PIC16F91X系列的煤气及水的计量

Electronicutilitymetersareanimportantsteptowards

automatingtheutilitymeteringprocess.Automated

utilitymetersallowmanynewfeaturesthathelpreduce

thecostofutilitiestocustomersandreducethecostof

deliveringutilitiestotheutilityprovider.AN1013GasandWaterMeteringwiththePIC16F91XFamilyAuthor:JosephJulicherREADINGFLUIDFLOWJohnCharaisBecausethewaterflowmeterusesaspinningmagnetMicrochipTechnologyInc.toindicateflowrate,wemustuseamagneticsensororaspinningmagnettocoupletheflowmeter.ForthisINTRODUCTIONapplication,wedecidedtoeliminateallmovingpartsin