playerDetectorDoor

-- CONFIGURATION --
local detectionRange = 2   -- Detection range in blocks
local redstoneDuration = 3  -- Duration (in seconds) for redstone signal
local invertMode = true    -- Invert redstone signal: true = always on, off when player detected
local redstoneSide = "bottom" -- Side where redstone is emitted

-- FINDING THE PLAYER DETECTOR AUTOMATICALLY --
local detector = nil
for _, name in ipairs(peripheral.getNames()) do
    if peripheral.getType(name) == "playerDetector" then
        detector = peripheral.wrap(name)
        break
    end
end

if not detector then
    print("No player detector found!")
    return
end

print("Player detector found on " .. peripheral.getName(detector))
print("Monitoring for players...")

-- MAIN LOOP --
while true do
    local players = detector.getPlayersInRange(detectionRange)
    local playerDetected = #players > 0

    if invertMode then
        redstone.setOutput(redstoneSide, not playerDetected)
    else
        redstone.setOutput(redstoneSide, playerDetected)
    end

    if playerDetected then
        sleep(redstoneDuration)
        redstone.setOutput(redstoneSide, invertMode) -- Reset output after duration
    end

    sleep(0.1) -- Short delay to prevent excessive CPU usage
end