fixed little typo. Added number of iterations parameter and changed forever parameter to be a switch

Author: DanielSSilva

ScrollpHat.psm1

@@ -45,14 +45,14 @@ function Write-PhatString {
         [parameter(ValueFromPipeline=$True)]
         [string]$text,
         [int]$WaitMiliseconds = 40,
-        [System.Boolean]$forever = $false
+        [System.Management.Automation.SwitchParameter]$forever,
+        [int]$iterations = 0
     )
     Set-PhatLedsOff
-    if($forever)
+    if($forever -OR $iterations > 0)
     {
         $text +="   "
     }
-    $iterations = 0
     do
     {
         for($i =0; $i -lt $text.Length ; ++$i)
@@ -67,9 +67,9 @@ function Write-PhatString {
             Update-PhatRegisters
             Start-Sleep -Milliseconds $WaitMiliseconds
         }
- #       $iterations +=1
+        $iterations -=1
   #      Write-Host $iterations
-    }while($forever)
+    }while($iterations -lt 0 -OR $forever)
 }
 
 function Write-PhatChar {
@@ -233,6 +233,7 @@ function Set-PhatCrazyLeds () {
 # }
 
 Select-ScrollpHat
+Set-PhatBrightness -Intensity Lowest
 
 # Export only the functions using PowerShell standard verb-noun naming.
 # Be sure to list each exported functions in the FunctionsToExport field of the module manifest file.

simple_Setup.ps1

@@ -17,7 +17,7 @@ Set-I2CRegister -Device $Device -Register $ConfigurationRegisterAddress -Data $C
 #           x   x
 
 $registers = 0x01..0x3
-$letterA = 0x3E, 0x05, 0x3E
+$letterA = 0x1E, 0x05, 0x1E
 
 $index = 0
 #Set the value on $letterA array on the correspondent register.