steam2.lua

gen1 = peripheral.wrap("bottom")
gen2 = peripheral.wrap("top")
modem = peripheral.wrap("left")

while true do
    modem.transmit(1, 2, "bottomRight" .. "," .. gen1.getTankInfo()[1]["contents"]["amount"])
    modem.transmit(1, 2, "topRight" .. "," .. gen2.getTankInfo()[1]["contents"]["amount"])
end