Serum Extract

print("I will extract serums!")

while true do
	if redstone.getInput("back") then
		os.sleep(2)
		if redstone.getInput("back") then
			redstone.setOutput("top",true)
			os.sleep(0.1)
			redstone.setOutput("top",false)
			os.sleep(0.1)
		end
	else
		os.sleep(1)
	end
end