2 Answers. Note: If the comparator's signal isn't strong enough (1 block worth of power), place a Redstone Repeater after the comparator and any output should now have 15 strength. What I did do was get a diamond block and make it so if you use /setCommand [Command] it would bind it to the diamond block. The clickEvent command is what I'm having trouble with. This means that the previous output will be stored and displayed in the command block. 2 - The Pretty Scary Update. The "Redstone" needs to be lowercase. The command syntax for what you want to do is. - Put one button on the command block. I'm working on an adventure mode map, and running into a snag. A place for all things about commands and command blocks in vanilla Minecraft; to share, to question, to discuss, and more! Please read the pinned post before posting. . The command blocks simply destroy the redstone block then respawn it using the following commands: /setblock ~0 ~0 ~-2 air /setblock ~0 ~0 ~-4 redstone_block Simple, but fun. Redstone components are the blocks used to build redstone circuits. How to resolve 'command block not working' Command blocks and functions can be used, among many other things, to change the difficulty, change the state of the weather, or give a player predesignated items. Instead the temple command block sets the players gamemode to adventure. Redstone Output From Command Blocks! (13w03a) emeraldfyr3. Step 19: Output. Code: /testfor @a [score_nameofscore_min=number,score_nameofscore=number] and then signal will be output when player hits that score. You can have the command block say /testforblock <x> <y> <z> <block> Heres an example: /testforblock ~ ~-1 ~ diamond_ore. impulse unconditional needs redstone /setblock x y z redstone_block 1. Create command blocks. 1] 298 6 50. This was considerably faster compared to the pillar of observers. or, just for good measure to ensure the redstone block or redstone torch is removed. But this doesn't work. Thanks for taking the time to address this issue. This is wrong, it sets the redstone block to two blocks above the player with the active effect. Step6: The redstone lamp is output and 2 command blocks are reset the hopper. However you make your loop remember the comparator output is intended to kill the loop. So I was using a command block and I made it unconditional, repeat, and always active I put the command /execute if entity @p [distance=5] and I put a redstone comparator in front of it but when I walk near it, the redstone comparator doesn’t activate I need help. /gamemode @p 0. This will set a scoreboard number to a random value between min and max. Signals: There are three input sources and one output source. Place 15 Redstone. doc_shades • 1 yr. Web To Give A Random Player A Sharpness X Diamond Sword: Web summon a redstone block beside the command block: Web used to trigger an event on an entity. In 1. 2. Once you get to a part that needs Command Blocks, just make a small server and add them then. The item will despawn in 20 minutes, depowering the block and turning the redstone torch on. Though it will link to any block, not every block can act as a display or source. Now run this command by pulling the lever and you should see the redstone block drop on top of your command block. Using a second repeating command block, you can use the following command to detect when the score reaches 1200: /scoreboard players test count dummy_objective 1200 In conditional chain command blocks following the above command, you will need to set the score back to 0, then execute the commands that you want: /scoreboard players set count. If using fill commands to move the redstone block is not satisfactory then we can still create a piston with a command block that will move the redstone block to the next command block and repeat ad infinitum. Put the output in. You can put comparator behind command block in which is. Execute redstone output when player goes to specific coordinates with radius (distance) HELP . ). The first command you can run is. 4. Redstone dust on the block. Then, choose the “ Create New World ”. A command block can produce output in the form of a success count, which can power a. They are particularly useful for the /weather and /time set commands, as they are only available in cheat mode otherwise. I hope I helped you. 2 if a command block with this command execute if @a [xyz] (so count the number of players in a certain area); is connected to a comparator the redstone output is always 1 even if there are more player in these area For example if there were 3 players the redstone signal created by the comparator should be 3 blocks. It says "Unknown Command. There are many situations where this behavior is not desirable, and you need a pulse instead of a signal. I'm curious to see if there is a way to detect if a certain block is NOT in the expected position. 