About 80 percent of all life on Earth is found in the oceans, which cover 71 percent of the planet's surface. Take a look at how colorful life under the sea can be. Learn more about these popular crustaceans that some think of only as a meal. Find out the sizes that these sea creatures are capable of attaining.
Steps. 1  1. Place a dispenser down, and a wooden pressure plate in front of it. 2  2. Connect the dispenser and the pressure plate with redstone. 3  3. Invert the signal by using a solid block with a torch on the other side or on top of the block with redstone going into it.  4. Place a big stack of items in the dispenser.
The first thing you want to do is make sure that the repeater is in range. A single redstone current travels 15 blocks, so as long as the repeater is placed within that range, it will work. Additionally, regardless of where the repeater is placed, it will emit a signal strength of 15 blocks. Secondly, repeaters, when placed, have a direction.