ARDUINO Pro Micro (Compatible) ATmega32U4 5V 16MhZ

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  • The Pro Micro (Compatible) is similar to the Pro Mini (Compatible), except with a built-in ATmega32U4.
  • The USB transceiver inside the 32U4 allows us to add Integrated and eliminated USB connectivity with a bulky external USB interface.
  • This little board works for Arduino tricks you are familiar with:
  • 4 channels of 10-bit ADC, 5 PWM pins, 12 DIOs, as well as Rx and Tx hardware serial connections.
  • Running at 16MHz and 5V, there is a voltage regulator on board, so it can accept voltage up to 12VDC.
  • If you are supplying unregulated power to the board, be sure to connect to the "RAW" pin, not VCC.
  • This latest revision fixes the silk bug from the latest version of the board so that pin 14 is labeled correctly.
  • We have also added a PTC fuse and diode protection to the power circuit and corrected the RX and TX LED circuit.


  • ATMega 32U4 running at 5V / 16MHz
  • Compatible with Arduino IDE v1.0.1
  • Integrated MINI USB connector for programming
  • 4 x 10-bit ADC pins
  • 12 x Digital I / O (5 are PWM capable)
  • Hardware Rx and Tx serial connections
  • Our smallest for Arduino Compatible board!

Package Included:

1 x Pro Micro ATmega32U4 5V 16MHz 

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