The Arduino Pro Mini ATmega328 3.3V 8MHz is a compact, low-power microcontroller board designed for embedded applications and space-constrained projects. Ideal for battery-powered systems, it delivers full Arduino functionality in a minimal footprint.

Key Features:

• ATmega328 Microcontroller: Reliable and widely supported Arduino MCU
• 3.3V Operating Voltage: Perfect for low-power and Li-ion/LiPo projects
• 8MHz Clock Speed: Optimized for stable 3.3V operation
• Compact & Lightweight: Ideal for embedded and wearable designs
• Arduino Compatible: Fully supported by the Arduino IDE
• Flexible I/O: Multiple digital, analog, and PWM pins

Specifications:

• Microcontroller: ATmega328
• Operating Voltage: 3.3V
• Input Voltage (RAW Pin): 3.35V – 9V (recommended)
• Clock Speed: 8MHz
• Flash Memory: 32KB (2KB used by bootloader)
• SRAM: 2KB
• EEPROM: 1KB
• Digital I/O Pins: 14 (6 PWM)
• Analog Input Pins: 8
• DC Current per I/O Pin: 40mA (max)
• Communication Interfaces: UART, SPI, I2C
• Programming Interface: FTDI / USB-to-TTL adapter

Applications:

• Battery-powered Arduino projects
• IoT and sensor nodes
• Wearables and compact devices
• Embedded control systems
• DIY electronics and prototyping