3 in the section about Dispenser source). It will only output one or zero depending on whether it does exist or. Eu não escrevi "local rs = require (" redstone ")". Note that not all "successful" commands actually do something, and not all "failed" commands fail to do. The interface of a display link with a Target as a source and a Lectern as an output. The way those work is if the previous command block returns something that is not null, then the conditional command block will then run its command. With a command chain, all the commands that are part of it will execute at the same time, but in order. The tier one Redstone Card only supports vanilla redstone functionality (single-line analog redstone). GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. There are methods that can do that using the command from the sign, and it allows wireless redstone power. When the player is within 3 blocks a redstone signal is generated through the comparator! This is huge!!! By putting them in a small hole and putting a tripwire hook above them, you can trigger a redstone signal when they get near. Here are the commands for pasting: Right command block: /setblock x y z minecraft:air 0. Also, command blocks have an arrow on them, a command block set to "chain" mode (so it turns green) will only run its command if the command block pointing to it has completed its command, so if you can run your commands in order you only have to test the output of the last command block. As you can see, the output throught the repeaters show rapid fluctuation. 5 Block Detector Mod. I have a problem. (Use F3 to check direction, look at pointing-at co-ords) In the center of the image is my testing harness. Next Place your 3 random items into the. To extend the signal you can could just build a long chain of comparators. Place a command block on the ground in a location near your player character. IMPORTANT: If you have commands in command blocks that were written with the older Bedrock-specific syntax, those commands will continue to work like they always have. Right click on the mouse to place the command block. There will be three modes of command blocks: Impulse: Regular behavior, command gets activated via redstone; Repeat: The command in this command block gets activated every tick (superfast clock); Chain: This is the one you're looking for, see below; Command blocks. This command basically asks the game whether there is atleast one. TahoeBennie •. Have a red stone comparater to convert the value of items to redstone output. Sorted by: 2. If the command block is successful in clearing golden boots it will let out a redstone output. If you don't include distance, the command will trigger regardless of your xyz coordinates. ) For specifics, this is my Deathmatch system in a vanilla Survival Games map. 9 just use an IMPULSE command with. There are many situations where this behavior is not desirable, and you need a pulse instead of a signal. There are three similar. I…A redstone lamp is a block that produces light when activated with a redstone signal. behind the [-] button of the calculator. Caveat is that only certain commands support using the @r tag directly, and the. They can be programmed with console commands and chained together with. Piston clock A piston clock produces a loop of pulses by passing a block back and forth (or around, with many pistons) and drawing off a redstone pulse when the block is in a certain location. That does not answer his question. Set the Block Type to Repeat. The command block will perform server commands when attached to a redstone circuit. I'd like the player to cross over a pressure plate which fires off a command block that does some running narration. I'll teach you Minecraft command block programming! This series will help you learn step-by-step using the 1. The command /execute if entity @e [type=squid,limit=10] could send out 50% of a max redstone signal strength if 5 squids were found for example. g. This replaces a clock and is also faster. I think it would be useful to have a command or setting so command blocks can act like spawners, in that they automatically detect when a player is in range, without the need for possibly laggy redstone clocks. power the pistons with a pulse at the same time and once the pulse ends, the pistons retract and there is a 1/2 chance that either piston gets the block. So I have a 1. setting the command again, which you did, will reset the success count back to 0, turning the comparator off. This article is about a specific category of redstone circuits. STEP 1: Build like shown in picture, redstone torch place on red block is output and redstone torch place on ground is input. I've seen how a command block using /testfor can output different signal strengths to redstone contraptions. You could use the command /execute as @e. Type /give player command_block, making sure to substitute your own name for the "player" part of the command. second computer takes in 2 inputs and outputs a redstone. power the pistons with a pulse at the same time and once the pulse ends, the pistons retract and there is a 1/2 chance that either piston gets the block. Redstone components include power components (such as redstone torches, buttons, and. What I want to do is have a player come up to the reward booth with rotten flesh in their inventory. It requires a Comparator to do so, except a Comparator can not send redstone signals upwards or to the side, only forward. Enter the "testfor" command. This command is executed when the command block is powered. /blockdata X Y Z {conditionMet:1b} Automatic Activation. My guess is that these command blocks either don’t have valid commands or don’t return anything or only succeeds one tick and then fails the next before redstone had a chance to see it. In the snapshot just released today (13w03a) there is a new command, the "testfor" command. Players can sneak to avoid making vibrations and wool can be used to occlude and block them. For instance, a command to detect nearby players. message > tag > remove_tag On Minecraft for Windows 10, choose the / or T buttons. It continues to provide a true comparator output. Place a block: setblock ~ ~ ~ minecraft:command_block {SuccessCount:15} Update a block: data merge block ~ ~ ~ {SuccessCount:15} Set the output strength to the marker entity's outputStrength score (or whatever):The command block can power a redstone comparator facing away from it, with the signal strength reflecting the success count of the command. 