Pro Micro - 3.3V/8MHz - DEV-12587 - SparkFun Electronics

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Pro Micro - 3.3V/8MHz - DEV-12587 - SparkFun Electronics

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Pro Micro - 3.3V/8MHz - DEV-12587 - SparkFun Electronics

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The Arduino Micro has a built-in USB port that makes the Micro recognizable as a mouse or keyboard.The Micro is a microcontroller board based on the ATmega32U4 which was developed in cooperation with Adafruit. It has 20 digital input/output pins 7 of which can be used as PWM outputs and 12 as analogueue inputs a 16 MHz crystal oscillator a micro USB connection an ICSP header and a reset button.

Arduino Micro Without Headers A000093