An observer is a block that emits a quick redstone pulse from its back when the block or fluid directly in front of its "face" experiences a change. An observer requires a pickaxe to be mined.

This Minecraft tutorial explains how to craft an observer with screenshots and step-by-step instructions. It is used to detect changes in neighboring blocks.

Jun 21, 2024 · Observers are great for automating chores in Minecraft, from farming to opening doors, but you'll first need to learn how to craft one!

Nov 26, 2025 · Learn how to make and use an observer in Minecraft with this step-by-step guide, which covers its crafting recipe, mechanics, and more.

Nov 11, 2025 · To make an Observer, gather cobblestone, redstone dust, and nether quartz. These materials are easy to collect once you reach the Nether and start mining deeper layers of the …

Jan 20, 2026 · Are you looking to make a block update detector? Follow this comprehensive guide to make an Observer in Minecraft.

The Observer is an important tool that makes your redstone creations work better and more reliably. In this piece, you will find everything you need to know about this Minecraft item, including the Observer …