6 I have tried using command blocks and I never did find a way to make it work with a bukkit command. When I have a specific item held in my offhand it emits a redstone output. It also takes 1 Redstone Tick for a signal to stop through a Comparator. Obtaining Command blocks can be obtained by using the pick block control or with various commands, such as / give @p minecraft:command_block . The issue is that a Command Block can not output a redstone signal on its own. well then the commands I gave you will do exactly that: place a redstoneblock (the superior redstone. What this does it forces a player with at least 1 death to execute a command, and the second part resets their score. You can also set another command block to reset his score so when he hits that score again command block. You should now see the command block on the ground. Put the output in. I don't remember if it's not "redstone" do. edited. A redstone comparator can be used to measure the state of a container, and outputs a signal strength in proportion to how full the container is (0 for empty, 15 for full, etc. Add a Redstone Device. The /time set command is especially useful, as it allows players. The logAdminCommands gamerule will prevent logging commands and outputting to the console. repeating > chain > chain. Now. A comparator will signal in the same fashion as it does for other non-inventory non-selector blocks; when the command block activates, it will be detectable by the comparator and will only produce a signal strength of redstone equal to the number of successful activations. For all it knows, a skeleton shot a zombie then the rotten flesh fell through a tripwire. Would anyone be able to explain to me why the following code in a command block (repeat, unconditional, always active) will activate a redstone comparator: /execute as @p [nbt= {SelectedItem: {tag: {display: {Name:" {"text":"save"}"}}}}] run say hi. To update when a player clicks a button, just wire up the button to the command block. Next, make a path of redstone dust by placing 15 redstone like the picture below. In other words, when it comes to comparators and conditional command blocks, we have equivalents to the old commands: I tested the /testfor command and i found it was great! I powered the command block with a button but when the button wasn't pressed anymore the command block had still a redstone output. Because sometimes you might want something that only detects blocks and not players, and sometimes you might want something that detects only. Redstone Torches. Run the first execute command on a repeating command block, and have the scoreboard reset be attached to it on a chain command block. Stack Exchange network consists of 183 Q&A communities including Stack Overflow,. The chain just needs to replace that with 0b itself again and you can run all those commands with one tick delay. Then you just check if it is powered by redstone. Build all this correctly. Command block "S" should have the following command: fill ~ ~1 ~ ~4 ~1 ~ stone (or any other solid opaque block that doesn't cause light updates when replacing the block of redstone). Impulse Command Blocks (orange) are the regular old command block. Block G2 setblock pos3 redstone_block. A command block can execute commands when activated by redstone power. Replace the command block with this command that activates when the testfor command is successful: setblock <x> <y> <z> minecraft:command_block 0 destroy {Command:"original testfor command"} If there's any quotation marks in the original command, you'll need to escape each: Command:"command "quotes" stuff". Just know that your need to run the command with {entity} targeted and you must have score_time_min={delay} in the entity selector for that. They can be used in a multitude of things, from running a light show, to making a casino. /execute @e [type=Player] ~ ~ ~ detect ~ ~-1 ~ minecraft:grass /setblock X Y Z minecraft:redstone_block 0 replace This will mean when a grass block is 1 block below them (standing on it) So. 1 Minimal Piston Clock (A) 10. Not exactly a redstone logic question, but this seemed like the best place for this. Right now I'm trying to do some new cool redstone contraptions but I've got some issues with the new command block system. Sim, coloquei o cartão redstone (nível 1). Help | Java 1. Place a block: setblock ~ ~ ~ minecraft:command_block {SuccessCount:15} Update a block: data merge block ~ ~ ~ {SuccessCount:15} Set the output strength to the marker entity's outputStrength score (or whatever): Minecraft Wiki 5 mn 30 d. 1 less than the limit, no. Redstone output from command blocks. 80 votes, 17 comments. - Write in command block "execute if data block xyz Items [ {id:"minecraft:book"}] run time set night". TheArchitect_95. Command blocks are a redstone component that execute console commands when powered. Redstone Discussion and Mechanisms; Commands, Command Blocks and Functions; How to hide messages in the command block chat; Previous Thread. Grateful!. Web catches fire from lava. 16. Randomizers are redstone circuits that generate random signals. Help with command blocks and comparators. In your case, you want to detect when a player eats a golden apple, so you would do something like: /scoreboard objectives add eatGoldenApple minecraft. Next, you will need to add the code to create a tower of redstone blocks to your existing command. the if and unless statements from the /execute command are the new /testfor. 