diff --git a/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/CranberriPlugin.kt b/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/CranberriPlugin.kt
index 2587eb7..1737e7d 100644
--- a/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/CranberriPlugin.kt
+++ b/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/CranberriPlugin.kt
@@ -4,6 +4,8 @@ import jupiterpi.cranberri.runtime.compilation.ProjectCompiler
 import jupiterpi.cranberri.tools.computerToolListener
 import jupiterpi.cranberri.tools.loggerToolListener
 import jupiterpi.cranberri.tools.toolsCommand
+import jupiterpi.cranberri.util.DATA_ROOT
+import jupiterpi.cranberri.util.TextFile
 import net.kyori.adventure.text.Component
 import net.kyori.adventure.text.JoinConfiguration
 import net.kyori.adventure.text.format.Style
@@ -15,8 +17,6 @@ import org.bukkit.event.EventHandler
 import org.bukkit.event.Listener
 import org.bukkit.event.player.PlayerJoinEvent
 import org.bukkit.plugin.java.JavaPlugin
-import jupiterpi.cranberri.util.DATA_ROOT
-import jupiterpi.cranberri.util.TextFile
 
 val cranberriLettering = Component.join(JoinConfiguration.noSeparators(),
     Component.text("Cranberri", Style.style(TextColor.color(Color.WHITE.asRGB()), TextDecoration.BOLD)),
@@ -42,6 +42,7 @@ class CranberriPlugin : JavaPlugin(), Listener {
         getCommand("cranberri")!!.setExecutor(toolsCommand)
         Bukkit.getPluginManager().registerEvents(loggerToolListener, this)
         Bukkit.getPluginManager().registerEvents(computerToolListener, this)
+        Bukkit.getPluginManager().registerEvents(outputPinListener, this)
 
         // computers
 
diff --git a/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/RunningScript.kt b/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/RunningScript.kt
index 8355e67..46cf017 100644
--- a/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/RunningScript.kt
+++ b/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/RunningScript.kt
@@ -49,10 +49,7 @@ open class RunningScript(private val computer: Computer, val script: Script) {
     protected open fun startScript(invokeTickOrLoop: () -> Unit) {
         Bukkit.getScheduler().runTaskTimer(plugin, { task ->
             if (shutdown) {
-                pins.filterIsInstance<OutputPin>().forEach {
-                    it.writeValue(IO.PinValue.LOW)
-                    it.fulfillValue()
-                }
+                pins.filterIsInstance<OutputPin>().forEach { it.writeValue(IO.PinValue.LOW) }
                 task.cancel()
             } else {
                 invokeTickOrLoop()
diff --git a/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/computer-pins.kt b/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/computer-pins.kt
index d011ee0..e54626f 100644
--- a/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/computer-pins.kt
+++ b/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/computer-pins.kt
@@ -4,6 +4,9 @@ import jupiterpi.cranberri.runtime.api.IO
 import org.bukkit.Location
 import org.bukkit.Material
 import org.bukkit.block.data.type.Repeater
+import org.bukkit.event.EventHandler
+import org.bukkit.event.Listener
+import org.bukkit.event.block.BlockRedstoneEvent
 import org.bukkit.util.Vector
 
 val PIN_BASE_MATERIAL = Material.GLASS
@@ -14,19 +17,31 @@ open class Pin(
 )
 
 class OutputPin(location: Location) : Pin(location) {
-    private var value = IO.PinValue.LOW
+    var value = IO.PinValue.LOW
 
     fun writeValue(value: IO.PinValue) {
         this.value = value
-    }
-
-    fun fulfillValue() {
         location.block.blockData = (location.block.blockData as Repeater).also {
             it.isPowered = value.toBoolean()
         }
     }
 }
 
+val outputPinListener = object : Listener {
+    @EventHandler
+    @Suppress("unused")
+    fun onRedstone(event: BlockRedstoneEvent) {
+        if (event.block.type == Material.REPEATER) {
+            for (computer in Computers.computers) {
+                if (computer.runningScript == null) continue
+                val pin = computer.runningScript!!.pins.filterIsInstance<OutputPin>().singleOrNull { it.location == event.block.location } ?: continue
+                event.newCurrent = if (pin.value == IO.PinValue.HIGH) 15 else 0
+                break
+            }
+        }
+    }
+}
+
 class InputPin(location: Location) : Pin(location) {
     fun readValue(): IO.PinValue {
         return IO.PinValue.fromBoolean((location.block.blockData as Repeater).isPowered)
diff --git a/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/computers.kt b/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/computers.kt
index 5d52d6a..9a2dce8 100644
--- a/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/computers.kt
+++ b/cranberri-server-plugin/src/main/kotlin/jupiterpi/cranberri/computers.kt
@@ -14,7 +14,7 @@ import org.bukkit.event.block.Action
 import org.bukkit.event.block.BlockBreakEvent
 import org.bukkit.event.player.PlayerInteractEvent
 import org.bukkit.util.Vector
-import java.util.Date
+import java.util.*
 
 val COMPUTER_MATERIAL = Material.TARGET
 
@@ -95,12 +95,6 @@ object Computers {
         return Computer(block.location).also { computers += it }
     }
 
-    init {
-        Bukkit.getScheduler().runTaskTimer(plugin, { _ ->
-            computers.forEach { it.runningScript?.pins?.forEach { if (it is OutputPin) it.fulfillValue() } }
-        }, 0, 1)
-    }
-
     // persistence
 
     private const val PERSISTENCE_FILE = "$DATA_ROOT/computers.csv"