Description The Arduino Uno R3 is a popular microcontroller board based on the ATmega328P. It is designed for easy integration into a wide range of applications, from hobby projects to professional prototyping. The board features a comprehensive set of I/O pins, communication interfaces, and power options, making it ideal for learning, experimentation, and development of embedded systems. Key Features: Microcontroller: ATmega328P 14 Digital I/O Pins (6 PWM outputs) 6 Analog Input Pins Clock Speed: 16 MHz USB connection for programming and power 32KB Flash Memory (0.5KB used by bootloader) 2KB SRAM and 1KB EEPROM Built-in Power LED Supports SPI, I2C, and UART communication Technical Specifications: Microcontroller: ATmega328P Operating Voltage: 5V Input Voltage (recommended): 7-12V Input Voltage (limits): 6-20V Digital I/O Pins: 14 (of which 6 provide PWM output) Analog Input Pins: 6 DC Current per I/O Pin: 20 mA DC Current for 3.3V Pin: 50 mA Flash Memory: 32 KB (ATmega328P) of which 0.5 KB used by bootloader SRAM: 2 KB (ATmega328P) EEPROM: 1 KB (ATmega328P) Clock Speed: 16 MHz USB Connector: Type B Dimensions: 68.6 mm x 53.4 mm Weight: 25 g Applications: Embedded system prototyping DIY electronics projects Educational tools for learning programming and electronics Robotics IoT (Internet of Things) devices Automation and control systems Usage: Programming: Connect the Arduino Uno R3 to your computer using a USB cable. Open the Arduino IDE and select the board and correct COM port. Write your program (sketch) and upload it to the board. Powering: The board can be powered via the USB connection or with an external power supply (7-12V recommended). External power can be supplied through the power jack or via the Vin pin. Interfacing: Use the digital and analog I/O pins to connect sensors, actuators, and other components. Utilize communication interfaces like SPI, I2C, and UART for connecting to other devices and modules.
