UNO R3 SMD ATMega328P CH340 Arduino Compatible Development Board
A highly affordable, performance-driven UNO R3 development board featuring a surface-mounted ATmega328P microcontroller and a CH340 USB driver chip. Fully compatible with the Arduino IDE and all standard shields, this budget-friendly clone is the perfect hardware choice for students, hobbyists, and makers learning coding or building robotics projects.
₹ 225
₹ 309
The Arduino UNO R3 SMD is a popular development board based on the ATmega328P microcontroller in SMD (Surface Mount Device) form. It is widely used for learning electronics, prototyping, robotics, IoT systems, and embedded applications. It is fully compatible with Arduino IDE and supports a large ecosystem of sensors and modules.
Key Features
- Based on ATmega328P microcontroller (SMD version)
- Easy USB programming and serial communication
- Compatible with Arduino IDE
- Multiple digital and analog I/O pins
- Supports UART, SPI, and I2C communication
- Built-in voltage regulator
- Widely used for prototyping and education
Technical Specifications
| Parameter | Specification |
|---|---|
| MCU | ATmega328P (SMD version) |
| Operating Voltage | 5V DC |
| Input Voltage | 7V – 12V (recommended) |
| Digital I/O Pins | 14 (6 PWM outputs) |
| Analog Inputs | 6 |
| Flash Memory | 32 KB (bootloader included) |
| SRAM | 2 KB |
| EEPROM | 1 KB |
| Clock Speed | 16 MHz |
| USB Interface | ATmega16U2 / CH340 (variant dependent) |
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