Arduino UNO R3 - South Africa Arduino, Robotics & Electronics Supplier South Africa: R149.00
Leobot Electronics South Africa (Pretoria)
Pretoria, South Africa
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Arduino UNO R3
  • Arduino UNO R3
  • Arduino UNO R3
  • Arduino UNO R3
  • Arduino UNO R3
  • Arduino UNO R3

#530: Arduino UNO R3


The Arduino UNO R3 is a popular microcontroller board designed for beginners and professionals alike. It is based on the ATmega328P microcontroller and features 14 digital input/output pins, 6 analog inputs, a USB connection, and a 16 MHz quartz crystal oscillator.

The board is compatible with a wide range of sensors, actuators, and shields, making it ideal for a wide range of applications. It can be programmed using the Arduino Integrated Development Environment (IDE), a user-friendly software that allows for easy programming and uploading of code.

The digital input/output pins on the board can be used for a wide range of applications, including controlling LEDs, motors, and other devices. The analog inputs can be used to read signals from sensors, such as temperature sensors and light sensors.

The Arduino UNO R3 board also features a range of communication protocols, including I2C, SPI, and UART, which allows for easy communication with other devices, such as displays, sensors, and other microcontrollers.

The board can be powered using a USB connection or an external power supply, and it features a built-in voltage regulator that ensures stable and consistent voltage output.

Overall, the Arduino UNO R3 is an excellent microcontroller board that is easy to use, versatile, and compatible with a wide range of sensors, actuators, and shields. Its popularity and wide range of resources and tutorials available online make it an ideal choice for beginners and professionals alike.



The Arduino Uno R3 is the entry point for anyone interested in robotics and microcontroller programming. 

It is designed to be easy to add and remove components without soldering. It is essentially a small computer that can be programmed.

Can be powered by battery, from a wall-plug or directly from a USB-cable from your computer.

The Arduino makes electronics easy and instead of having to worry about resistors, capacitors and inductors, you can simply focus on purchasing modules that will accomplish what you need for your project.

This is the open-source (and much cheaper) version of the Official Arduino Uno R3. 

All the information you need to get started with Aruinos can be found at 


The Arduino UNO is a microcontroller board based on the ATmega328 microcontroller. It is one of the most popular boards in the Arduino lineup and is widely used for a variety of projects, including DIY projects, robotics, Internet of Things (IoT) applications, and more.

The Arduino UNO has a number of features that make it easy to use and versatile. It has a microcontroller that can be programmed using the Arduino Integrated Development Environment (IDE), which is a free software tool that allows you to write and upload code to the board. The board also has a number of input/output (I/O) pins that can be used to connect sensors, actuators, and other devices to the board.

The Arduino UNO is an open-source platform, which means that the hardware and software designs are publicly available and can be modified by anyone. This has made it a popular choice for hobbyists, educators, and professionals, and it is used in a wide range of projects around the world.

The Arduino has taken South Africa by revolution all the way from Johannesburg to Durban to Port Elizabeth to Cape Town! Yet ironically enough, the Arduino is often used in rural settings far away from the cities, running on only on a solar panel and batteries.

Product Details


Microcontroller ATmega328P
Operating Voltage 5V
Input Voltage (recommended) 7-12V
Input Voltage (limit) 6-20V
Digital I/O Pins 14 (of which 6 provide PWM output)
PWM Digital I/O Pins 6
Analog Input Pins 6
DC Current per I/O Pin 20 mA
DC Current for 3.3V Pin 50 mA
Flash Memory 32 KB (ATmega328P) of which 0.5 KB used by bootloader
SRAM 2 KB (ATmega328P)
EEPROM 1 KB (ATmega328P)
Clock Speed 16 MHz
Length 68.6 mm
Width 53.4 mm
Weight 25 g

Awesome Arduino Uno enclosures available here 

(No Usb Cable Included)

Product Details

Est. Packaging Size Specifications



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Arduino UNO R3

Regular price: R149.00
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