ps_spinner

[Console]::CursorVisible = $false
$s = "⢀⠀⡀⠀⠄⠀⢂⠀⡂⠀⠅⠀⢃⠀⡃⠀⠍⠀⢋⠀⡋⠀⠍⠁⢋⠁⡋⠁⠍⠉⠋⠉⠋⠉⠉⠙⠉⠙⠉⠩⠈⢙⠈⡙⢈⠩⡀⢙⠄⡙⢂⠩⡂⢘⠅⡘⢃⠨⡃⢐⠍⡐⢋⠠⡋⢀⠍⡁⢋⠁⡋⠁⠍⠉⠋⠉⠋⠉⠉⠙⠉⠙⠉⠩⠈⢙⠈⡙⠈⠩⠀⢙⠀⡙⠀⠩⠀⢘⠀⡘⠀⠨⠀⢐⠀⡐⠀⠠⠀⢀⠀⡀"
$i = 0
while ($true) {
  Write-Host ("{0}{1}`b`b" -f $s[$i], $s[$i + 1]) -NoNewLine
  $i = $i -lt ($s.Length - 2) ? $i + 2 : 0
  Start-Sleep -s 0.1
}