🧠 ATmega328 Microcontroller – The Core of Arduino UNO
The ATmega328 is a powerful and popular 8-bit AVR microcontroller commonly used in Arduino UNO and embedded applications. It balances performance, pin availability, and ease of programming, making it ideal for hobbyists and developers alike.
✅ Technical Specifications:
- Architecture: 8-bit AVR
- Package: 28-pin DIP
- Clock Speed: Up to 20 MHz
- Flash Memory: 32 KB (0.5 KB for bootloader)
- SRAM: 2 KB
- EEPROM: 1 KB
- PWM Channels: 6
- ADC Channels: 8 (10-bit resolution)
- Interfaces: UART, SPI, I2C
- Operating Voltage: 1.8V – 5.5V
- Programming: ISP or Arduino bootloader
- Operating Temperature: -40°C to +85°C
- 📌 Common Applications:Arduino UNO and Nano boards
- Robotics and motor control
- Sensor and actuator interfaces
- Educational electronics kits
- Embedded systems and commercial products
- Smart control and automation devices
⚖️ Approximate Weight:
7 grams