The DFRduino Uno V3.0 from DFRobot is an Arduino Uno-compatible board ideal for learning how to code and making cool projects!
It is a simple microcontroller board fully compatible with Arduino UNO R3 and Arduino IDE open-source development environment. An Arduino board can be used to develop stand-alone interactive objects or can be connected to software on your computer (e.g. Flash, Processing, MaxMSP). The open-source IDE can be downloaded for free (currently for Mac OS X, Windows, and Linux).
This board features the ATmega16U2 programmed as a USB-to-serial converter. An added bonus is that our DFRduino is still using the DIP package AVR Chip. You can remove it to update or reprogram the chip's firmware, or even place it on a finished, more compact project.
The cool thing about our new DFRduino microcontroller is that the headers use different colours to feature I/O ports of different types:
- Red for Power Section.
- Blue for Analog I/O.
- Green for Digital I/O.
The 'Arduino UNO R3' (of which this board is compatible) is a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.
This board added SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. In future, shields will be compatible both with the board that use the AVR, which operate with 5V and with the "Arduino Due" that operate with 3.3V. The second one is a not connected pin, that is reserved for future purposes.
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