Description:

The Arduino Uno R3 SMD is a microcontroller board based on the ATmega328P in a Surface-Mount Device (SMD) package. This version is favored for its lower profile and compact design. Like the DIP version, it features 14 digital input/output pins (6 of which can be used as PWM outputs), 6 analog inputs, a 16 MHz quartz crystal, a USB connection, a power jack, an ICSP header, and a reset button. The SMD version is more challenging to repair if the microcontroller gets damaged, as the chip is soldered directly onto the board.

Features:

• Microcontroller: ATmega328P (SMD)
• Operating Voltage: 5V
• Input Voltage (recommended): 7-12V
• Input Voltage (limit): 6-20V
• Digital I/O Pins: 14 (6 PWM outputs)
• 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
• USB Connection: Yes
• Power Jack: Yes
• ICSP Header: Yes
• Reset Button: Yes

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