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Funduino UNO R3
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The Funduino UNO R3 is an Arduino Uno-compatible development board based on the ATmega328 microcontroller. It is functionally identical to the Arduino Uno R3...
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The Funduino UNO R3 is an Arduino Uno-compatible development board based on the ATmega328 microcontroller. It is functionally identical to the Arduino Uno R3, featuring the ATmega16U2 USB controller, SDA and SCL pins next to the AREF header, and an accessible reset button near the USB connector. Includes a USB cable for programming and power.
Key Features
- Microcontroller – ATmega328
- USB Controller – ATmega16U2
- Digital I/O Pins – 14 (6 with PWM output)
- Analog Input Pins – 6
- Clock Speed – 16 MHz
- Flash Memory – 32 KB
- SRAM – 2 KB
- EEPROM – 1 KB
- Input Voltage (recommended) – 7–12V
- Input Voltage (maximum) – 6–20V
- Power Options – USB, barrel jack, or battery
Note: This is an Arduino-compatible board. It is functionally identical to the Arduino Uno R3 but is not an official Arduino-branded board.
Ideal For
- Learning Arduino programming and electronics
- Prototyping with Arduino shields and sensors
- Budget-friendly Arduino projects
Package Contents
- 1× Funduino UNO R3 board
- 1× USB cable (2 ft)
Jargon buster
Plain-language definitions for the technical terms used above.
- EEPROM
- A type of non-volatile memory that keeps stored data even when power is turned off. In a sensor module, it can be used to store settings or calibration data so they do not need to be re-entered every time.
- Flash memory
- Flash memory is non-volatile memory that retains stored data even when power is removed, and can be erased and rewritten in blocks. It lets data such as firmware, settings or saved records persist across power cycles.
- microcontroller
- A microcontroller is a small computer on a single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
- PWM
- Pulse Width Modulation is a way for a digital pin to simulate variable output power by switching on and off very quickly. It matters for controlling things like LED brightness, motor speed, or servo-style signals from a microcontroller pin.
- SRAM
- Fast temporary memory used by a processor while a program is running. More SRAM helps with projects that handle larger data buffers, networking, displays, or more complex code.
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