Sparkfun Pro Mini 328 - Compatible with Arduino - 3.3V/8MHz SKU: 50720

Sparkfun Pro Mini 328 – Compatible with Arduino – 3.3V/8MHz

$15.29 USD

This is a 3.3V Arduino running the 8MHz bootloader, in a very small package – a Mini Arduino, you might say!

In stock

$15.29 USD


You need to wedge an Arduino into a really tiny spot? Simple – just use a SMD ‘328 IC. Oh… you want a reset, and voltage regulator too? Why didn’t you say so!

Try this – the super-flat SparkFun Arduino Pro Mini, featuring a ATMega328 at 8MHz on 3.3V. Mind you, there’s no headers and USB interface – you have to wire it up yourself, and have an offboard USB-serial cable to program it with!


  • ATmega328 running at 8MHz with external resonator (0.5% tolerance)
  • Low-voltage board needs no interfacing circuitry to popular 3.3V devices and modules (GPS, accelerometers, sensors, etc)
  • USB connection off board
  • Weighs less than 2 grams!
  • Supports auto-reset
  • 3.3V regulator
  • Max 150mA output
  • Over current protected
  • DC input 3.3V up to 12V
  • On board Power and Status LEDs
  • Analog Pins: 8
  • Digital I/Os: 14

Note: Unlike most other Arduino development boards, this one has the USB connection is off board.



More Info

Weight 0.003 kg
Dimensions 5 × 3 × 1 cm


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