os.loadAPI("ocs/apis/sensor")
sensor_position="right"
sens=sensor.wrap(sensor_position)

function red()
if tankCapa >15000 then
redstone.setOutput("back",true)
else
redstone.setOutput("back",false)
end
end

while true do
tankDetails=sens.getTargetDetails("1,0,0")
tankCapa=TankDetails.Tanks[1].Amount
print(tankCapa)
red()