UNO R3 board for Arduino Development ATmega328P CH340 CH340G


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Among the Arduino family, the Uno R3 is the most widely used development board. This board offers 14 digital input/output pins and is based on the ATmega328 microcontroller from Atmel. Both the six analog pins and the six PWM output pins can be used. Through the use of the Arduino IDE software, the board can be programmed via USB port. The board can be utilized for many different robotics and electronics applications, ranging from simple to complex.


– Microcontroller: ATmega328

– Operating Voltage: 5V

– Input Voltage (recommended): 7-9V

– 14 digital I/O pins (of which 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), of which 0.5 KB is used by the bootloader

– SRAM: 2 KB (ATmega328)

– EEPROM: 1 KB (ATmega328)

– Clock Speed: 16 MHz


DIP, CH340G, DIP (no cable), CH340G (no cable)


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