test.lua

function mining()
     turtle.dig()
     turtle.digUp()
     turtle.digDown()
end


rednet.open("left")
local jalan = true
while true do
    if jalan then
        mining()
    end
    senderID, message, protocol = rednet.receive(0.5)
    print(message)
    if message ~= nil then
        if message == "stop" then
            jalan = false
        elseif message == "start" then
            jalan = true
        end
    end
end