a detector rail essentially detects when a minecart. the top of any full solid opaque block (stone, dirt, blocks of gold, etc. Have the cart pull in to a stop at a deactivated powered rail against a solid block. They do not work on inclines or diagonal tracks. Place powered rails on both sides of all the detector rails and connect the sides with normal rails to create a square. com Detector Rail By Luis Joshua Gutierrez , Dan Hammill , Samuel Heaney , +39. You can also specify the number and who detector rail will be given: /give @p minecraft:detector_rail 10. These redstone power sources can be placed on a block adjacent to or hidden underneath the block that the powered rail is. A rail is an item used to provide a path for minecarts. Likewise Can observers detect minecarts? [Mod] Skylinerw added a comment – 14/Oct/16 7:08 AM Observers detect block updates. Sweeney Dunston. In this short video, I show you how to craft Detector Rails in Minecraft!Join My Subscriber Discord: Main Channel:@FactionsFr. . The modern railway, with metal rails, came into being in the mid-1700s. On the rail without a torch, put down redstone that connects to it and leads away from the square. net website will help you easily understand how to make these items in Minecraft. The minecraft guide Detector rail – official minecraft wiki Beginner's guide to rails and minecarts in minecraft: windows 10 and. Once you have collected the materials, follow the steps below to craft a powered rail in Minecraft: First, place gold ingots on both side columns of the crafting area. First, open your crafting desk and go to the three×3 crafting area. The stick should go in the middle of the second row, and the iron ingots should be arranged in two rows of three. Here are the crafting recipes for the following items in Minecraft: rail, powered rail, detector rail and activator rail. Reply. 0 for Minecraft: Pocket Edition. Chickens, dogs, cats, slimes, silverfish, and cave spiders can pass under the gate, but regular spiders, spider jockeys, skeletons, zombies, zombie pigmen, villagers. These rails can be used as Redstone rails and components. How to hook up a simple detector rail circuit on minecraft pe Detector rail – official minecraft wiki Detector rail work awesome minecraft direction change minecraft shorts. It operated until the first century AD, and there are still a few remnants of the route today. Web as well as regular rails, there are now powered rails (which accelerate a minecart), detector rails (which send a redstone signal when a minecart passes) and. To make Powered rails, merely gather all the needed provides and observe these easy steps. Note that the minecarts must be travelling at a decent speed because the change over lasts for seconds only. -FridayNightLag-Channel: 't' intersection for mine cart rails, allowing for one line of carts to pass through a block north/south, and another line to pass through the same block east/west. Building a minecart rail system Because of this, you can make extremely simple stations like this one: ━─━═━─↔ ─ rail ━ booster rail button ═ detector rail any block. To craft powered rails you will need redstone dust, a stick, and six gold ingots. There are three types of rails, with different ways to craft them. Detector Rails recipe 👉 powered rails on both sides of all the detector rails and connect the sides with normal rails to create a square. Placement [] To place a rail, use a rail item while pointing at a surface facing the space the rail should occupy. Note that the minecarts must be travelling at a decent speed because the change over lasts for seconds only. A detector rail is a block that can transport minecarts and can be used as a switchable redstone power source. You can place and drive minecarts on them. Basically you need to have Redstone Dust coming off the detector rail and into another block which has a Redstone torch on it. Subscribe Now:More:detector rail on Minecraft needs to b. Is Auto Dimensional Teleporting Possible? Java. A minecart that enters a detector rail’s space from the side turns east or south (depending on the detector rail’s orientation), or in the downward direction for a slanted detector rail. 1. I have no practical use for them. . But there are also other types of rails available for players to use. A rail can be placed on: There’s evidence that the Ancient Greeks used a primitive railway called the Diolkos, paved with stone, to transport boats across the eight-kilometre-wide Isthmus of Corinth. Place a daylight sensor on your roof. JorgEsponja •. Fill the first and third columns with six iron ingots each, and then put a wooden stick in the middle of the crafting grid. How to craft Detector Rails in Minecraft. Minecraft rails powered tutorial. Put a powered track, and right after that one a detector. Q. Two tracks that are perpendicular are connected. If the rail is not connected to a switch or is deactivated, it would stop your cart instead. An active activator rail will: eject mobs from minecarts, repeatedly activates command block minecarts, disables hopper minecarts, and. Using detector and activator rails will break all of the rails. When attached to a detector rail, the path