The Arduino Uno is an open-source microcontroller board based on the ATmega328P 8-bit Microcontroller (MCU).
DFRobot provides open-source hardware, kits and robotics dedicated to bringing innovative electronics.
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Based on the ATmega328. Open-source physical computing platform. RoHS Compliant. The DFRduino Uno USB Microcontroller V2.0board is 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.
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