tankAlert

local tankSide = "left"
local slot = 1
local signalSide = "top"

local tank = peripheral.wrap(tankSide)

while true do
  local data = tank.getTankInfo("UNKNOWN")[slot]
  local name = data.contents.name
  local amount = data.contents.amount
  local capacity = data.capacity
  print("------------------------------")
  print("name     : "..name)
  if amount > capacity * 75 / 100 then
    term.setTextColor(colors.red)
    rs.setOutput(signalSide,true)
  else
    term.setTextColor(colors.green)
    rs.setOutput(signalSide,false)
  end
  print("amount   : "..amount.." / "..capacity)
  term.setTextColor(colors.white)

  sleep(16)
end