diff --git a/src/main/java/malte0811/industrialwires/blocks/controlpanel/TileEntityRSPanel.java b/src/main/java/malte0811/industrialwires/blocks/controlpanel/TileEntityRSPanel.java
index 72539f8..c9b3204 100644
--- a/src/main/java/malte0811/industrialwires/blocks/controlpanel/TileEntityRSPanel.java
+++ b/src/main/java/malte0811/industrialwires/blocks/controlpanel/TileEntityRSPanel.java
@@ -41,8 +41,13 @@ public abstract class TileEntityRSPanel extends TileEntityGeneralCP implements I
 	}
 
 	private void updateChannelsArray() {
-		for (byte i = 0;i<16;i++) {
-			channels[i] = new ControlPanelNetwork.RSChannel(controller, i);
+		byte[] oldIn = currInput;
+		if (world == null || !world.isRemote) {
+			panelNetwork.removeIOFor(this);
+			for (byte i = 0; i < 16; i++) {
+				channels[i] = new ControlPanelNetwork.RSChannel(controller, i);
+			}
+			setNetworkAndInit(panelNetwork);
 		}
 	}
 
@@ -58,12 +63,14 @@ public abstract class TileEntityRSPanel extends TileEntityGeneralCP implements I
 	@Override
 	public void writeNBT(NBTTagCompound nbt, boolean updatePacket) {
 		nbt.setByteArray("out", this.out);
+		nbt.setByteArray("in", this.currInput);
 		nbt.setInteger("rsId", controller);
 	}
 
 	@Override
 	public void readNBT(NBTTagCompound nbt, boolean updatePacket) {
 		out = nbt.getByteArray("out");
+		currInput = nbt.getByteArray("in");
 		controller = nbt.getInteger("rsId");
 		updateChannelsArray();
 	}
@@ -90,7 +97,6 @@ public abstract class TileEntityRSPanel extends TileEntityGeneralCP implements I
 	@Override
 	public void setNetworkAndInit(ControlPanelNetwork newNet) {
 		super.setNetworkAndInit(newNet);
-		onInputChanged(currInput);
 		Consumer<ControlPanelNetwork.RSChannelState> listener = state -> {
 			if (out[state.getColor()] != state.getStrength()) {
 				out[state.getColor()] = state.getStrength();
@@ -98,6 +104,9 @@ public abstract class TileEntityRSPanel extends TileEntityGeneralCP implements I
 			}
 		};
 		panelNetwork.addListener(this, listener, channels);
+		byte[] oldIn = currInput;
+		currInput = new byte[16];
+		onInputChanged(oldIn);
 	}
 
 	@Override
@@ -109,6 +118,7 @@ public abstract class TileEntityRSPanel extends TileEntityGeneralCP implements I
 			setNetworkAndInit(panelNetwork);
 			IBlockState state = world.getBlockState(pos);
 			world.notifyBlockUpdate(pos, state, state, 3);
+			updateChannelsArray();
 		}
 	}
 
diff --git a/src/main/java/malte0811/industrialwires/controlpanel/ControlPanelNetwork.java b/src/main/java/malte0811/industrialwires/controlpanel/ControlPanelNetwork.java
index 9ef9f67..ba6e801 100644
--- a/src/main/java/malte0811/industrialwires/controlpanel/ControlPanelNetwork.java
+++ b/src/main/java/malte0811/industrialwires/controlpanel/ControlPanelNetwork.java
@@ -19,6 +19,7 @@ import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import malte0811.industrialwires.blocks.controlpanel.TileEntityGeneralCP;
 import malte0811.industrialwires.util.MiscUtils;
+import net.minecraft.item.EnumDyeColor;
 import net.minecraft.nbt.NBTBase;
 import net.minecraft.nbt.NBTTagByte;
 import net.minecraft.nbt.NBTTagInt;
@@ -336,6 +337,11 @@ public class ControlPanelNetwork {
 			return result;
 		}
 