changes. After that, hoppers, slabs, and upside down stairs can also act as floors. Step 1 Place Rails Connecting Your Places of Interest. . In effect, weighted detector rails could be implemented into the game with recipes deviating from the standard detector rails - just replacing the typical pressure plates with weighted ones. Obviously the inclusion of "rail" in the equation is to specifically make it such that the cart will not stop, which is much more convenient than trying to use pressure plates as we currently have to do. Our Affiliate LinksAmazon Affiliate Link: Rails This special piece of rail will send out a 15 block strong redstone signal through wiring, and power any blocks within its direct range, whenever a minecart passes over it. Ooohhhhh. Looking forward to it! sharfpang • 4 yr. Detector Rails recipe 👉 a detector rail on the track section right before a booster rail and it will power the booster rail as you ride over the detector rail boosting you further. Inverted daylight detectors cannot be collected directly; they drop a regular. . If you add a redstone line with a long delay to the middle or top of your boosters, it will keep it powered and you will no longer be stopped while going up steep hills. An active activator rail will: eject mobs from minecarts, repeatedly activates command block minecarts, disables hopper minecarts, and. Without being powered, these function like the regular rails. Source: Minecraft Forums. A pressure plate is a non-solid block that produces a redstone signal when stood on by an entity, with four variants: Wooden pressure plates can detect all entities, producing the maximum signal strength of 15. an adjacent active power component (for example, a redstone torch, a block of. Survival Guide: Things to Do First in Minecraft. A detector rail cannot be used adjacent to the powered rail because a minecart would trigger the detector which would power the powered rail long enough for the minecart to immediately return -- the farm would not be able to be turned off. 13. They do not work on inclines or diagonal tracks. While active, a detector rail: powers adjacent redstone dust and adjacent redstone repeaters facing away from the detector rail, to power level 15 powers adjacent. RELATED: What Does Recovery Compass Do & How To Craft It In Minecraft 1. Subsequently, one may also ask,how do you craft. Detector rails are blocks that have the ability to output a redstone signal to power redstone circuits or just to provide simple signals just as note blocks for alerting players. When a minecart passes over a detector rail, it will either activate or deactivate any attached redstone. The detector rail will activate the powered rail and give your minecart a speed boost. A rail can be used as a minecart track and as a redstone component. It fits neatly within a 1-block thick wall and uses no redstone other than that used to create the detector rail. What I want is for the detector rail to trigger the banks of lamps I have in the walls to turn on progressively down the tunnel at roughly the same speed as the mine cart traveling down it and to stay lit up for a few seconds after the cart passes. ; Version(s) is the Minecraft version numbers where the item can be found in the menu location listed (we have tested and confirmed this version number). Open the Crafting Menu. Web as well as regular rails, there are now powered rails (which accelerate a minecart), detector rails (which send a redstone signal when a minecart passes) and. Goats snapshotGoat attack and jump in minecraft 1. What do detector rails do? Detector rails act as pressure plates, which can be used to create signals and other functions when minecarts pass over them. Booster rails in eight different orientations. Cover up the hole; the two blocks to the right of the dispenser has to be placed above ground or the minecart will get stuck on them. An activator rail is a type of powerable rail that can eject players and mobs from regular minecarts, lock and unlock hopper minecarts and ignite TNT minecarts. Lead redstone trails to where you want lamps to be. The Detector Rail is an item which can carry minecarts. with pistons as part of the circuit) it might be nice to make the detectors one-way so they don't do their switching twice. In this short video, I show you how to craft Detector Rails in Minecraft!Join My Subscriber Discord: Main Channel:@FactionsFr. 3 Chest loot 1. When mined without a pickaxe, it drops nothing. A detector rail activates when any minecart is on it (even if only a portion of the minecart is on it), and deactivates when no minecarts are on it. Place the Sticks: In the process of making rails, it is essential to ensure that iron ingots, as well as sticks, have the same pattern that is shown below. Daylight Detectors are best for automating time-based redstone contraptions. If your Minecart is already moving and goes over a Powered Rail, it will make your Minecart. Fill the first and third columns with six iron ingots each, and then put a wooden stick in the middle of the crafting grid. Minecraft Tutorial on how to make and use Detector rails and Powered Rails. Detector rails emit a weak redstone signal, so you may need