-- _PROGRAM 2.2

local robot = require("robot")
local component = require("component")

function checkSwitch()

do component.inventory_controller.equip()
robot.setLightColor(0xF4FF0D) if
robot.count(1) > 50

function expUse()

robot.setLightColor(0x00FF00) --green
  print("Extracting...")
robot.use()
while true do
checkSwitch()
end

while true do
expUse()
end