The Arduino Uno R3 is one of the most popular and versatile microcontroller boards used in DIY electronics, automation, IoT, and robotics projects. Built around the ATmega328P microcontroller, it offers a simple platform for developing interactive objects or environments.
This board is fully compatible with the Arduino IDE and supports programming via the included USB cable. It comes equipped with 14 digital I/O pins, 6 analog input pins, PWM support, UART, I2C, and SPI interfaces — making it ideal for a wide range of projects, from sensor interfacing to motor control and IoT systems.
Whether you are a student, hobbyist, or engineer, the Arduino Uno R3 is a reliable and beginner-friendly microcontroller for all your embedded system needs.
⭐ Key Features:
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⚙️ Based on ATmega328P microcontroller
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🔌 Comes with a USB Type-B cable for programming & power
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🎯 14 digital I/O pins (6 PWM capable), 6 analog inputs
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🔄 Supports UART, SPI, I2C communication
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⚡ Operating Voltage: 5V, input voltage: 7-12V recommended
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🧰 Compatible with Arduino IDE & Windows/Mac/Linux
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💻 Ideal for prototyping, automation, IoT, and robotics
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📥 Plug-and-play – ready to use out of the box
⚙️ Technical Specifications:
| Parameter | Specification |
|---|---|
| Microcontroller | ATmega328P |
| Operating Voltage | 5V |
| Input Voltage (recommended) | 7V – 12V |
| Digital I/O Pins | 14 (6 with PWM output) |
| Analog Input Pins | 6 |
| Clock Speed | 16 MHz |
| Flash Memory | 32 KB (0.5 KB used by bootloader) |
| SRAM | 2 KB |
| EEPROM | 1 KB |
| USB Interface | USB Type-B (cable included) |
| Dimensions | Approx. 68.6mm x 53.4mm |
| Compatibility | Arduino IDE, Windows, Mac, Linux |
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