Arduino Uno R3
- ATmega328P microcontroller with 14 digital I/O pins.
- 6 PWM outputs and 6 analog input pins.
Description
The Arduino Uno R3 is a versatile and beginner-friendly microcontroller development board widely used in electronics, robotics and automation projects. Powered by the ATmega328P microcontroller, it provides 14 digital input/output pins, including 6 PWM outputs, and 6 analog input pins for connecting various sensors and electronic components. The board can be easily programmed using the Arduino IDE through its USB interface. It supports a wide range of libraries, shields and external modules, making it suitable for building robots, sensor monitoring systems, smart home applications and interactive electronic prototypes. Its simple programming environment and extensive community support make it an excellent choice for students, hobbyists and professional developers.
Specifications
| Product Name | Arduino Uno R3 Development Board |
|---|---|
| Microcontroller | ATmega328P |
| Operating Voltage | 5V |
| Recommended Input Voltage | 7–12V |
| Digital I/O Pins | 14 |
| PWM Output Pins | 6 |
| Analog Input Pins | 6 |
| Flash Memory | 32 KB (0.5 KB used by bootloader) |
| SRAM | 2 KB |
| EEPROM | 1 KB |
| Clock Speed | 16 MHz |
| USB Interface | USB Type-B (compatible board; interface chip may vary) |
| Communication | UART, SPI, I2C |
| Programming Environment | Arduino IDE |
| Logic Level | 5V |