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Home / Development Boards & Control Boards / Arduino UNO R3 Development Board - Original Arduino Microcontroller Kit for C Programming Learning

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Microcontroller ATmega328P
Operating Voltage 5V
Input Voltage (recommended) 7-12V
Input Voltage (limits) 6-20V
Digital I/O Pins 14
PWM Channels 6
Analog Input Pins 6
DC Current per I/O Pin 20 mA
Flash Memory 32 KB
Clock Speed 16 MHz

5 reviews

A

Anonymous

Mar 06, 2026

Rating: 5/5

Fast Delivery

Arrived quickly and was well protected in anti-static packaging. Ready to use out of the box.

A

Anonymous

Feb 26, 2026

Rating: 5/5

Genuine Product

Works as expected. I verified the chipset and it is indeed the original ATmega328P.

A

Anonymous

Feb 15, 2026

Rating: 4/5

Great Board

The board itself is fantastic. Just note that the USB cable might be sold separately depending on the bundle.

A

Anonymous

Feb 06, 2026

Rating: 5/5

Robust Build

Survived my beginner mistakes during wiring. Very durable for a development board.

A

Anonymous

Jan 20, 2026

Rating: 5/5

Excellent Starter Kit

Perfect for learning coding and electronics. The board is responsive and easy to set up with the IDE.

5 FAQ

Q: What programming languages are supported?

A: It primarily uses C and C++ through the Arduino Wiring framework within the IDE.

Q: Is the Arduino IDE software free to use?

A: Yes, the Arduino IDE is open-source and free to download and use for all projects.

Q: Does it work with standard Arduino shields?

A: Yes, it features the standard form factor and is compatible with most Arduino shields available.

Q: Can I power this board with a 9V battery?

A: Yes, you can connect a 9V battery to the barrel jack or VIN pin within the recommended voltage limits.

Q: Is this board compatible with 3.3V sensors?

A: The board operates at 5V logic. You may need a logic level converter for 3.3V sensors to ensure safety.

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