Arduino Pro Mini Atmega328P – 5V/16MHz

Description

Introduction to Arduino Pro Mini 5V

The Arduino Pro Mini 5V/16MHz is a compact yet powerful microcontroller board, specifically designed for embedded systems and space-constrained IoT projects. Although it lacks onboard USB connectivity, its small footprint and full compatibility with the Arduino IDE make it a favorite among developers and hobbyists alike. In addition, the board offers excellent performance, making it ideal for custom and permanent installations where size and power efficiency are critical.

Key Features

• ATmega328P Microcontroller – the same chip used in the Arduino UNO
• 5V Operating Voltage – compatible with standard logic levels
• 16MHz Clock Speed – ensures fast and stable performance
• Compact Design – perfect for space-limited applications
• Low Power Consumption – ideal for battery-powered devices
• 12 Digital I/O Pins – 6 with PWM capability
• 8 Analog Inputs – for sensor interfacing
• Standard Bootloader – easy programming via external USB-to-serial adapter
• Breadboard Friendly – can be directly inserted into a breadboard for prototyping

Specifications of Arduino Pro Mini 5V

• Microcontroller: ATmega328P

• Operating Voltage: 5V

• Input Voltage: 5V (regulated) or 6–12V (via RAW pin)

• Clock Speed: 16 MHz

• Digital I/O Pins: 14 (6 with PWM output)

• Analog Input Pins: 8

• Flash Memory: 32 KB (2 KB used by bootloader)

• SRAM: 2 KB

• EEPROM: 1 KB

• Dimensions: 33mm x 18mm

• Weight: ~2 grams

Significance in IoT Applications

Because of its small size and flexibility, the Arduino Pro Mini is well-suited for embedded IoT applications where space and power constraints matter. For example, it is often used in remote sensors, wearables, and wireless communication nodes. Furthermore, its compatibility with Bluetooth, Wi-Fi, and LoRa modules allows developers to create a wide range of connected devices. Even though it doesn’t have a built-in USB port, its programmability via an FTDI adapter makes it highly adaptable. As a result, it is a go-to solution for developers building custom or commercial IoT devices.

Conclusion of Arduino Pro Mini 5V

In conclusion, the Arduino Pro Mini 5V/16MHz combines power, efficiency, and flexibility in a tiny package. While it is ideal for advanced users who need a minimal and stable platform, it also works great for learning and experimentation. Therefore, whether you’re developing a compact IoT sensor or embedding intelligence into a small device, the Pro Mini offers everything needed to bring your project to life—without compromise.

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