Arduino UNO R3 Development Board



Arduino Uno R3 is a popular microcontroller board based on the ATmega328P. It features 14 digital input/output pins, 6 analog inputs, a 16 MHz quartz crystal, a USB connection, a power jack, an ICSP header, and a reset button. This board is perfect for both beginners and advanced users who want an easy-to-use, versatile, and reliable platform for their projects.

The ATmega328P microcontroller that powers the Uno R3 has 32KB of flash memory for code storage, 2KB of SRAM for data storage, and 1KB of EEPROM for non-volatile storage. It can communicate with other devices via serial, I2C, and SPI protocols.

One of the advantages of the Arduino Uno R3 is its ease of use. It can be programmed using the free Arduino IDE software, which provides a simple and intuitive interface for writing, uploading, and debugging code. The board can be powered via USB or an external power supply, and it has a reset button for restarting the program.

The Uno R3 is also highly versatile, and it can be used for a wide range of applications, including robotics, home automation, and Internet of Things (IoT) projects. It is compatible with a variety of shields, which are add-on boards that provide additional functionality like WiFi, Bluetooth, or motor control.

In summary, the Arduino Uno R3 is an excellent microcontroller board that offers a wide range of features, easy programmability, and compatibility with a variety of shields. Whether you are a beginner or an experienced user, this board is a reliable and versatile choice for your project needs.

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Specifications Of Arduino Uno:

  • Microcontroller ATmega328 DIP
  • Operating Voltage 5V
  • Input Voltage (recommended) 7-9V
  • 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 40 mA
  • DC Current for 3.3V Pin 150 mA
  • Flash Memory 32 KB (ATmega328) of which 0.5 KB used by bootloader SRAM
  • 2 KB (ATmega 328) EPROM
  • 1 KB (ATmega 328)
  • Clock Speed 16 MHz

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