How to make a comparator in Minecraft is a question many players ask to enhance their redstone contraptions; COMPARE.EDU.VN offers a comprehensive guide, walking you through the process of crafting and utilizing these invaluable components, and it is essential for advanced redstone builds, allowing you to create intricate logic circuits and automated systems, which ensures seamless crafting and effective use of redstone comparators in Minecraft. Dive into topics like redstone logic, signal comparison, and comparator circuits to master advanced builds.
1. What Is A Redstone Comparator And Why Is It Important?
A redstone comparator is a versatile component in Minecraft used to compare signal strengths, maintain signal strength, or subtract signal strengths; its importance stems from enabling complex logic circuits, automated systems, and precise control over redstone mechanisms, and it is crucial for creating item sorters, advanced doors, and memory systems. Understanding how to make and use comparators unlocks a new level of creativity and efficiency in your redstone builds.
- Logic Circuits: Comparators are fundamental in creating AND, OR, and XOR gates.
- Item Sorters: Essential for filtering and sorting items in storage systems.
- Signal Strength Control: Maintains or modifies signal strength for specific purposes.
- Automation: Powers advanced automated farms and contraptions.
- Memory Systems: Used in building basic memory cells and storage units.
2. What Platforms Support Redstone Comparators?
Redstone comparators are supported across nearly all Minecraft platforms, ensuring players on any device can utilize this powerful component. The consistent availability allows for universal application in redstone builds, regardless of the platform you play on.
| Platform | Supported (Version*) |
|---|---|
| Java Edition (PC/Mac) | Yes (1.5) |
| Pocket Edition (PE)/Bedrock | Yes (0.14.0) |
| Xbox 360 | Yes (TU19) |
| Xbox One | Yes (CU7) |
| PS3 | Yes (1.12) |
| PS4 | Yes (1.12) |
| Wii U | Yes |
| Nintendo Switch | Yes |
| Windows 10 Edition/Bedrock | Yes (0.14.0) |
| Education Edition | Yes |
*The version that it was added or removed, if applicable. NOTE: Pocket Edition (PE), Xbox One, PS4, Nintendo Switch, and Windows 10 Edition are now called Bedrock Edition.
3. Where Can You Find A Redstone Comparator In Creative Mode?
In Creative Mode, redstone comparators can be found in specific inventory menus, depending on the Minecraft version and platform. Knowing the exact location saves time and allows quick access for testing and building.
3.1. Minecraft Java Edition (PC/Mac)
| Version(s) | Creative Menu Location |
|---|---|
| 1.8 – 1.19 | Redstone |
| 1.19.3 – 1.21.4 | Redstone Blocks |
3.2. Minecraft Pocket Edition (PE)
| Version(s) | Creative Menu Location |
|---|---|
| 0.14.1 – 1.1.3 | Tools |
| 1.2 – 1.21.0 | Items |
3.3. Minecraft Xbox Editions
| Version(s) | Creative Menu Location |
|---|---|
| TU35 – TU69 | Redstone and Transportation |
| CU23 – CU43 | Redstone and Transportation |
| 1.2.5 – 1.21.0 | Items |
3.4. Minecraft PS Editions
| Version(s) | Creative Menu Location |
|---|---|
| 1.26 – 1.76 | Redstone and Transportation |
| 1.26 – 1.91 | Redstone and Transportation |
| 1.14.0 – 1.21.0 | Items |
3.5. Minecraft Nintendo
| Version(s) | Creative Menu Location |
|---|---|
| Patch 3 – Patch 38 | Redstone and Transportation |
| 1.04 – 1.11 | Redstone and Transportation |
| 1.5.0 – 1.21.0 | Items |
3.6. Minecraft Windows 10 Edition
| Version(s) | Creative Menu Location |
|---|---|
| 0.14.1 – 1.1.3 | Tools |
| 1.2 – 1.21.0 | Items |
3.7. Minecraft Education Edition
| Version(s) | Creative Menu Location |
|---|---|
| 0.14.2 – 1.0.18 | Tools |
| 1.0.21 – 1.21.03 | Items |
4. What Materials Are Required To Make A Redstone Comparator?
To craft a redstone comparator, you need three redstone torches, one nether quartz, and three stones. Gathering these materials is the first step to creating comparators in Survival Mode.
