master.lua

mining = false
rednet.open("left")

while true do

    if mining == false then
        turtle.select(1)
        turtle.place()
        turtle.up()
        turtle.select(3)
        turtle.placeUp()
        turtle.select(5)

        while not turtle.suckUp() do
            sleep(1)
        end
        turtle.place()
        turtle.select(3)
        turtle.digUp()
        mining = true
    end

    if mining == true then
        select(2)
        turtle.placeUp()
        sleep(50)
        turtle.dig()
        turtle.dropUp()
        turtle.digUp()
    end
    sleep(1)
end