Arduino Pro Mini a great board that will get you up and running quickly. The Arduino Pro series is meant for users that understand the limitations of system voltage (5V), lack of connectors, and USB off-board. The Pro Mini is a microcontroller board base on the ATmega328P. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, an on-board resonator, a reset button, and holes for mounting pin headers. A six pin header can be connected to an FTDI cable to provide USB power and communication to the board. The Pro Mini Arduino is intended for semi-permanent installation in objects or exhibitions. The pin layout is compatible with the Mini Arduino.

Arduino Pro Mini Technical Details

  • Microcontroller ATmega328
  • Board Power Supply 3.35 -12 V (3.3V model) or 5 – 12 V (5V model)
  • Circuit Operating Voltage 3.3V or 5V (depending on model)
  • Digital I/O Pins 14
  • PWM Pins 6
  • UART 1
  • SPI 1
  • I2C 1
  • Analog Input Pins 6
  • External Interrupts 2
  • DC Current per I/O Pin 40 mA
  • Flash Memory 32KB of which 2 KB used by bootloader
  • SRAM 2 KB
  • Clock Speed 8 MHz (3.3V versions) or 16 MHz (5V versions)
Weight 10 g
Dimensions 10 × 5 × 5 cm
Input Voltage (V)

5 to 12

Clock Frequency (MHz)


Analog I/O Pins


Digital I/O Pins



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