🔹 Arduino Uno R3 SMD CH340G Development Board – with USB Cable
This Arduino Uno R3 SMD is a cost-effective, fully compatible alternative to the official Arduino board. It uses the CH340G USB-to-Serial chip and features the ATmega328P microcontroller in a compact SMD package, making it an excellent choice for beginners and professionals alike .
✅ Specifications:
Microcontroller: ATmega328P (SMD package)
USB-to-Serial: CH340G chip
Operating Voltage: 5V
Input Voltage (recommended): 7-12V
Input Voltage (limit): 6-20V
Digital I/O Pins: 14 (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 (0.5 KB used by bootloader)
SRAM: 2 KB
EEPROM: 1 KB
Clock Speed: 16 MHz
PCB Dimensions: 75mm x 54mm x 12mm
📦 Package Includes:
✔️ 1 x Arduino Uno R3 SMD Development Board
✔️ 1 x USB A to USB B Cable (approx. 30cm)
📦 Features:
✔️ Cost-Effective Alternative – Uses CH340G instead of ATmega16U2, significantly reducing cost without compromising functionality
✔️ SMD ATmega328P – The microcontroller is surface-mounted for a compact and reliable design
✔️ Broad Compatibility – Fully compatible with Arduino IDE, shields, and standard Arduino libraries
✔️ Complete Starter Package – Includes USB cable and pre-soldered pin headers in many variants, ready for immediate use
✔️ Driver Installation Required – CH340G requires a driver on some operating systems (downloadable for Windows, Mac, Linux)
📦 Applications:
✔️ Learning and prototyping electronics projects
✔️ 3D printers, robots, and automation systems
✔️ IoT and sensor-based projects
✔️ Educational kits and STEM activities
✔️ DIY electronics and hobbyist projects



















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