to amplify it using a redstone repeater or a redstone torch. Web the detector rail is a type of rail block that. Using it inverts it, causing it instead to output a redstone signal based on the darkness of the sky. Can you attach minecarts together in Minecraft? Using a chain on a minecart and then moving will pull the minecart as well. png How to hook up a simple detector rail cAfter that, players will need to load up a detector rail with a minecart on top of the shroomlight. They can also be used to send a minecart from one detector rail to another. Blocks are Redstone components in Minecraft that can be placed, connected, and used in circuits to make farms or other cool builds in the game. To use it, you would place a minecart on the unpowered piece of track and get in. However, you will have to power powered rails before you open the trapdoors, keeping them powered constantly. Activation A powered rail is a redstone mechanism and can be activated by: . What does the detector rail do in Minecraft? A. To make Powered rails, simply gather all the needed materials and follow these easy steps. 5, all types of mobs could stand on rails. 2. P. A rail can be used as a minecart track and as a redstone component. Signal go to powered rail and activate it so minecart go to next tour of collecting items. Code (Java):Step 3. Source: Minecraft Wiki. . Powered rail, an item used to speed or move minecarts; The Most Frequent Rails In Minecraft Are Plain Rails, Which Are Solid Bricks. Minecraft will be given a doped boost once the detector rail activates the powered rail. 1 Screenshots 9 See also Tutorial explaining the detector rail. i have this shitty render distance and these are my settings, for the record i have no idea how render distance works. The trick is to find the right number of powered rails and regular rails to follow each detector rail. It puts out a redstone current when any kind of minecart is on top of it. How to craft Detector Rails in Minecraft. png How to hook up a simple detector rail cAfter that, players will need to load up a detector rail with a minecart on top of the shroomlight. The reason this works is because there is a block directly next to the minecart when it is placed. Be sure to use plenty of detector rails and powered rails, no more than every 7 units of regular track to keep your carts traveling at optimal speed. A Detector Rail in Minecraft is used as a switchable Redstone power source. Powered Rails recipe 👉 Minecraft, a daylight detector detects when there is sunlight and produces a redstone signal. Rails rail curved minecraft railway transit example otherHow to make a rails in minecraft pe? I made system with hipper minecart which need 16 seconds to unload items, so detector rail send signal, repeaters delay it. They can also be used to send a minecart from one detector rail to another. Note that in versions before 1. Rail placement and orientation: First of, the fact that they default for north-south orientation really annoys me when building parallel tracks, since you need to keep the orientation in mind when building them. 2. Detector rails generate redstone energy (for a redstone wire or other contraption) when a minecart is on them. A Detector Rail is like a Pressure Plate and will send a. . Subscribe Now:…Powered rail The powered rail, when attached to redstone, moves your minecart along the rail. How does a detector rail work? A detector rail activates when any minecart is on it (even if only a portion of the minecart is on it), and deactivates when no minecarts are on it. Source: Minecraft Forums. To make a powered rail, replace the iron in the above recipe with gold ingots, and place redstone dust below the stick. Web in this short video, i show you how to craft detector rails in minecraft!join my subscriber discord: Web a detector rail is a block that can transport minecarts and can be used as a switchable redstone power source. press "ENTER". powers adjacent redstone dust and adjacent redstone repeaters facing away from the detector rail, to power level 15. Here's a step-by-step guide to activating the T Flip Flop. They are a reliable way to transport players and items. The arriving cart passes over a detector rail, activating a powered rail that boosts the resting cart away. Players can. Detector Rails even emit power when a Minecart passes over it. 1. Build Minecraft Rails with Crafting. I'm assuming you're using a hopper minecraft unloading system, so you could use the output from the. What you need to do to make it work is to change the track to. The trick is to find the right number of powered rails and regular rails to follow each detector rail. Here's how to use one. Place 1 piston , facing up beside the detector rail ( where redstone dust is). Players can craft railways by making multiple sets of rails and assembling them into a track. Stone pressure plates can detect only players and mobs, also producing a strength of 15. For a redstone torch, place redstone dust directly above a stick. Speed boosters require straight, flat tracks to work. Detector Rail can be got using a command in creative mode. Spacing for powered rails minecraft max Activator# What do Activator rails do in Minecraft?