4.1. Redstone Torches
Three redstone torches are required; each torch is crafted from one stick and one redstone dust. Redstone torches provide the necessary power source for the comparator to function.
4.2. Nether Quartz
One nether quartz is needed; this material is found in the Nether dimension. Nether quartz is essential as it provides unique properties required for the comparator’s function.
4.3. Stones
Three stones are necessary; these can be obtained by smelting cobblestone in a furnace. Stones form the base structure of the redstone comparator.
5. How To Craft A Redstone Comparator In Survival Mode?
Crafting a redstone comparator in Survival Mode involves several steps, from gathering the necessary materials to arranging them correctly in the crafting grid; each step is crucial for successfully creating the comparator.
5.1. Open The Crafting Table
Access your crafting table to open the 3×3 crafting grid, which is essential for creating the redstone comparator. The crafting table provides the interface needed to combine the materials.
5.2. Add Items To Make A Redstone Comparator
Place the three stones, three redstone torches, and one nether quartz in the correct pattern on the crafting grid. The specific arrangement is critical for the crafting recipe to work.
5.2.1. Crafting Grid Pattern
- First Row: One redstone torch in the center box.
- Second Row: Redstone torch, nether quartz, and redstone torch in the first, second, and third boxes, respectively.
- Third Row: Three stones in each of the three boxes.
5.3. Move The Redstone Comparator To Inventory
Once the redstone comparator appears in the output box, move it to your inventory for use. This action completes the crafting process and makes the comparator available.
6. What Are The Item ID And Name Of A Redstone Comparator?
Understanding the item ID and name of a redstone comparator is essential for using commands and configuration files. The naming conventions ensure correct identification across different versions of Minecraft.
6.1. Minecraft Java Edition (PC/Mac)
| Item | Description (Minecraft ID Name) | Data Value | Stack Size | Version(s) |
|---|---|---|---|---|
| Redstone Comparator | minecraft:comparator | 0 | 64 | 1.8 – 1.12 |
| Redstone Comparator | minecraft:comparator | N/A | 64 | 1.13 – 1.21.5 |
6.2. Minecraft Pocket Edition (PE)
| Item | Description (Minecraft ID Name) | Data Value | Stack Size | Version(s) |
|---|---|---|---|---|
| Redstone Comparator | minecraft:comparator | 0 | 64 | 1.0 – 1.21.50 |
6.3. Minecraft Xbox One
| Item | Description (Minecraft ID Name) | Data Value | Stack Size | Version(s) |
|---|---|---|---|---|
| Redstone Comparator | minecraft:comparator | 0 | 64 | 1.6.0 – 1.21.50 |
6.4. Minecraft PS4
| Item | Description (Minecraft ID Name) | Data Value | Stack Size | Version(s) |
|---|---|---|---|---|
| Redstone Comparator | minecraft:comparator | 0 | 64 | 1.14.0 – 1.21.50 |
6.5. Minecraft Nintendo Switch
| Item | Description (Minecraft ID Name) | Data Value | Stack Size | Version(s) |
|---|---|---|---|---|
| Redstone Comparator | minecraft:comparator | 0 | 64 | 1.6.0 – 1.21.50 |
6.6. Minecraft Windows 10 Edition
| Item | Description (Minecraft ID Name) | Data Value | Stack Size | Version(s) |
|---|---|---|---|---|
| Redstone Comparator | minecraft:comparator | 0 | 64 | 1.0 – 1.21.50 |
6.7. Minecraft Education Edition
| Item | Description (Minecraft ID Name) | Data Value | Stack Size | Version(s) |
|---|---|---|---|---|
| Redstone Comparator | minecraft:comparator | 0 | 64 | 1.0 – 1.21.03 |
7. What Are The Block States For A Redstone Comparator?
Block states define the properties of a redstone comparator, such as its facing direction, mode, and power status. Understanding these states is crucial for advanced redstone control and command usage.
