sensor.exe

local component = require("component")
local event = require("event")
local players = {Ranubis,Fishmastr}
local range = 3
local redstone = component.redstone
local sides = require("sides")


while true do
local _,_,x,y,z,entity = event.pull("motion")


if math.abs(x)<= tonumber(range) and math.abs(y)<= tonumber(range) and math.abs(z)<= tonumber(range) then
  if entity == players[name] then

    print("Welcome back "..entity..".")
    redstone.setOutput(sides.top,15)
    os.sleep(2)
    redstone.setOutput(sides.top,0)
    os.sleep(2)

  end
else
  print("Hello "..entity..". Sorry, but you are not allowed to enter.")
  os.sleep(2)
end
end