile. One of the standout features of the Leonardo R3 is the integrated USB communication provided by the ATMega32U4. This eliminates the need for a secondary processor and allows the board to function as a mouse, keyboard, or virtual (CDC) serial/COM port, making it ideal for HID (Human Interface Device) applications. Specifications: Microcontroller: ATMega32U4 Operating Voltage: 5V Input Voltage (recommended): 7-12V Input Voltage (limits): 6-20V Digital I/O Pins: 20 (7 PWM outputs) Analog Input Pins: 12 DC Current per I/O Pin: 40 mA Flash Memory: 32 KB (4 KB used by bootloader) SRAM: 2.5 KB EEPROM: 1 KB Clock Speed: 16 MHz USB: Micro USB for programming/communication Dimensions: 68.6 mm x 53.3 mm Key Features: Integrated USB Communication: Acts as a mouse, keyboard, or virtual COM port without extra processors. Versatile I/O: 20 digital I/O pins, 7 PWM outputs, and 12 analog inputs for flexible interfacing. Ample Memory: 32 KB flash memory, 2.5 KB SRAM, and 1 KB EEPROM for data storage. Breadboard Friendly: Easily fits on a breadboard for quick prototyping. Arduino IDE Compatible: Fully supported by Arduino IDE for simple development. Robust Power Management: Can be powered via USB, adapter, or battery with built-in voltage regulation. Resettable Fuse: PTC fuse for short circuit and overcurrent protection. ICSP Header: Easy programming and debugging via the In-Circuit Serial Programming header. HID Support: Ideal for USB device projects like custom keyboards or controllers. Applications: Human Interface Devices (HID): Ideal for developing custom USB keyboards, mice, game controllers, and other HID applications thanks to the built-in USB support of the Leonardo R3 development board. Robotics: Perfect for robotics projects that require multiple digital and analog I/O pins, including motor control and sensor integration, ensuring seamless interaction between components. Prototyping: Best suited for rapid prototyping of circuits and projects on breadboards, allowing for quick and easy development of electronic systems. Interactive Installations: Excellent choice for art and interactive exhibits, especially where USB device emulation (keyboard or mouse input) is required for hands-on engagement. Automation Projects: Ideal for home or industrial automation tasks, capable of controlling sensors, actuators, and enabling efficient communication between connected devices. Education: Highly recommended for teaching electronics, programming, and microcontroller-based system design, thanks to its compatibility with the Arduino IDE, ease of use, and extensive community support. SKU: ELEB-LEONARDO-R3-BOARD Categories: Arduino, Development Boards Tags: Arduino, Arduino Compatible, ATMega32U4, Leonardo
