energy.lua

s = sleep(0.2)
a = peripheral.wrap("back")
mon = peripheral.wrap("left")

mon.clear()

function init()
    ballMin = a.getEnergyStored()
    ballMax = a.getMaxEnergyStored()
end
init()
function math()
    ballMinNow = ballMin
    sleep(0.5)
    ballMinLater = ballMin
    ballState = ballMinLater - ballMinNow
    mon.setCursorPos(1,2)
    mon.setTextColor(colors.white)
    print(ballMin)
    mon.write(ballState)
end

function update()
math()
end
sleep(s)


while true do
    mon.clear()
    update()
end