Minecraft - Tutorial: Door Trap HD

This tutorial teaches you how to setup a single or double door piston trap that drops a player into a pool of lava when he opens the door in front of him. Non self resetting piston BUD Switches are used to detect the block update that occurs when the door is open, closed, or destroyed. sethbling: http://www.youtube.com/watch?v=loZUJlI8lvM