Minecraft delay trap

Question

Im making a trap so that when an object is removed from the pressure plate it blows up but im a bit stuck. The pressure plate does not change the state of the redstone torch on the endblock. I need it to be on when an item is removed from the pressure plate, thus blowing up the player.

Asked by mrminecraft3000

Answer

You can remove the top torch and replace it with redstone to do what you want. In fact you can even remove the first two wood blocks and replace them with redstone.

This design has a serious flaw, though: the dropped item will despawn after 5 minutes, causing the trap to activate even if there is no player around. To work around that, you can use a dispenser and a long timer. After e.g. 4.5 minutes measured by the timer, the dispenser would drop another item on the pressure plate, so when the first item despawns, the pressure plate will still be on.

Answered by Kcats

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