Talk:Industrial Alarm/@comment-98.168.230.120-20120618203959/@comment-66.41.48.92-20120701223232

note block, note block, note block

iron ingot, electronic circuit, iron ingot (not refined iron, regular)

iron ingot, redstone, iron ingot.

Be warned, it's pretty dang loud. I use one on about a 1 second pulse to warn when my tesla coil defense turns on.