Piston Door

rednet.open("left")
while true do
	event,id,msg = os.pullEvent()
	if event == "rednet_message" then
		if msg == "fairopen" then
			rs.setOutput("top",false)
			os.sleep(0.2)
			rs.setOutput("front",true)
		elseif msg == "fairclose" then
			rs.setOutput("front",false)
			os.sleep(0.2)
			rs.setOutput("top",true)
		end
	end
end