5] run setblock -6 62 290 redstone_block. For example, if you connect this to a door, and "testfor @p [team=Insiders. In it type the following command: execute if entity @a This command. The output at the end will always be a 1-tick redstone pulse, if you want the connection to permanently stay "on" (until switched off), I recommend replacing the last non-sticky piston with a sticky piston and the last observer with a redstone block. A transmission circuit is a redstone circuit that allows redstone signals to move from one place to another. (See point 3. 4. When the command block is powered directly it activates the adjacent dropper, pushing the item into the hopper to power the output, and simultaneously changes the hopper's cooldown time to delay when it pushes the item back to the dropper. How to properly place command block chains. Minecraft: home set command Minecraft command tutorial #08: /defaultgamemode 45lovers: minecraft command. Try /help for a list of commands" An example of the command I am using is: "/clone 13 43 56 15 45 18 ~3 ~5 ~7" Everytime the command will not be executed and the previous output will state "Unknown Command" I need someone who can tell me what is wrong, and specifically what I need to do to fix it!The Block of Redstone is a Redstone-related Block that was added in Update 0. A comparator will output a strength of 1 adding one more increases the strength to 2 which could trigger a command block. Block C3 setblock pos2 redstone_block. detect specific player with command block 1. 1. 01 Minecraft Bedrock server, it is a normal MCPE server. The activation order will be along this line: At every redstone block the command block at the lower coordinate will be executed first. well, you can make it so that the redstone wire connects to a command block that says something that connects to a sticky piston that cuts off the signal of redstone and connects to an dropper on top of the pressure plate. 3. /power [level] [x,y,z] Powers a block as specified in the xyz. Adjust the commands for the number of blocks of redstone required and. It says "foo" "bar" and the final one should be "caz" but the repeater doesn't work. (Which will be used to trigger some contraption daily at said specific daytime) I've done the following: Created a dummy scoreboard called "IngameDayTime". While power source components all share the same basic function, what distinguishes them from each other. Problem : once the redstone is removed, the repeating command block locks its position and doesnt update. Targets can be mined using any tool or by hand, but a hoe is the fastest way to break it. If you specify a condition and that condition is true then the command block can output a redstone signal. 1. Set up a always running, unconditional and. Redstone components include power components (such as redstone torches, buttons, and pressure plates), transmission components (such as redstone dust and redstone repeaters), and mechanism components (such as pistons, doors, and redstone lamps). What I want to do is: Press a button. In this case posY is the. Share. Enter the following command into a command block: /testfor @a[name=<name>,r=<radius>], where <name> is a player's username and <radius> is the circular distance around the block. It always succeeds, creates no lag, and this output is invisible to all players (even creative players if you turn off output tracking for the block). INPUT OUTPUT 0 1. To detect when it has found the block, you can have a comparator running out from the command block. To begin, click on the “ Singleplayer ” option on the home screen. Jump to Forum. Once you're done setting up command blocks, type /gamemode s for survival mode or /gamemode a for adventure mode. Click Save after you've changed this setting to Enabled. So say you have an execute command that runs an. Command Blocks in columns C and D are Chain. In it type the following command: execute if entity @a. 5 64 1291. In the Top 1% of largest communities on Reddit. It sends a signal if the command is successfully run. This article assumes familiarity with the basics of redstone structures. 9. 11. Take a moment to read that last paragraph again if you need to, because you’ll need to. Ok so here's what I did (just did all over again): - Put one chest down. All I can say is to double-check your coordinates, and ensure the x/y/z is in one corner, while dx/dy/dz leads to another corner. You can have a redstone signal if you put a comparator sticking out. Oct 9, 2013. For other circuits, see redstone circuit. How do I turn off the output for a single command block? Unfortunately, you cannot do this without modding the game. Command blocks are a versatile addition to Minecraft which allows the player to control various aspects of the game (usually accessible via chat only) using redstone. For bundled input/output we currently only support ProjectRed for Minecraft 1. Business, Economics, and Finance. Wire the output into an inverter circuit. It also takes 1 Redstone Tick for a signal to stop through a Comparator. There. 5 It works fine for me (I guess because I'm an operator), but when my friends try it out for themselves by pressing the button, nothing happens. These blocks are typically available across multiplayer servers and custom servers, as they are only available in Minecraft worlds that have cheats enabled. This means that the Output signal will register one-tenth of a second slower than the input signals. 