Monitor-Flash

--Term setup
x=0
local term = peripheral.wrap("top")
term.clear()
--term.setBackgroundColour(colours.black)

while true do
    if redstone.getInput("bottom") then
        if x==0 then
            term.setBackgroundColour(colours.black)
            term.clear()
            x=1
        else
            term.setBackgroundColour(colours.red)
            term.clear()
            x=0
        end
    else
        term.setBackgroundColour(colours.green)
        term.clear()
        x=0
    end
    os.sleep(1)
end