Description
🔍 Key Features of UNO R3 SMD Development Board
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Compatible with Arduino UNO R3
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Based on ATmega328P (SMD version)
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USB programming via CH340 chipset
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Preloaded bootloader
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Compact and durable SMD design
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Supports Arduino IDE
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Standard UNO pin layout
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Suitable for beginners and professionals
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Ideal for IoT, robotics, and automation projects
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Supplied with USB cable
⚙️ How the UNO R3 SMD Board Works
The UNO R3 SMD Development Board compatible with Arduino uses the ATmega328P microcontroller to execute user-defined programs written in the Arduino IDE. Programs are uploaded via USB using the CH340 USB interface, which converts USB signals into serial communication for the microcontroller.
The board provides multiple digital and analog I/O pins, allowing it to interface with sensors, actuators, displays, motor drivers, WiFi modules, and other peripherals. Once programmed, the board can operate independently or as part of a larger embedded system.
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | UNO R3 SMD Development Board Compatible with Arduino |
| Model Name | UNO R3 |
| Microcontroller | ATmega328P (SMD) |
| CPU Model | 68EZ328 |
| RAM Memory | 2 KB |
| Flash Memory | 32 KB |
| EEPROM | 1 KB |
| Operating Voltage | 5V |
| Input Voltage (Recommended) | 7V – 12V |
| USB Interface | CH340 |
| Clock Speed | 16 MHz |
| Digital I/O Pins | 14 |
| Analog Input Pins | 6 |
| Mounting Type | PCB |
| Board Type | Development Board |
| Compatibility | Arduino IDE |
| Condition | Brand New |
🧑💻 Programming & Software Support
The UNO R3 SMD Development Board is fully compatible with:
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Arduino IDE
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Windows, Linux, and macOS
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C / C++ based Arduino sketches
Thousands of libraries and examples are available, making development fast and beginner-friendly.
🧪 Common Applications
The UNO R3 SMD Development Board compatible with Arduino is widely used in:
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Arduino beginner projects
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Robotics and smart car projects
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Sensor interfacing
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Home automation systems
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IoT learning projects (with WiFi modules)
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LED control and displays
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Motor control using L293D / L298N
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Educational electronics labs
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DIY electronics prototyping
Its versatility makes it one of the best starter boards for embedded systems.
🎓 Ideal for Education & Training
This board is extensively used in:
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Engineering colleges and universities
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Polytechnic and ITI labs
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School STEM programs
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Arduino and IoT workshops
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Online and offline electronics training
Students can easily learn microcontroller programming, digital logic, analog sensing, and embedded system fundamentals using this board.
⚠️ Usage Notes & Best Practices
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Install CH340 driver before first use
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Select “Arduino UNO” in Arduino IDE board manager
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Avoid powering high-current devices directly from the board
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Use external power for motors and relays
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Ensure correct polarity when using external power supply
✅ Why Buy from INFYNIQS
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Genuine and tested Arduino-compatible boards
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High-quality SMD manufacturing
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Ideal for bulk educational supply
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Trusted electronic components marketplace
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Technical support for Arduino projects




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