Arduino UNO R3 is one of the most popular and widely used microcontroller development boards for electronics projects, embedded systems, and educational training. Based on the ATmega328P microcontroller, it provides a simple and flexible platform for beginners and professionals to design, prototype, and test electronic circuits.
⸻
Key Features:
• ATmega328P microcontroller
• Operating Voltage: 5V
• Input Voltage (recommended): 7–12V
• 14 Digital I/O Pins (6 PWM outputs)
• 6 Analog Input Pins
• 16 MHz crystal oscillator
• USB connection for programming
• DC power jack
Applications:
• Embedded systems development
• Robotics and automation projects
• IoT projects
• Sensor interfacing
• DIY electronics projects