资源描述：
《EC1204B_Electronic welding assembly Tutorials》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、EC1204Pv1.2ElectronicweldingassemblyTutorialsWeldingsequence:lowtohighNote:Step5andStep7cannotturn,ornotassembledwelding.Step1:CompleteSMDcomponentswelding;followingtwochartsPNPTransistor：Q1、Q6、Q7、Q8、Q9、Q10、Q11、Q12、Q13)10KResistor：R6、R12、R14、R16、R18、R20、R26、R29、R31、R32、R33、R34、R3547ohmResisto
2、r：R5、R11、R13、R15、R17、R19、R25、R27、R3020pFapacitance：C3、C4104capacitance：C2、C5PNPTransistor：Q2、Q3、Q4、Q510KResistor：R1、R2、R3、R4、R2147ohmResistor：R7、R8、R9、R1020pFcapacitance：C6、C7Step2:Weldingand32.768KHz12MHzcrystaloscillator,cutexcesspinflat32.768KHzcrystalshownaboveisrecommendedforwelding,soyo
3、ucanholdthecrystal.Step3:torchlightsinstalled,notethelocationofthe+andredlightinstallation,D5*、D10*、D15*、D20*、D25*、D30*、D35*、D40*、D45*、D50*、D55*、D60*aretheredlights.afterassemblingbooksandotherthingstosuppresstheformationofallthelights,andthenrewindoverandsolderonepinofapin,finishedweld60LEDl
4、ightswillcutallofitspinsStep4:WeldingsensorDS18B20,cutflatextrapins.Step5:WeldingthreebuttonsRST,MODE,PLUS;8-pinICsocketU2;40-pinICsocketU1;batteryholderBT1.Step6:8-pinICcutflatseatandbatteryholderonextrapinsNote:Thisstepmustbe,otherwisethebackoftheLEDwillnotbeassembled.Step7:WeldingatDS1digi
5、taltube,cutflatextrapins,notethedirectionofdigitaltubeplacement,upsidedownLEDwillnotbedisplayed.Note:ThefourdotsdigitalcontrolwordtobeheadingEC1204BV1.2side,asindicatedbyanarrowStep8:Welding6-pinpin,note:four6-pinpinpinpadnexttothereserved,nowelding.Step9:buzzer(SPEAKER),100uFcapacitor-C1,min
6、iUSB-USB;Cutflatextrapins.Note:miniUSBUSBinterfaceisdirectionalandmustbeassembledasshowninthefollowingdiagram,otherwiseitwillreversethepositiveandnegativepowersupplysystem,causingburnchipsNotethedirectionofweldingminiUSBStep10:InstallAT89S52microcontroller,DS1302clockchip,battery,payattention
7、tothedirectionofthechipgap.Followingchartshowsthearrow:frontelevationbackelevation
