The Arduino Pro Mini 5V 16MHz is a lightweight, breadboard-friendly version of the Arduino board designed for embedded applications where size, power, and cost matter. Powered by the ATmega328P microcontroller, this board runs at 16MHz clock speed and operates at 5V logic level, making it compatible with most sensors and modules used in Arduino projects.
Unlike other Arduino boards, it doesn’t come with a USB interface onboard. You’ll need an FTDI USB-to-Serial adapter or CH340 module to upload your sketches. This feature makes it ideal for final installations or battery-powered devices where USB support is not needed after programming.
This board is widely used in IoT systems, wearables, DIY electronics, and robotic control applications where space-saving and efficiency are important.
⭐ Key Features:
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🧠 Based on the ATmega328P microcontroller
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⚙️ Runs at 16 MHz clock speed for fast performance
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🔋 Operates at 5V — compatible with most Arduino modules
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🛠️ Compact, minimal design — perfect for embedding in custom PCBs
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📥 Requires external USB-to-Serial (FTDI/CH340) for programming
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💡 Ideal for space-limited applications, IoT, and battery-powered devices
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🧩 Works with Arduino IDE and standard Arduino libraries
⚙️ Technical Specifications:
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Microcontroller: ATmega328P
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Operating Voltage: 5V
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Input Voltage: 5–12V (via VCC/RAW pins)
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Clock Speed: 16 MHz
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Digital I/O Pins: 14 (6 PWM outputs)
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Analog Input Pins: 8
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Flash Memory: 32 KB (of which 2 KB is used by bootloader)
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SRAM: 2 KB
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EEPROM: 1 KB
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Communication: UART, I2C, SPI
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Programming Interface: 6-pin header for FTDI/CH340 USB-Serial adapter
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Dimensions: 33 mm × 18 mm
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Weight: ~2g
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