Arduino Micro - A000053

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The Arduino Micro is a microcontroller board based on the ATmega32u4, developed in conjunction with Adafruit. It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, a micro USB connection, an ICSP header and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a micro USB cable to get started. It has a form factor that enables it to be easily placed on a breadboard. The Micro is similar to the Arduino Leonardo in that the ATmega32u4 has built-in USB communication, eliminating the need for a secondary processor. This allows the Micro to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial / COM port. It also has other implications for the behavior of the board; these are detailed on the getting started page.
  • Microcontroller:   ATmega32U4
  • Operating Voltage:   5V
  • Input Voltage (recommended):   7-12V
  • Input Voltage (limit):   6-20V
  • Digital I/O Pins:   20
  • PWM Channels:   7
  • Analog Input Channels:   12
  • DC Current per I/O Pin:   20 mA
  • DC Current for 3.3V Pin:   50 mA
  • Flash Memory:   32 KB (ATmega32U4) of which 4 KB used by bootloader
  • SRAM:   2.5 KB (ATmega32U4)
  • EEPROM:   1 KB (ATmega32U4)
  • Clock Speed:   16 MHz
  • LED_BUILTIN:   13
  • Length:   48 mm
  • Width:   18 mm
  • Weight:   13 g
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