Specifications and Key Features of Arduino Uno R3
The Arduino Uno R3 is one of the most widely used microcontroller boards, perfect for both beginners and advanced users. It is powered by the ATmega328P microcontroller and features 14 digital input/output pins, 6 of which can be used as PWM outputs, and 6 analog inputs. The board operates at a clock speed of 16 MHz, ensuring stable performance for various applications. This latest version, the R3, introduces an ATmega16U2 chip, replacing the previous 8U2, for faster data transfer and increased memory capacity. Additionally, it features new SDA and SCL pins for better I2C communication and an IOREF pin that allows shields to adapt to the board’s voltage requirements. The Arduino Uno R3 is easy to set up and can be powered via a USB connection or an external power supply (7-12V recommended). Its open-source nature allows seamless integration with various sensors, modules, and shields, making it ideal for automation, robotics, IoT, and embedded system projects. Simply connect it to your computer with a USB cable, install the Arduino IDE, and start programming with an intuitive and user-friendly interface. Whether you're a hobbyist, student, or engineer, the Arduino Uno R3 is a must-have for your electronics toolkit.
Features: Arduino Uno R3 Board
- • Microcontroller: ATmega328P with a 16 MHz clock speed.
- • Enhanced Communication: Uses ATmega16U2 for faster USB transfers.
- • I/O Options: 14 digital I/O pins (6 PWM), 6 analog inputs.
- • Flexible Power Supply: Can operate on USB power or external supply (6-20V).
- • Memory Capacity: 32KB flash memory (0.5KB for bootloader), 2KB SRAM, 1KB EEPROM.
- • Compact & Lightweight: 68.6mm x 53.4mm, weighing only 25g.
- • Easy-to-Use Open-Source IDE: Supports Mac, Windows, and Linux.
- • Compatible with Arduino Shields & Modules: Seamless integration for project expansion.
Specifications: Arduino Uno R3 Board
- • Microcontroller: ATmega328P
- • Operating Voltage: 5V
- • Input Voltage (Recommended): 7-12V
- • Input Voltage (Limit): 6-20V
- • Digital I/O Pins: 14 (6 PWM capable)
- • Analog Input Pins: 6
- • DC Current per I/O Pin: 20mA
- • DC Current for 3.3V Pin: 50mA
- • Flash Memory: 32KB (0.5KB used by bootloader)
- • SRAM: 2KB
- • EEPROM: 1KB
- • Clock Speed: 16 MHz
- • Built-in LED Pin: 13
- • Board Dimensions: 68.6mm x 53.4mm
- • Weight: 25g
Package Details: Arduino Uno R3 Board
What’s Included?
• 1 x Arduino Uno R3 Board (Made in Italy)
• 1 x USB Cable
• 1 x Protective Box
FAQs - Arduino Uno R3 Board
1. What is the difference between Arduino Uno R3 and previous versions?
The R3 version includes an ATmega16U2 chip instead of the 8U2, allowing faster USB transfer and more memory. It also features additional SDA, SCL, and IOREF pins for better compatibility with new shields.
2. How can I power the Arduino Uno R3?
You can power it through a USB connection (5V) or an external power source such as a 7-12V adapter or a battery.
3. Is the Arduino Uno R3 compatible with older Arduino shields?
Yes, it works with all existing shields and can adapt to new shields using the additional IOREF pin.
4. Do I need drivers to install the Arduino Uno R3?
For Linux and Mac, no additional drivers are required. For Windows, the necessary drivers are included in the Arduino IDE.
5. What programming languages can I use with the Arduino Uno R3?
The board is programmed using the Arduino IDE, which supports C and C++ programming languages.
