Calculate time difference from barcode scans in Excel

code for sheet
Private Sub Worksheet_Change(ByVal Target As Range)
If Not Intersect(Target, Me.Range(“A2”)) Is Nothing Then
Call access
Application.EnableEvents = True
End If
End Sub

Sub access()
Dim barcode As String
Dim rng As Range
Dim rownumber As Long
Dim cell
Dim Total As Double
Dim Timein As Date
Dim Timeout As Date

‘barcode = Worksheets(“Attendance”).Cells(2, 1)
barcode = ActiveSheet.Cells(2, 1)
If barcode not equal to “” Then
Set rng = ActiveSheet.Columns(“a:a”).Find(What:=barcode, _
LookIn:=xlFormulas, LookAt:=xlWhole, SearchOrder:=xlByRows, _
SearchDirection:=xlNext, MatchCase:=False, SearchFormat:=False)
If rng Is Nothing Then
restart:
ActiveSheet.Columns(“a:a”).Find(“”).Select
ActiveCell.Value = barcode
ActiveCell.NumberFormat = “@”
ActiveCell.Offset(0, 2).Select
ActiveCell.Value = Date & ” ” & Time
ActiveCell.NumberFormat = “d/m/yyyy h:mm AM/PM”
ActiveSheet.Cells(2, 1) = “”
GoTo ende
Else
‘rng.Select
rownumber = rng.Row
If Cells(rownumber, 4) not equal to “” Then GoTo restart
ActiveSheet.Cells(rownumber, 1).Select
ActiveCell.Offset(0, 3).Select
ActiveCell.Value = Date & ” ” & Time
ActiveCell.NumberFormat = “m/d/yyyy h:mm AM/PM”
Timein = CDate(Cells(rownumber, 3).Value)
Timeout = CDate(Cells(rownumber, 4).Value)
Total = TimeValue(Timeout) – TimeValue(Timein)
Debug.Print Total
Debug.Print Format(Total, “hh:mm:ss”)
Cells(rownumber, 5).NumberFormat = “hh:mm:ss”
Cells(rownumber, 5).Value = Total
Debug.Print “Number of hours = ” & Total * 24
ActiveSheet.Cells(2, 2) = “”
End If
ActiveSheet.Cells(2, 1) = “”
End If
ende:
ActiveSheet.Cells(2, 1).Select
End Sub

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