Īctivator rails cause any minecart that runs over them to drop off any player or material that is being transported. After that, put a piece of Redstone dust in the bottommost cell of the middle column. Craft rails in minecraft and use mine carts easily (2022) Rails switches minecart Rails minecraft rail recipe normal mod railway sloped downwards upwards. The engineering of rails and redstone can be difficult to understand. The Detector rail will either activate or deactivate any attached redstone. 3 Mob interaction 3 Sounds 4 Data values 4. Mungo Darkmatter shows how to make detector rails an activator rails using raw materials. The signal will be transmitted to blocks that are adjacent to the rail and redstone placed under the rail, much like how pressure plates work. Detailed descriptions and step-by-step instructions provided on the Minecraft-Max. Minecraft Rails Guide. The trick will be getting it to go off in the correct direction once leaving. Now simply click the rails and drag it into your inventory. We can also subtract signals using one comparator and a signal coming from the side so this measurement won't take too much space. Speed boosters require straight, flat tracks to work. Place a powered rail on top of the Redstone block. How to craft Activator Rails in Minecraft. Next to this rail, put redstone leading away from the square. When the button is pressed, the track becomes powered and boosts the cart away. Beginner's Guide - Basics and Features. To make a regular rail you will need 1 stick and 6 iron ingots. . This signal can be used like any other redstone signal; it can operate pistons, and also power Powered Rail. How do you make a detector rail in Minecraft? In Minecraft, these are the materials you can use to craft a detector rail: 1. The detector rail is similar in function to both a standard Rail and a pressure plate. Fill the entirety of the 1st and 3rd columns with 6 Gold Ingots, then place a wooden stick in the center of the crafting grid and 1 Redstone directly underneath it. . Minecraft rails. Detector rails are basically pressure plates on rails. 1-all the people has a very good ideas and models. Creative Menu Location is the location of the item in the Creative Inventory menu. However, this rule can be broken in some circumstances resulting in an actual top speed of 11 m/s such as track arrangement, downhill movement, or through the incorporation of. After that, put a piece of Redstone dust in the bottommost cell of the middle column. A powered rail or two would also be helpful to ensure speed. Detector Rail. When making rails, it is important that the iron ingots and the stick are placed in the exact pattern as in the image below. A rail can be placed on: The powered rail, when attached to a redstone switch, speeds up your minecart along the rail. With the 'Use' command, turn it into a Night Time sensor. To make detector rails, place 6 iron ingots, 1 stone pressure plate, and 1 redstone (also called redstone dust) in. To make detector rails, place 6 iron ingots, 1 stone pressure plate, and 1 redstone (also called redstone dust) in the 3×3 crafting grid. To make 16 simple Rails in Minecraft, you need six Iron Ingots and a Stick. First, a full minecart on top of a detector rail with a comparator emits a signal strength of 15 (Full cart - 1 item emits 14). Detector rails are used to momentarily power Redstone as the minecart passes over place them like any other rail. They can be used to open doors, power pistons, or with any other complex Redstone contraptions, you create. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. First, open your crafting table so that you have the 3x3 crafting grid that looks like this: 2. Minecraft rails make crafting materials inventory placeRails switches minecart The minecraft guideTracks railcraft minecraft rails. The minecart is stopped by an unpowered, inclined Powered Rail with a Hopper above. Many people can travel the world thanks to the construction of a rail system. It detects whether a container minecart is filled or not and then sends a Redstone signal depending on its level of fullness. Rails Are Used For Transportation In Minecraft. They can also be used to send a minecart from one detector rail to another. Build Minecraft Rails with Crafting. When powered rails are not powered by redstone, they slow down and stop the. The button both flips the junction track, and powers the powered off track the Minecart is sitting on. 20 (Bedrock/Java). 