-- Load the required components
local modem = peripheral.find("modem") -- Modem peripheral
local redstone = peripheral.find("redstone") -- Redstone peripheral
local redstoneSideON = "left" -- Define the side where the redstone is connected for ON
local redstoneSideOFF = "right" -- Define the side where the redstone is connected for OFF

-- Open the modem to listen on channel 1
modem.open(1)

-- Function to handle messages
function handleMessage()
    while true do
        local event, side, senderChannel, replyChannel, message, distance = os.pullEvent("modem_message")

        -- Check if the message is from computer_1
        if senderChannel == 1 then
            -- Check the message content
            if message == "ON" then
                -- Activate the ON redstone signal
                redstone.setOutput(redstoneSideON, true)
                sleep(5) -- Wait for 5 seconds
                redstone.setOutput(redstoneSideON, false) -- Deactivate the ON signal after 5 seconds
            elseif message == "OFF" then
                -- Activate the OFF redstone signal
                redstone.setOutput(redstoneSideOFF, true)
                sleep(5) -- Wait for 5 seconds
                redstone.setOutput(redstoneSideOFF, false) -- Deactivate the OFF signal after 5 seconds
            end
        end
    end
end

-- Run the function to handle messages
handleMessage()