Reference: RBD-4023
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This Arduino Uno R3 was sourced from an unofficial supplier and is therefore marked as an unofficial version. If you need the official Arduino Uno R3, you can find it here: Official Arduino Uno R3.
USB Programming cable is not included.
Made in China
Very Close to original Arduino Uno R3
If you need Original Arduino Uno R3 Click Here
The Arduino Uno R3 is one of the most popular and reliable microcontroller development boards used worldwide for embedded systems, robotics, IoT, and automation projects. Built around the ATmega328 microcontroller, it operates at 5V with a 16 MHz clock speed, delivering stable and efficient performance for both beginners and professionals.
This board provides 14 digital I/O pins, including 6 PWM outputs, and 6 analog input pins with 10-bit resolution. With 32KB Flash memory, 2KB SRAM, and 1KB EEPROM, it offers sufficient memory for most embedded applications. You can power the board directly via USB, DC adapter, or battery, and it automatically selects the power source.
The Arduino Uno R3 comes preloaded with a bootloader, allowing you to upload code directly from the Arduino IDE without an external programmer. It supports UART, SPI, and I2C communication, making integration with sensors, displays, motor drivers, and communication modules simple.
If you need USB communication with your computer, you can use a standard USB cable. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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ATmega328 Microcontroller – Reliable 8-bit MCU widely used in education and industry.
14 Digital I/O Pins – Supports input/output operations with 6 PWM outputs for motor and LED control.
6 Analog Inputs (10-bit Resolution) – Ideal for sensor interfacing and data acquisition.
Multiple Communication Protocols – Supports UART, SPI, and I2C for flexible integration.
Automatic Power Selection – Switches between USB and external power seamlessly.
USB Overcurrent Protection – Resettable polyfuse protects your computer’s USB port.
Bootloader Pre-installed – Allows direct programming from Arduino IDE.
Wide Compatibility – Supports thousands of Arduino libraries and shields.
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Robotics Projects – Control motors, sensors, and actuators easily.
IoT Prototyping – Interface with WiFi, Bluetooth, and GSM modules.
Educational Learning – Perfect board for beginners learning embedded systems.
Home Automation – Build smart switches, controllers, and monitoring systems.
Industrial Prototyping – Develop proof-of-concept embedded control systems.
DIY Electronics Projects – LED control, sensor logging, automation experiments.
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| General Specifications | |
| Model Type | UNO Rev R3 |
| Microcontroller | ATmega328 |
| Operating Voltage | 5V |
| Input Voltage (Recommended) | 7–12V |
| Input Voltage (Limit) | 6–20V |
| Digital I/O Pins | 14 (6 PWM) |
| Analog Input Pins | 6 |
| PWM Digital I/O Pins | 6 |
| DC Current per I/O Pin | 40 mA |
| DC Current for 3.3V Pin | 50 mA |
| Clock Speed | 16 MHz |
| Flash Memory | 32 KB (0.5 KB used by bootloader) |
| SRAM | 2 KB |
| EEPROM | 1 KB |
| Communication | UART, SPI, I2C |
| Onboard LEDs | Power, TX, RX, L (Pin 13) |
| USB Protection | Resettable Polyfuse |
| Weight | 54g (with cable) |
| Shipment Weight | 0.054 kg |
| Shipment Dimensions | 9 × 6 × 4 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x Arduino Uno R3
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This Arduino Uno R3 was sourced from an unofficial supplier and is therefore marked as an unofficial version. If you need the official Arduino Uno R3, you can find it here: Official Arduino Uno R3.
USB Programming cable is not included.
Made in China
Very Close to original Arduino Uno R3
If you need Original Arduino Uno R3 Click Here
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