Arduino UNO R3 SMD Board

DESCRIPTION: The Arduino UNO R3 SMD ATmega328 Compatible Board is a compact and reliable microcontroller board based on the ATmega328P in a surface-mount device (SMD) package. Designed for both beginners and electronics enthusiasts, it provides a flexible platform for a wide range of projects—from basic LED circuits to robotics, IoT, and home automation.
 
KEY FEATURES:
Features the ATmega328P microcontroller in an SMD package
16 MHz crystal oscillator for stable timing
Integrated USB interface using CH340G USB-to-UART converter chip for easy programming
Expandable with Arduino shields for additional functionality
Flexible power options via USB or external supply (6–20V)
 
TECHNICAL SPECIFICATIONS:
Microcontroller: ATmega328P (SMD)
USB Connector: USB-B
Digital I/O Pins: 14 (6 PWM)
Analog Input Pins: 6
PWM Digital I/O Pins: 6
UART: Yes | I2C: Yes | SPI: Yes
Operating Voltage: 5V | Input Voltage (Nominal): 7–12V
DC Current per I/O Pin: 20 mA
Power Supply Connector: Barrel Plug
Clock Speed: 16 MHz
USB-Serial Chip: CH340G
SRAM: 2 KB | Flash Memory: 32 KB | EEPROM: 1 KB
Dimensions: 68.6 mm × 53.4 mm × 10 mm
Weight: 60 grams