19 The Wild?A detector rail could also be used to activate an event based on a cart's location. Signal go to powered rail and activate it so minecart go to next tour of collecting items. What do detector rails do in Minecraft? Detector rails act as pressure plates, which can be used to create signals and other functions when minecarts pass over them. A Powered Rail is a block that decreases and increases the speed of Minecarts on a Rail system. How to Craft Detector Rails in Minecraft. A detector rail is a type of rail that produces a redstone signal when a minecart is on it. In this video I talk about Powered Rails and Detector Rails. You can place 2 power rails after the detector rail to get a faster boost. The repeater and comparator should be facing away from the rail to be powered by it. 8 coming out soon it will be really easy to copy paste this pattern over and over. Subsequent place 3 gold ingots on all. The Detector Rail acts similar to a Button. Light weighted pressure plates can detect all entities,. Hey RottenNugguet, if you have no idea for new 3D models, look. How does a detector rail work? A detector rail activates when any minecart is on it (even if only a portion of the minecart is on it), and deactivates when no minecarts are on it. [Minecart][Power Rail] [Detector Rail] [Power Rail] BLAH BLAH BLAH What your doing wrong is connection 2 power rails on each end of the detector rail. Powered rails can increase or decrease. Download Article. There are several different types of rails. When the button is pressed, the track becomes powered and boosts the cart away. In Minecraft,. 20 Trails and Tales Update. To make a stone pressure plate, place 2 stone blocks in the 3x3 crafting grid. How To Use Activator Rails In Minecraft YoutubePut a dispenser on top of the Redstone torch. To effectively use an activator rail, players should make a railroad that is several blocks long. #Minecraft*Follow me on Social Media:*-----. 1. A sequence of rails (including regular rails, activator rails, detector rails, and powered rails) is called a track. A powered rail for example is powered and a curved rail can change orientation. When these rails lead into a solid block, Powered Rails will make your Minecart go the opposite way of the block. How To Craft Detector Rail. A detector rail can be attached to the top of any opaque block, or to the top of an upside-down slab or upside-down stairs. Detector Rails are a type of rail that acts as a pressure plate, therefore putting out a Redstone current and being able to do many things related to minecarts. 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. From there, you can press the button, and because the button is technically occupying the block right next to the rail, it will power it, launching you to the right. Rails curve when there are two rails placed at right angles to it. They are: This Minecraft tutorial explains how to craft detector rails with screenshots and step-by-step instructions. A detector rail could also be used to activate an event based on a cart's location. How To Craft Activator Rail Minecraft [Pc] Youtube. Activator rails cause any minecart that runs over them to drop off any player or material that is being transported. 0. This rail duper is super easy to use. Then, add a hopper to the back of the dispenser. Why? Because * you is why. Not exactly easy to do if you're not really good with minecart stuff and redstone. Add Items to make Detector Rails In the crafting menu, you should see a crafting area that is made up of a 3×3 crafting grid. 6 gold ingots, 1 stick, and 1 redstone dust produces 6 powered rails. Light weighted pressure plates can detect all entities,. This is very useful to create redstone clocks and allow for some form of randomization by making various tracks overlap into each other. 18. The variants are regular rails, powered rails, detector rails, and the activator rail. And a detector rail fits well in the item transportation part. The detector rail is now ready to use. Minecarts are entities, not blocks. If. Rails can be found in large number in abandoned mineshafts, but they can also be created with 6 iron ingots and a stick, which will create 16 rails. What Do Detector Rails Do - DIY. Subsequently, one may also ask,how do you craft a. Just put redstone torches next to the powered rail, which are far cheaper to make than detector rails, and thus make the powered-rails "always on" (up to a max powered-rails distance of 8). The first cart stop can have a Detector Rail which activates a track switch to redirect a following cart to a different cart stop as long as the first is occupied. Conclusion. Shown Here, the current system brings the mob to this spot, they're tossed out, the cart continues and depresses a detector rail, the detector rail extends the piston, and the mob is pushed in the direction of the red arrow. Additional properties [edit. If the mi…How to make Detector Rails in Minecraft. To summarise the pictures, when the minecarts go over the detectors rails, they allow for the connect rail to be flipped for just enough time to allow the player/entity to return back from the original starting point. When a Minecart passes over this Rail, it can activate a Redstone. Detector Rail – Official Minecraft Wiki Detector rail minecraft minecart hopper comparator comparators signal chest give only gamepedia Minecraft rails detector power use Download Article. . Stick Placement: In the center slot of the crafting table, place a stick. If necessary, push minecart to get started. The detector rail will activate the powered rail and give your minecart a speed boost. Best to experiment in a creative world until you get it working the way you want as it's going to be tricky. I'm assuming you're using a hopper minecraft unloading system, so you could use the output from the. It can be broken faster by using a pickaxe. If mined without a. Place your lamps over a hole in your ceiling. Rail Activator Mechanism. 