Introduction:   <br />The Funduino UNO R3 is functionally identical to the the latest version of the extremely popular and easy-to-use open source Arduino UNO. The Arduino Uno R3 uses the ATmega328 microcontroller (ATmega16U2 USB controller instead of the 8U2 found on the previous revisions of the board) and features 14 digital I/O pins (6 may be used as PWM outputs) and 6 analog input pins. The Arduino Uno R3 can be powered through a USB connection， battery， or a wall power adaptor. This package comes with comes with a 1.6ft USB cable.<br /><br /> Specs:    <br />- Microcontroller: ATmega328<br />- Operating Voltage: 5V<br />- Input Voltage (recommended): 7 - 12V<br />- Input Voltage (limits): 6 - 20V<br />- Digital I/O Pins: 14 (6 of which provide PWM outputs)<br />- Analog Input Pins: 6<br />- DC Current per I/O Pin: 40mA<br />- DC Current for 3.3V Pin: 50mA<br />- Flash Memory: 32KB (ATmega328) of which 0.5KB used by bootloader<br />- SRAM: 2KB (ATmega328)<br />- EEPROM: 1KB (ATmega328)<br />- Clock Speed: 16MHz<br /><br />Note: We would like to point out that these are compatible Arduino UNO's. They are functionally identical， but are not the official boards manufactured in Italy.<br /><br />    Specifications<br />General<br />  Type: Development board                                                  <br />                        Material: FR4                                                  <br />                        Compatibility: Arduino Uno 328                                                 <br />Weight and Size<br />  Product Weight: 28 g                                                  <br />                        Product Size(L x W x H): 7.5 x 5.3 x 1.4 cm / 3.0 x 2.1 x 0.6 inches                                                 <br />Package Contents<br />  Package Contents: 1 x Funduino UNO R3 ATmega328 Development Board， 1 x USB Cable                                                 <br /><br /><br /><br />                                                <br />