Computercraft : Mobfarms client

-- Setup rednet connection
local protocolName = "megaleader_mobfarm"
local mobId = "mob_blaze" -- Change accordingly
rednet.open("top")
rednet.host(protocolName, mobId)

while true do
    local senderId, message, protocol = rednet.receive(protocolName)
    if message == true then
        redstone.setOutput("back", true)
    else
        redstone.setOutput("back", false)
    end
end