Need AHK help

[ch25]

Hello.
Can anyone help me with AHK script?
I need keys 1, 2, 3 be pressed every 100ms and key 4 every 2.8s.
TIA, Mike

[TheLegend47]

F2::
Reload

F1::
Loop {
Loop, 28 {
Send, 1
Send, 2
Send, 3
Sleep, 100
}
Send, 4
}
return

Start it with F1, stop it with F2. you can change the keys inside the code