3s close 0. The command in the second command block is up to you to. Please consider visiting this post for info on how you can create a command chain. However, when I go further than 32 blocks from the command block it stops outputting a signal. /execute if entity @e[type=player,distance=. Command block command for message: /say <message>. converting a redstone signal is like putting a torch an then when the repeating commandblock does something it will turn off the redstone torch but if the repeating commandblock doesn't do something the redstone torch will stay on. I don't know why, but you just can't. Have 2 sticky pistons "fighting" over a redstone block. ), including full-block mechanism components (command blocks, dispensers, droppers, note. I'd like the player to cross over a pressure plate which fires off a command block that does some running narration. Use /setblock for a block of redstone or a redstone torch. Minecraft Redstone For Dummies. This is used to determine a variety of things, such as the output of a redstone comparator feeding from a command block with a command. 5. Columns A,B, I, J are the blocks used to reset the output to low. In the Top 1% of largest communities on Reddit. Improve this answer. This and the chain command blocks should contain the actual commands you want to activate when the condition is met. Yes. Get the companion map. I warn you that this system has two flaws, one which has an unorthodox solution. golden_apple. I have Minecraft 1. Enable Command Blocks. Command Blocks output a property called "Success Count", which represents the number of times the most recently-used command of this Command Block…You can use the tellraw command to give custom text in chat, you can also use command blocks to create custom names for items and entities. /execute as @e[type=minecraft:zombie] run scoreboard players add @p ZombieCount 1 is working well counting the number of zombies but the test just isn't picking up on it. 212k. ) The obvious answer is plate -- redstone wire -- command block : say. Currently there is no way to set two commands in one single command block (after using the powerful Google). It doesn't seem clear why commands are even being used here when it's largely a redstone setup (just like how using redstone in a largely command heavy setup doesn't fit very well). A command block is a type of block that has the ability to execute commands. Then correct the coordinates based on where the block now is, and increment the Y coordinate. 19, just start with:Hi. 4. It always succeeds, creates no lag, and this output is invisible to all players (even creative players. This tag is responsible for tracking. I was trying a simple set-up with two command blocks and a comparator in the middle, but I'm a beginner and am obviously missing the correct syntax (especially to test for a particular. ) matching specified conditions. Chapter 5: Power Sources. Now, check that what you've made looks nearly exactly like the picture above. It’s also possible to separately control the output of each side (only output on one side or different outputs on each side), by using the. Yes, I put the redstone card in (level 1). Web out of that command block is a comparator that feeds into another command block that, for me at least, sets a redstone block to power some redstone lamps:. Few that has not been mentioned being puffer fish or blazes to detect players. Basically if it's 1, it will set its own SuccessCount to 0. 1) Removing the redstone block power source won't stop the already-sent signal 2) Must have room for gradual command blocks (so at 20 seconds I could have a command block, at 30, at 35, etc. My guess is that these command blocks either don’t have valid commands or don’t return anything or only succeeds one tick and then fails the next before redstone had a chance to see it. /scoreboard players set @p. A redstone comparator is a block that can produce an output signal from its front by reading chests, lecterns, beehives and similar blocks, or repeat a signal without. Command-er. The stats command. It only went off when I destroyed the commandblock! I don't know if that has to be so or if it's a bug. STEP 2: Place a dirt on top of redstone torch input, this is where you need to hoe to trigger output. Comparator updates are updates that only update comparators, for example, interacting with a container. The data command resets the last command's success count, so if you run it at tick the command block should only give redstone pulse for one tick. true. On chat: /scoreboard objectives add SteppedOnDiamond dummy "SOD". then use a CHAIN command block with. This is great in theory. 4. To combine block states and NBT values, you put the block states ( [] s) before the NBT values ( {} s): setblock ~ ~ ~ minecraft:command_block [conditional=true] {auto:1b} This is also the command you'll need to make a conditional, always active command block! If you are using a chain command block, the auto tag is set to 1b by default, so you. Currently there is no way to set two commands in one single command block (after using the powerful Google). Follow. This. 0. The most basic power source, redstone torches grant power with a signal strength of 15 to any adjacent redstone dust, or to the block above them, from which a redstone dust signal can then be taken. @p targets the nearest player, and should only pick the single closest player to the command block. Next, you need to add a redstone device next to the command block. answered Feb 5, 2021 at 4:23. TahoeBennie •. 