Description
The Arduino Pro Mini ATmega328P 3.3V / 8MHz is a small, lightweight, and energy-efficient microcontroller board designed for embedded applications where space and power consumption are critical.
Unlike the Arduino Uno, the Pro Mini does not include a built-in USB interface, making it more compact and suitable for permanent installations. It is programmed using an external USB-to-Serial adapter such as FTDI or CP2102.
Running at 3.3V and 8MHz, this version is optimized for low-power operation, making it ideal for battery-powered projects, wireless applications, and IoT devices.
Despite its small size, it offers the same functionality as the Arduino Uno, with digital and analog I/O pins, PWM outputs, and compatibility with the Arduino IDE.
Key Features
- Based on ATmega328P microcontroller
- Operates at 3.3V and 8MHz for low power consumption
- Compact and lightweight design
- Suitable for embedded and permanent projects
- Compatible with Arduino IDE
- Requires external USB-to-Serial adapter for programming
- Breadboard-friendly pin layout
Technical Specifications
- Microcontroller: ATmega328P
- Operating Voltage: 3.3V
- Clock Speed: 8 MHz
- Digital I/O Pins: 14 (6 PWM outputs)
- Analog Input Pins: 6
- Flash Memory: 32KB (0.5KB used by bootloader)
- SRAM: 2KB
- EEPROM: 1KB
- Communication: UART, SPI, I2C
- Programming Interface: External USB-to-Serial (FTDI/CP2102)
- Dimensions: Approx. 33mm × 18mm
Package Includes
- 1 × Arduino Pro Mini ATmega328P 3.3V / 8MHz
Applications
- Battery-powered IoT devices
- Embedded systems
- Wearable electronics
- Wireless sensor nodes
- Compact robotics projects
Note
This board does not include a USB interface. A USB-to-Serial converter is required for programming.
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