+		@Override
+		public String toString() {
+			return "Channel " + EnumDyeColor.byMetadata(color).getName() + " on controller ID " + controller;
+		}
+
 		public boolean isValid() {
 			return controller>=0 && color >= 0;
 		}
@@ -398,7 +404,11 @@ public class ControlPanelNetwork {
 			int result = channel.hashCode();
 			result = 31 * result + strength;
 			return result;
+		}
 
+		@Override
+		public String toString() {
+			return channel + ": " + strength;
 		}
 	}
 }
diff --git a/src/main/java/malte0811/industrialwires/crafting/RecipeComponentCopy.java b/src/main/java/malte0811/industrialwires/crafting/RecipeComponentCopy.java
index 60fdcdf..fb5e819 100644
--- a/src/main/java/malte0811/industrialwires/crafting/RecipeComponentCopy.java
+++ b/src/main/java/malte0811/industrialwires/crafting/RecipeComponentCopy.java
@@ -16,9 +16,11 @@ package malte0811.industrialwires.crafting;
 
 import blusunrize.immersiveengineering.api.ApiUtils;
 import malte0811.industrialwires.IndustrialWires;
+import malte0811.industrialwires.blocks.controlpanel.BlockTypes_Panel;
 import malte0811.industrialwires.controlpanel.PanelComponent;
 import malte0811.industrialwires.items.ItemPanelComponent;
 import net.minecraft.inventory.InventoryCrafting;
+import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.crafting.IRecipe;
 import net.minecraft.util.NonNullList;
@@ -35,21 +37,27 @@ public class RecipeComponentCopy extends IForgeRegistryEntry.Impl<IRecipe> imple
 		boolean found = false;
 		int foundX = -1;
 		int foundY = -1;
+		boolean foundPanel = false;
 		for (int x = 0; x < inv.getWidth(); x++) {
 			for (int y = 0; y < inv.getHeight(); y++) {
 				ItemStack here = inv.getStackInRowAndColumn(x, y);
 				PanelComponent pc1 = ItemPanelComponent.componentFromStack(here);
-				if (pc1!=null) {
+				if (pc1 != null || isUnfinishedPanel(here)) {
 					if (x==foundX&&y==foundY) {
 						continue;
 					}
 					if (found) {
 						return false;
 					}
+					foundPanel = pc1 == null;
 					if (y+1<inv.getHeight()) {
 						ItemStack below = inv.getStackInRowAndColumn(x, y + 1);
 						PanelComponent pc2 = ItemPanelComponent.componentFromStack(below);
-						if (pc2 == null || pc2.getClass() != pc1.getClass()) {
+						if (foundPanel) {
+							if (!isUnfinishedPanel(below)) {
+								return false;
+							}
+						} else if (pc2 == null || pc2.getClass() != pc1.getClass()) {
 							return false;
 						}
 						found = true;
@@ -97,7 +105,8 @@ public class RecipeComponentCopy extends IForgeRegistryEntry.Impl<IRecipe> imple
 		for (int x = 0; x < inv.getWidth(); x++) {
 			for (int y = 0; y < inv.getHeight() - 1; y++) {
 				ItemStack here = inv.getStackInRowAndColumn(x, y);
-				if (!here.isEmpty() && here.getItem() == IndustrialWires.panelComponent) {
+				if (here.getItem() == IndustrialWires.panelComponent
+						|| isUnfinishedPanel(here)) {
 					return new int[]{x, y};
 				}
 			}
@@ -105,6 +114,11 @@ public class RecipeComponentCopy extends IForgeRegistryEntry.Impl<IRecipe> imple
 		return null;
 	}
 
+	private boolean isUnfinishedPanel(ItemStack stack) {
+		return stack.getItem() == Item.getItemFromBlock(IndustrialWires.panel)
+				&& stack.getMetadata() == BlockTypes_Panel.UNFINISHED.ordinal();
+	}
+
 
 	@Override
 	public boolean isDynamic() {