1. Then put a dropper under the hopper. 32. Best. Problem is it's going to generate millions of "Block Placed" lines in the logs. They are particularly useful for the /weather and /time set commands, as they are only available in cheat mode otherwise. >TL;DR at the end< I'm working on a class-based zombie survival map and i setup a little -probably ineffecient but simple enough- cooldown system. (this is optional, but recommended) Connect the output of the rising edge detector to a T-Flip-Flop. Repeat this as many times as you. TL;DR: You need a successful command to get a redstone output. So you get a repeating command block that is always on, and in it you put the following: testfor (entity or player name here) that’s it! You could also detect in a certain radius or coordinate using testfor entity or player name here[r=(radius here) Example: testfor JeremythekidRS OrThe JSON text component uses the "score" tag to display a score based on target and objective. First reset the score of all players. 9 patch for Minecraft. By adding a torch to the side of the command block and connecting it with redstone to the comparator's side input, you will reset the comparator after each test. In other words, when it comes to comparators and conditional command blocks, we have equivalents to the old commands:I powered the command block with a button but when the button wasn't pressed anymore the command block had still a redstone output. (This is what is happening in the particular example; Kevin Y has given a fine illustration of the situation. Trying to mix commands and redstone is typically a mess that's not worth the trouble. Make sure the coordinates set for that second command match the coordinates of the redstone block or redstone torch being placed, or else it will either do nothing, or remove something else entirely. Place a redstone torch next to the blob. However if you insist, the way to do this is to have a command block run scoreboard players get and attach a comparator to it. ATTACHMENTS 2021-09-10_13. ago. The "@p" is a target selector. Improve this answer. Command block pressure plate 1. Step 4: Place one hopper on the top and 1 hopper on the side (left, right, front. : A command block continues to store the success count of the last command executed until it executes its command again, thus the comparator continues to output the same signal strength even after the command block is no longer being activated (it doesn't turn off when the signal to the command block turns off). You could have one output with the true command block, then invert the output it for the false one. Is there a way to do this in 1. How the different types of command blocks behave and what they look like. Command blocks can only be obtained when cheats are activated,. Minecraft Redstone For Dummies. doc_shades • 1 yr. It detects vibrations caused by actions and events in a radius around it and emits a redstone signal, and, if it was triggered by a player, also activates nearby sculk shriekers. level 2. Minecraft Pe/Ps4/Beta/Pc/Bedrock Edition: Learn about how to make a wireless redstone in Minecraft watch the video till the end. •. 8. g. The output will be yes if the entity is found. According to the testfor command docs:. You can consider creating a command chain. If lamps that get lit with this command touch eachother, they will provide a block update. Command blocks can only be obtained when cheats are activated. Or a creeper broke a "not" circuit. For example, if I wanted to check to see if a stream was flowing, I could use the command /testforblock ~ ~5 ~ water and it would output a redstone signal if water of any depth was located 5 blocks above the. However the question may arise for normal survival or non-command-block. For something like this, it would be impossible. A command block has no idea who or what inputted the redstone. A block of redstone can be mined using any pickaxe (unlike redstone. Leave a space above it for a redstone block. 9. If [Air Block] is absent from specified stand (other block currently in it's testing position), pulse continues without replacement b. testfor <victim: target> victim: target: CommandSelector<Actor> Specifies the entities to test. /give @p minecraft:command_block. setOutput, and check to see if a redstone output is on or off on a given side of a computer using rs. Command block really aren't meant to interface with plugins. However, you also said that you'd want to emit a redstone signal. Use this wireless redstone setup (Our door is at -90 102 159): Command block left: /setblock -89 102 159 air. 4. For instance, a command to detect nearby players. That will put one at your feet pointing up. used:minecraft. For example, if someone wanted to update the output every 5 seconds, they would put a 5-second clock running into it. Once the Needs redstone command block is true, it removes the redstone dust, so the command block stops getting power, and can no longer be true. Rollback Post to Revision RollBack The good thing about creating a command block mechanism the complicated way, is that you won't have to build a lot of easy command block mechanism, instead, you can do it all in one complicated. A block of redstone is a mineral block equivalent to nine redstone dust. There are three similar command block lines with the. This block can't be crafted, and only server operators are allowed to place and use them. Allright, now to an alternative solution to your problem: 1. The video linked in a previous answer does do so more generally using command blocks. Afterwards, this.