Description:

  • Microcontroller: ATmega32u4
  • Operating voltage: 5 V
  • Supply voltage (recommended): 7-12 V
  • Supply voltage (limits): 6-20 V
  • Number of digital I/O pins: 20
  • Number of PWM pins: 7
  • Number of analogue input pins: 12
  • Max DC current for each I/O pins: 40 mA
  • DC current for 3.3 V out: 50 mA
  • Max DC current for 3.3 V pin: 1 A (if supplied with an external adapter)
  • Flash memory: 32 kB (ATmega32u4, 4 kB is used by bootloader)
  • SRAM: 2.5 kB (ATmega32u4)
  • EEPROM: 1kB (ATmega32u4)
  • Clock speed: 16 MHz
  • Length: 68.6 mm
  • Width: 53.4 mm
  • Weight: 20 g
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