s

redstone.setOutput("back", false)
rednet.open("right")


while true do

if turtle.getItemCount(1) < 1 then
redstone.setOutput("back", true)
sleep(0.5)
redstone.setOutput("back", false)
sleep(0.5)
if turtle.getItemCount(1) < 1 then
print("- PLUS DE WITHER HEAD -")
end

end

local id,message,dist = rednet.receive(1)
if message == "place" then
  turtle.place()

end

end