7.1. Minecraft Java Edition (PC/Mac)
| Block State | Value | Default | Required | Description |
|---|---|---|---|---|
| facing | north | Yes | No | Item is facing North |
| facing | south | No | No | Item is facing South |
| facing | east | No | No | Item is facing East |
| facing | west | No | No | Item is facing West |
| mode | compare | Yes | No | Item is in compare mode |
| mode | subtract | No | No | Item is in subtract mode |
| powered | false | Yes | No | Item is not powered |
| powered | true | No | No | Item is currently powered |
7.2. Minecraft Pocket Edition (PE)
| Block State | Value | Default | Required | Description |
|---|---|---|---|---|
| direction | 0 | Yes | No | Item is facing North |
| direction | 1 | No | No | Item is facing East |
| direction | 2 | No | No | Item is facing South |
| direction | 3 | No | No | Item is facing West |
| output_lit_bit | false | Yes | No | Item is not powered |
| output_lit_bit | true | No | No | Item is powered |
| output_subtract_bit | false | Yes | No | Item is in compare mode |
| output_subtract_bit | true | No | No | Item is in subtract mode |
7.3. Minecraft Xbox One
| Block State | Value | Default | Required | Description |
|---|---|---|---|---|
| direction | 0 | Yes | No | Item is facing North |
| direction | 1 | No | No | Item is facing East |
| direction | 2 | No | No | Item is facing South |
| direction | 3 | No | No | Item is facing West |
| output_lit_bit | false | Yes | No | Item is not powered |
| output_lit_bit | true | No | No | Item is powered |
| output_subtract_bit | false | Yes | No | Item is in compare mode |
| output_subtract_bit | true | No | No | Item is in subtract mode |
7.4. Minecraft PS4
| Block State | Value | Default | Required | Description |
|---|---|---|---|---|
| direction | 0 | Yes | No | Item is facing North |
| direction | 1 | No | No | Item is facing East |
| direction | 2 | No | No | Item is facing South |
| direction | 3 | No | No | Item is facing West |
| output_lit_bit | false | Yes | No | Item is not powered |
| output_lit_bit | true | No | No | Item is powered |
| output_subtract_bit | false | Yes | No | Item is in compare mode |
| output_subtract_bit | true | No | No | Item is in subtract mode |
7.5. Minecraft Nintendo Switch
| Block State | Value | Default | Required | Description |
|---|---|---|---|---|
| direction | 0 | Yes | No | Item is facing North |
| direction | 1 | No | No | Item is facing East |
| direction | 2 | No | No | Item is facing South |
| direction | 3 | No | No | Item is facing West |
| output_lit_bit | false | Yes | No | Item is not powered |
| output_lit_bit | true | No | No | Item is powered |
| output_subtract_bit | false | Yes | No | Item is in compare mode |
| output_subtract_bit | true | No | No | Item is in subtract mode |
7.6. Minecraft Windows 10 Edition
| Block State | Value | Default | Required | Description |
|---|---|---|---|---|
| direction | 0 | Yes | No | Item is facing North |
| direction | 1 | No | No | Item is facing East |
| direction | 2 | No | No | Item is facing South |
| direction | 3 | No | No | Item is facing West |
| output_lit_bit | false | Yes | No | Item is not powered |
| output_lit_bit | true | No | No | Item is powered |
| output_subtract_bit | false | Yes | No | Item is in compare mode |
| output_subtract_bit | true | No | No | Item is in subtract mode |
7.7. Minecraft Education Edition
| Block State | Value | Default | Required | Description |
|---|---|---|---|---|
| direction | 0 | Yes | No | Item is facing North |
| direction | 1 | No | No | Item is facing East |
| direction | 2 | No | No | Item is facing South |
| direction | 3 | No | No | Item is facing West |
| output_lit_bit | false | Yes | No | Item is not powered |
| output_lit_bit | true | No | No | Item is powered |
| output_subtract_bit | false | Yes | No | Item is in compare mode |
| output_subtract_bit | true | No | No | Item is in subtract mode |
8. What Is The Give Command For A Redstone Comparator?
The /give command allows you to obtain a redstone comparator instantly using console commands. This is particularly useful for testing, building in Creative Mode, or quickly acquiring the item in Survival Mode with cheats enabled.
