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Arduino UNO R3 SMD Edition – ATmega328P
₹210.0
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The Arduino UNO SMD Edition is a microcontroller board based on the ATmega328P microcontroller, with the key difference being that the chip is surface-mounted (SMD) instead of DIP (through-hole). This board offers the same features as the standard UNO R3 but has a more compact layout and better automated manufacturing compatibility.
It is the go-to development board for beginners, hobbyists, and engineers working on electronics, automation, and IoT projects. Fully compatible with Arduino IDE, sensors, shields, and libraries.
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Product Specifications
| Specification | Details |
|---|---|
| Microcontroller | ATmega328P (SMD – Surface Mount) |
| Operating Voltage | 5V |
| Input Voltage (recommended) | 7V – 12V |
| Input Voltage (limit | 6V – 20V |
| Digital I/O Pins | 14 (of which 6 provide PWM output) |
| Analog Input Pins | 6 |
| Flash Memory | 32 KB (0.5 KB used by bootloader) |
| SRAM | 2 KB |
| Clock Speed | 16 MHz |
| USB Interface | Type-B USB or micro USB (varies) |
| Communication | UART, SPI, I2C |
| Dimensions (approx.) | 68.6 mm x 53.4 mm |
Key Features
- Uses SMD ATmega328P
- making it slightly more compact and harder to replace than DIP chips.
- Fully compatible with Arduino IDE.
- USB-powered or external barrel jack supply.
- Reset button for easy program restart.
- Onboard voltage regulator (5V and 3.3V outputs available).
- Works with shields and modules made for the Arduino UNO R3.
Applications
- DIY electronics projects
- Robotics control
- IoT and automation systems
- Motor and sensor interfacing
- Educational learning kits
Frequently Asked Questions
🅰️ The SMD version has a surface-mounted chip (non-removable), while the DIP version has a through-hole
🅰️ Yes, using an external programmer via ISP header.
🅰️ Yes, the board maintains the same form factor and pinout.
🅰️ Absolutely! It is one of the most popular choices for Arduino beginners.