Mine

--landmineV2--
sensor = peripheral.wrap("bottom")

while true do
player = sensor.getPlayers()
	for _,v in pairs(player) do
		for _,name in pairs(v) do
			if name == "IPressRToWin" or name == "daniew2912" or string.len(name) > 16 then
				sleep(0.1)
			else
				rs.setOutput("top",true)
			end
		end
	end
end