placementandsolderjoint.Useasolder suckerorasolderabsorberincaseof misplacingcomponenttoprotectPCB fromdamage. TestingandUsing GSK-184 UFO CHASING Whentheassemblyiscompleted,supply9 VDCandtheLEDswillbeginchasing.This LIGHTS, 8 LEDs meansthecircuitiscorrectandreadyto operate. Thisisachasinglightcircuitwithmultiple selectablepatternsandadjustablechasing Changingthepattern(seetable1) speeds.Thesmall,lowvoltagePCboard 1. PushandholdMODEswitchuntilLEDs makesforeasyplacementinanylocation. turnon,thenreleaseMODEswitch. TechnicalSpecifications 2. Ifyouwanttoselectallpatterns,push -Powersupply:9VDC. andholdMODEswitchuntilLEDlight -Consumption:150mAMax. ison,andpushSPEEDswitchuntilall -Chasingspeedadjustedupto12levels. LEDlightsareon,releaseboth -17chasingpatternsavailable. switches.Butifyouwanttochaseone -PCBdimensions:2.20x2.20. pattern,pushandholdMODEswitch untilLEDlightison,andrelease Howitworks switch. ThecircuitdiagramisshowninFigure1. Themostimportantpartisthe Changingthechasingspeed(seetable1) microcontrollerIC1whichwas PushSPEEDswitchwillbeincreasedspeed programmedbythefactory.Theprogram byonestep.Whenthespeedisadjusted wasdesignedtoselectvariouschasing toNo.12,itwillreturntoNo.1. patternsbyMODEswitch.Thechasing speedcanalsobeadjustedbyusingSPEED switch. CircuitAssembling Externalconnectingandcomponent locationsareshowninFigure2.Itis recommendedtoassemblethecircuit startingwithlowerheightcomponentfirst, i.e.,diodes,resistor,electrolyticcapacitors andtransistors,etc. Becarefulwhileassemblingandcheckfor matchingofPCBandcomponentpolarity beforesolderingasshowninFigure3. Useamaximum40Wsolderingironand solderwithatinandleadratioof60/40. Rechecktheassembledcircuitforproper www.globalspecialties.com