SpeakFriend Hub

local function bastion()
    local modem = peripheral.find("modem") or error("No modem attached", 0)
    local name = "Archives"
    modem.open(14) -- Open 43 so we can receive replies

    -- And wait for a reply
    local event, side, channel, replyChannel, message, distance
    repeat
      event, side, channel, replyChannel, message, distance = os.pullEvent("modem_message")
    until channel == 14

    -- Process the received message based on its content
    if message == "1" then
        print("Opening " .. name)
        modem.transmit(42, 14, "Opening " .. name)
        redstone.setOutput("left", true)  -- Emit a redstone signal to the right
        os.sleep(1)  -- Keep the signal for 1 seconds
        redstone.setOutput("left", false)  -- Turn off the redstone signal
        print("Closing " .. name)
        modem.transmit(42, 14, "Closing " .. name)
    end
end

term.clear()
term.setCursorPos(1, 1)
print("Speak friend and enter!")

-- Main loop
while true do
    bastion()
end