ARDUINO UNO R3 SMD ITALY The Arduino Uno Rev3 SMD is a microcontroller board built around the ATmega328 chip. It features 14 digital input/output pins (6 of which support PWM output), 6 analog inputs, a 16 MHz ceramic resonator (CSTCE16M0V53-R0), a USB connection, a power jack, an ICSP header, and a reset button. The board includes all the essential components to run the microcontroller, making it easy to get started by connecting it to a computer via USB or powering it with an AC-to-DC adapter or battery. What sets the Uno apart from earlier boards is the absence of the FTDI USB-to-serial driver chip, offering a different approach to USB communication. The R3 version introduces several enhancements: The ATmega16U2 replaces the 8U2 as the USB-to-Serial converter. A revised 1.0 pinout adds SDA and SCL pins for TWI communication near the AREF pin, along with two additional pins near the RESET pin: IOREF, which enables shields to adapt to the board’s voltage, and a reserved pin for future use. An improved RESET circuit for greater reliability. Microcontroller ATmega328P Operating Voltage 5V Input Voltage (recommended) 7-12V Input Voltage (limit) 6-20V Digital I/O Pins 14 (of which 6 provide PWM output) PWM Digital I/O Pins 6 Analog Input Pins 6 DC Current per I/O Pin 20 mA DC Current for 3.3V Pin 50 mA Flash Memory 32 KB (ATmega328P) of which 0.5 KB used by bootloader SRAM 2 KB (ATmega328P) EEPROM 1 KB (ATmega328P) Clock Speed 16 MHz LED_BUILTIN 13 Length 68.6 mm Width 53.4 mm Weight 25 g نعتذر الشراء من الموقع متوقف مؤقتا We apologize : purchasing from our website is temporarily stopped