2). How to craft the detector rail and where you can find it. The minecart rests on the slanted powered rail because it the track acts like a brake. They can be used to open doors, power pistons, or with any other complex Redstone contraptions, you create. They are crafted with gold ingots, Redstone dust, and. Powered Rails and Activator Rails will show up red when placed next to a Redstone power source; a Detector Rail will show up red once activated by a Minecart and so will the rail it activates; Powered Rails. Activator rails cause any minecart that runs over them to drop off any player or material that is being transported. DETECTOR RAIL CRAFT RECIPE. Both items have been in. Upwards and downwards sloped rails will create a straight section of track of sixteen blocks that go up or down one block. To make detector rails, place 6 iron ingots, 1 stone pressure plate, and 1 redstone (also called redstone dust) in the 3×3 crafting grid. powers adjacent. 2 Natural generation 1. A detector rail activates when any minecart is on it (even if only a portion of the minecart is on it), and deactivates when no minecarts are on it. These detector rails. 1. So you will have to find a way to keep the rails powered, however you want to. . RELATED: What Does Recovery Compass Do & How To Craft It In Minecraft 1. In respect to this,how do you craft a rail? To craft a rail, place 6 iron ingots in 2 columns with a stick in the middle, yielding 16 pieces of rail. To summarise the pictures, when the minecarts go over the detectors rails, they allow for the connect rail to be flipped for just enough time to allow the player/entity to return back from the original starting point. The 3x3 grid will be visible to players in the crafting UI. Detector Rails even emit power when a Minecart passes over it. Detector rails act as pressure plates, which can be used to. To make detector rails, place 6 iron ingots, 1 stone pressure plate, and 1 redstone (also called redstone dust) in the 3×3 crafting grid. When a minecart is on top of it, the rails will send a pulse to the blocks under and next to it. How to make Detector Rail in Minecraft || Crafting Recipe of Detector Rail in Minecraft || Minecraft Basics ||. Place a daylight sensor on your roof. . 4. When a Minecart passes over it, it will output an analogue redstone signal. ; Required Materials to make Detector Rails. Additional properties [] A detector rail requires six iron ingots, a stone pressure plate and one redstone dust. 3 posts, 10/14 3:51PM. They can also be used to send a minecart from one detector rail to another. You start on a small island floating in the middle of void with a few items and a single tree. It was added as a response to the minecart booster bug, which was fixed with the release of Beta 1. Powered rails can be used to affect the speed of minecarts that travel over them. ago. In this video I show you how to make detector rails and powered rails and how they work in Minecraft!To get on the server:1. Place a lever that connects this redstone to the unpowered rail. How do you link minecarts? To. A detector rail can be used as a rail that can detect when minecarts are on it or how full container minecarts on it are. The summon command makes a special minecart, you run the minecart on top of decetor rails that have the tp commands in them. A normal Rail (also known as Minecart Tracks) is a non-solid block on which any type of Minecarts ride on. The idea is that you can create and expand your very own world infinitely with only minimal materials. Detector rails are very similar to activator rails, the only difference is that instead of setting off the minecart, the detector rails set off the attached redstone. 9k more updated Sep 16, 2021 Detector Rail advertisement A Detector Rail is like a Pressure Plate and will. When placed, a detector rail lines up with adjacent rails, powered rails, and other detector rails, as well as adjacent rails one block above it. This requires: open chat (press "T") write command /give @p minecraft:detector_rail. What do detector rails do in Minecraft? Detector rails act as pressure plates, which can be used to create signals and other functions when minecarts pass over them. Minecart shaking due to being on top of an activator. The sequence of detector. ) an adjacent powered block (strongly-powered or weakly-powered) a powered redstone comparator or redstone repeater facing the activator rail. Detector rails act as pressure plates, which can be used to create signals and other functions when minecarts pass over them. The minecart is stopped by an unpowered, inclined Powered Rail with a Hopper above. Rails rail curved minecraft railway transit example otherHow to make a rails in minecraft pe?I made system with hipper minecart which need 16 seconds to unload items, so detector rail send signal, repeaters delay it. To effectively use an activator rail, players should make a railroad that is several blocks long. Mobs cannot walk across rails of any type, but a player can. Place your lamps over a hole in your ceiling. Each crafting combination yields 16 rails. How to craft Detector Rails in Minecraft.