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

function checkSwitch()

robot.setLightColor(0xF4FF0D) --yellow
if robot.count(1) > 50 then
=component.inventory_controller.equip()
expUse()
else expUse()
end

function expUse()

robot.setLightColor(0x00FF00) --green
if robot.use()
else checkSwitch()
end

while true do
checkSwitch()
end