Thing 3

local sensor = peripheral.find "plethora:sensor"
local modem = peripheral.find "modem"
local channel = 49961
local offset = vector.new(-3, -3, 2)

local function randbytes(len)
    local out = ""
    for i = 1, len do
        out = out .. string.char(math.random(0, 255))
    end
    return out
end

local function main()
    while true do
        local entities = sensor.sense()
        local open = false
        for _, entity in pairs(entities) do
            local position = vector.new(entity.x, entity.y, entity.z) + offset
            if entity.displayName == "6_4" or entity.displayName == "gollark" and position:length() < 4 then
                open = true
            end
        end
        math.randomseed(math.floor(os.clock() * 100))
        local rc = math.random(0, 65535)
        modem.transmit(channel, rc, open)
        print(open, rc)
        sleep(0.1)
    end
end

main()