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SearchtheArduinoWebsiteArduinoProMiniArduinoProMiniFrontArduinoProMiniBack(http://arduino.cc/en/Main/Buy)OverviewTheArduinoProMiniisamicrocontrollerboardbasedontheATmega168(datasheet(http://www.atmel.com/dyn/resources/prod_documents/doc2545.pdf)).Ithas14digitalinput/outputpins(ofwhich6canbeusedasPWMoutputs),8analoginputs,anon-boardresonator,aresetbutton,andholesformountingpinheaders.AsixpinheadercanbeconnectedtoanFTDIcableorSparkfunbreakoutboardtoprovideUSBpowerandcommunicationtotheboard.TheArduinoProMiniisintendedforsemi-permanentinstallationinobjectsorexhibitions.Theboardcomeswithoutpre-mountedheaders,allowingtheuseofvarioustypesofconnectorsordirectsolderingofwires.ThepinlayoutiscompatiblewiththeArduinoMini.TherearetwoversionoftheProMini.Onerunsat3.3Vand8MHz,theotherat5Vand16MHz.TheArduinoProMiniwasdesignedandmanufacturedbySparkFunElectronics.Schematic&ReferenceDesignEAGLEfiles:arduino-pro-mini-reference-design.zip(http://arduino.cc/en/uploads/Main/arduino-pro-mini-reference-design.zip)Schematic:Arduino-Pro-Mini-schematic.pdf(http://arduino.cc/en/uploads/Main/Arduino-Pro-Mini-schematic.pdf)SummaryMicrocontrollerATmega168OperatingVoltage3.3Vor5V(dependingonmodel)InputVoltage3.35-12V(3.3Vmodel)or5-12V(5Vmodel)DigitalI/OPins14(ofwhich6providePWMoutput)AnalogInputPins8DCCurrentperI/OPin40mAFlashMemory16KB(ofwhich2KBusedbybootloader)SRAM1KBEEPROM512bytesClockSpeed8MHz(3.3Vmodel)or16MHz(5Vmodel)PowerTheArduinoProMinicanbepoweredwithanFTDIcableorbreakoutboardconnectedtoitssixpinheader,orwitharegulated3.3Vor5Vsupply(dependingonthemodel)ontheVccpin.Thereisavoltageregulatoronboardsoitcanacceptvoltageupto12VDC.Ifyou'resupplyingunregulatedpowertotheboard,besuretoconnecttothe"RAW"pinonnotVCC.Thepowerpinsareasfollows:-RAW.Forsupplyingarawvoltagetotheboard.-VCC.Theregulated3.3or5voltsupply.-GND.Groundpins.MemoryTheATmega168has16KBofflashmemoryforstoringcode(ofwhich2KBisusedforthebootloader).Ithas1KBofSRAMand512bytesofEEPROM(wh
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