Arduino Pro Mini

The Arduino Pro Mini is developed for applications and installations where space is premium and projects are made as permanent set ups. Small, available in 3.3 V and 5 V versions, powered by ATmega328   ATmega328 running at 16MHz with external resonator (0.5% tolerance) 0.8mm Thin PCB USB connection off board Supports auto-reset 5V regulator Max 150mA output Over current protected Weighs less than 2 grams! DC input 5V up to 12V On board Power and Status LEDs Analog Pins: 8 Digital I/Os: 14 0.7×1.3″ (18x33mm