CC - Firework-Computer

output = "top" -- Redstone output
input = "right" -- Redstone input
monitorpos = "left" -- Monitor position
cooldown = 30 -- Cooldown in sec
intervall = 1 -- Intervall to check rs signal

-- Set output default to off and do other default sets
status = 0
local monitor = peripheral.wrap( monitorpos )
rs.setOutput( output, false )
print( "Bereit" )
monitor.clear( )
monitor.setCursorPos( 1, 1 )
monitor.write( "Bereit!" )

while true
do
    if ( rs.getInput( input ) == true ) and ( status == 0 )
    then
        status = 1
        write( "Feuert..." )
        monitor.clear( )
        monitor.setCursorPos( 1, 1 )
        monitor.write( "Feuer!" )
        rs.setOutput( output, true )
        sleep( 1 )
        rs.setOutput( output, false )
        write( "Fertig.\n" )
        print( cooldown.."sec Cooldown..." )
        i = cooldown

        while i > 0
        do
            monitor.clear( )
            monitor.setCursorPos( 2, 1 )
            monitor.write( "Wait:" )
            if i > 9
            then
                monitor.setCursorPos( 3, 3 )
            else
                monitor.setCursorPos( 4, 3 )
            end

            monitor.write( i.."s" )
            i = i - 1
            sleep( 1 )
        end

        --rs.setOutput( output, false )

        print( "Bereit" )
        monitor.clear( )
        monitor.setCursorPos( 1, 1 )
        monitor.write( "Bereit!" )
        status = 0
    end
    sleep( intervall )
end