The DFRduino UNO V3.0 from DFRobot is a compact physical computing board ideal for both academic use and development. This microcontroller board is fully compatible with Arduino UNO R3 and the Arduino IDE open-source development environment, which supports the Processing / Wiring language. As a premium DFRobot Arduino compatible solution, the DFRduino UNO V3.0 provides the reliability needed for professional prototyping. You can use the DFRduino UNO V3.0 to build stand-alone interactive objects or connect it to software on your computer (such as Flash, Processing, MaxMSP). The open-source Arduino IDE can be downloaded for free and supports Mac OS X, Windows, and Linux. This microcontroller board is the perfect starting point for anyone exploring the Arduino UNO R3 ecosystem. Board Features of the DFRduino UNO V3.0 This microcontroller board uses the ATmega16U2 as a USB-to-serial converter and retains the DIP package AVR Chip (ATmega328), allowing for easy reprogramming or replacement, just like a standard Arduino UNO R3. A standout feature of this DFRobot Arduino board is the enhanced connectivity design. A key feature of the DFRduino UNO V3.0 is the use of color-coded headers for different I/O port types: Red for Power Section Blue for Analog I/O Green for Digital I/O These colors match DFRobot’s sensor cables, making it easier to identify where to connect sensors to your microcontroller board and distinguish between Analog and Digital pins on the DFRduino UNO V3.0. Technical Specifications: DFRobot Arduino UNO Parameter Description of DFRduino UNO V3.0 Microcontroller ATmega328 (DIP package) - compatible with Arduino UNO R3 Operating Voltage 5V (Standard Microcontroller Board voltage) Input Voltage 7V–12V DC (recommended for DFRobot Arduino) Output Voltage 5V DC and 3.3V DC Clock Speed 16 MHz Bootloader Arduino Uno (fully Arduino IDE compatible) Digital I/O Pins 14 (6 provide PWM output) Analog Input Pins 6 DC Current per I/O Pin 40 mA DC Current for 3.3V Pin 50 mA Flash Memory 32 KB (ATmega328) SRAM 2 KB (ATmega328) EEPROM 1 KB (ATmega328) Dimensions 75 x 54 x 15 mm Weight 45 g USB Connection A-B USB cable IDE Support Arduino IDE 1.0 and above Environment Friendly RoHS Compliant Interface & Compatibility of DFRobot Arduino Supports UART, I2C, and SPI ICSP Header for firmware upload on the DFRduino UNO V3.0 RESET Button USB Interface supports both programming and power supply for this microcontroller board SDA and SCL pins near the AREF pin IOREF pin supports shields that adapt to 3.3V or 5V systems Fully compatible with all Arduino UNO R3 shields and the Arduino IDE Applications for DFRduino UNO V3.0 STEM education using the DFRduino UNO V3.0 DIY electronics projects with DFRobot Arduino boards Smart home systems powered by this microcontroller board Rapid prototyping with Arduino UNO R3 compatibility Shipping List DFRduino Uno V3.0 (Arduino UNO R3 compatible) x1 Reference for your DFRobot Arduino Project ATmega328P datasheet DFRobot Arduino Compatible Microcontrollers Selection Guide
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