What is Observer in Minecraft?
An observer is a special redstone block that can detect changes in front of it. It looks like a stone block with a face on one side and a redstone output on the back. The main purpose of an observer is to watch a specific block. Whenever that block changes in any way, for example, a crop growing, a piston moving, or a block being placed or broken, the observer will send out a short redstone pulse from its back. This makes it an incredibly powerful tool for creating automated farms and complex redstone machines. It is the "eye" of many redstone contraptions, allowing them to react to changes in the world automatically.
How to get Observer in Minecraft
The only way to get an observer is by crafting it. It does not generate naturally in the world. The crafting recipe is a little bit complex, requiring materials from the Nether. You will need six cobblestone, two redstone dust, and one Nether quartz. You can get cobblestone by mining stone. You can get redstone dust by mining redstone ore deep underground. You can get Nether quartz by mining Nether quartz ore in the Nether. Once you have your materials, open a crafting table. Place the six cobblestone in the top and bottom rows. Place the two redstone dust in the middle row on the left and right sides. Finally, place the single Nether quartz in the very center slot. This will create one observer.
How to use Observer in Minecraft
The main use for an observer is to automate redstone circuits. To use it, you need to place it so that its "face" is pointing at the block you want to watch. The redstone signal will come out of the back. For example, you can place an observer facing a sugar cane plant. When the sugar cane grows, the observer will detect the change and send a redstone pulse to a piston, which can then automatically harvest the sugar cane. Observers are the key to building fully automatic farms for crops like pumpkins, melons, and bamboo. They can also be used to create flying machines when paired with pistons and slime blocks, or to make compact and efficient redstone clocks.
How to craft Observer in Minecraft
Crafting Table
What can Observer make in Minecraft
No items can be crafted.