If you’re looking for an Arduino Uno that lasts longer and performs more reliably than ordinary versions, the Most Popular Arduino Uno R3 With USB Cable | High-Quality | Grade-A is the right choice. Unlike lower-grade variants, this premium model uses high-quality components that ensure stability, reduced risk of failure, and smoother project development.
For students, hobbyists, or engineers, this board is the gold standard in robotics, IoT, and DIY electronics. The included USB cable means you can start programming right out of the box without worrying about extra accessories.
At RoboshopBD.com, we go beyond just selling parts — we provide authentic, tested products, fast delivery, and trusted after-sales support. That’s why we’re recognized as Bangladesh’s No. 1 robotics and electronics shop, serving thousands of makers and innovators nationwide.
| Specification | Details |
|---|---|
| Microcontroller | ATmega328 |
| Operating Voltage | 5V |
| Input Voltage (Recommended) | 7–12V |
| Input Voltage (Limits) | 6–20V |
| Digital I/O Pins | 14 (6 PWM outputs) |
| 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 |
| USB Interface | Type-B, included USB cable |
| Quality Grade | A (High-Quality) |
👉 Choose the Arduino Uno R3 Grade-A from RoboshopBD.com — where Bangladesh’s makers, students, and professionals shop with confidence.






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