: Provide a temporary pulse of power before turning off.
Because a redstone signal degrades as it travels, you must use repeaters to keep long wires active. Distance from Power Signal Strength Action Required Full Power (15) Block 15 Weakest Power (1) Power still reaches mechanisms Block 16 Must place a Redstone Repeater 🔨 2 Beginner Projects to Try Project 1: The Simple Secret Door Minecraft Redstone For Dummies
Every single redstone contraption on the official Minecraft Wiki relies on three basic types of components: : These provide the electrical current. : Provide a temporary pulse of power before turning off