Olimex

FEATURESATMEGA32U4 microcontroller, all in one USB communication no need for external FTDI chip.mini USB connectorInput power supply 7-12VDCULTRA LOW POWER voltage regulators and the consumption is only few microamps, which enables hand-held and battery powered applications.Li-Ion rechargeable battery power supply option with a BUILD-IN on board charger, so when you attach a battery, it is autom..

FEATURES ATMEGA328 microcontrollercan work at different frequencies with an easy exchange of the quartz crystal on socket.DCDC power supply allows power input voltage from 9 to 30V DC thus making it possible to take virtually any power supply adapter on the market, and to enable applications which are in the industrial power supply of 24VDC.Carefully selected, all of the components work..