The Original Arduino Uno R3 Development Board is one of the most popular and reliable microcontroller boards for learning, prototyping, and building innovative electronic projects. Powered by the ATmega328P chip, it offers 14 digital I/O pins, 6 analog inputs, and a 16 MHz clock speed for stable performance. With built-in USB connectivity, onboard LEDs, and easy programming support via the Arduino IDE, this board is perfect for students, hobbyists, and professionals. The Original Arduino Uno R3 Development Board from StemVolt ensures tested quality, making it a trusted choice for robotics, automation, and IoT projects.
Related Product:
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Arduino Uno R4 WiFi Development Board
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Arduino Nano Original Microcontroller Board
Applications:
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Robotics and automation projects
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IoT and smart home development
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STEM learning and electronics education
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Embedded systems and control circuits
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DIY and hobby electronics prototyping
Specifications:
| Parameter | Details |
|---|---|
| Model Type | Arduino Uno R3 |
| Microcontroller Chip | ATmega328P |
| Operating Voltage | 5V |
| Recommended Input Voltage | 7–12V |
| Digital I/O Pins | 14 (6 PWM) |
| Analog Input Pins | 6 |
| Clock Speed | 16 MHz |
| Flash Memory | 32 KB (0.5 KB used by bootloader) |
| SRAM | 2 KB |
| EEPROM | 1 KB |
| DC Current per I/O Pin | 20 mA |
| DC Current for 3.3V Pin | 50 mA |
| Operating Temperature | -10°C to 60°C |
| Dimensions | 68.6 mm × 53.4 mm × 12.5 mm |
| Weight | 25 g |
Features:
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Genuine Arduino Uno R3 with ATmega328P microcontroller
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Compatible with Arduino IDE and USB-powered operation
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14 digital and 6 analog I/O pins for versatile connectivity
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Ideal for robotics, IoT, and automation projects
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Overvoltage and reverse polarity protection
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Designed for easy integration and reliable performance
Package Includes:
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1 × Original Arduino Uno R3 Development Board
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