Arduino Pro 328 – 3.3V/8MHz


  • ATmega328 running at 8MHz external resonator (select ‘Arduino Duemilanove w/ 328’ within the Arduino software).
  • Low-voltage board needs no interfacing circuitry to popular 3.3V devices and modules (GPS, Accelerometers, sensors, etc)
  • USB connection off board
  • 3.3V regulator
  • Max 150mA output
  • Over current protected
  • Reverse polarity protected
  • DC input 3.3V up to 12V
  • Resettable fuse prevents damage to board in case of short
  • Power select switch acts as on/off switch

Dimensions: 2.1×2.05″ (53.34×52.08mm)