8.1. Minecraft Java Edition (PC/Mac)
- Versions 1.13 – 1.21.5:
/give @p comparator 1- Versions 1.8 – 1.12:
/give @p comparator 1 08.2. Minecraft Pocket Edition (PE)
/give @p comparator 1 0(Versions 1.12.0, 1.13.0, 1.14.0, 1.16.0, 1.17.0, 1.18.0, 1.19.0, 1.20.0, 1.21.0 and 1.21.50)
8.3. Minecraft Xbox One
/give @p comparator 1 0(Versions 1.12.0, 1.13.0, 1.14.0, 1.16.0, 1.17.0, 1.18.0, 1.19.0, 1.20.0, 1.21.0 and 1.21.50)
8.4. Minecraft PS4
/give @p comparator 1 0(Versions 1.14.0, 1.16.0, 1.17.0, 1.18.0, 1.19.0, 1.20.0, 1.21.0 and 1.21.50)
8.5. Minecraft Nintendo Switch
/give @p comparator 1 0(Versions 1.12.0, 1.13.0, 1.14.0, 1.16.0, 1.17.0, 1.18.0, 1.19.1, 1.20.0, 1.21.0 and 1.21.50)
8.6. Minecraft Windows 10 Edition
/give @p comparator 1 0(Versions 1.12.0, 1.13.0, 1.14.0, 1.16.0, 1.17.0, 1.18.0, 1.19.0, 1.20.0, 1.21.0 and 1.21.50)
8.7. Minecraft Education Edition
/give @p comparator 1 0(Versions 1.12.0, 1.14.31, 1.17.30, 1.18.32, 1.19.52, 1.20.10 and 1.21.03)
9. What Can You Do With Redstone Comparators?
Redstone comparators have a wide range of applications in Minecraft, from simple signal management to complex logic operations. Their versatility makes them an indispensable tool for any redstone engineer.
9.1. Signal Strength Comparison
Comparators can compare the signal strength from two inputs and output a signal based on the comparison. This function is essential for creating logic gates and controlling mechanisms based on specific conditions.
- A > B: If input A is stronger than input B, the comparator outputs the signal strength of A.
- A = B: If input A is equal to input B, the comparator outputs the signal strength of A.
- A < B: If input A is weaker than input B, the comparator outputs no signal.
9.2. Signal Subtraction
In subtraction mode, a comparator subtracts the signal strength of the side input from the back input. This is useful for creating precise signal controls and detecting changes in inventory levels.
- Output = Back Input – Side Input: The output signal is the result of subtracting the side input’s strength from the back input’s strength.
- Minimum Output: The output cannot be negative; if the side input is stronger, the output is zero.
9.3. Inventory Detection
Comparators can read the fullness of containers like chests, hoppers, and droppers, outputting a signal strength proportional to the number of filled slots. This is crucial for creating automated storage and sorting systems.
- Full Container: A fully filled container outputs the maximum signal strength (15).
- Empty Container: An empty container outputs no signal (0).
- Proportional Signal: Partially filled containers output a signal strength between 1 and 14, depending on the number of filled slots.
9.4. Item Sorters
Using comparators, you can create complex item sorting systems that filter and route items to specific storage locations. These systems are highly efficient for managing large inventories.
- Hopper Filters: Comparators detect the presence of specific items in hoppers.
- Redstone Logic: Direct items to the appropriate storage chests based on the comparator output.
- Automated Storage: Maintain a clean and organized inventory with minimal manual effort.
9.5. Logic Gates
Comparators can be used to construct fundamental logic gates such as AND, OR, XOR, and NOT gates. These gates are essential for creating complex redstone circuits and automated systems.
- AND Gate: Requires both inputs to be active for the output to be active.
- OR Gate: Requires at least one input to be active for the output to be active.
- XOR Gate: Requires only one input to be active for the output to be active.
- NOT Gate: Inverts the input signal; active input results in no output, and vice versa.
10. What Are Some Advanced Techniques Using Redstone Comparators?
Mastering redstone comparators involves understanding and applying advanced techniques that enhance their functionality and integrate them into complex systems.
10.1. Locking Comparators
Locking a comparator preserves its output signal, preventing it from updating until unlocked. This is useful for creating memory circuits and stable signal outputs.
- Mechanism: Involves using a redstone pulse to temporarily disable the comparator’s input.
- Applications: Memory cells, stable signal sources, and controlled updates.
10.2. Detecting Specific Items in Containers
Comparators can be used to detect specific items in containers, allowing for advanced filtering and sorting systems. This involves manipulating the signal strength based on item types and quantities.
- Setup: Utilizes hoppers filled with specific items and a comparator to read the container’s contents.
- Applications: Advanced item sorters, automatic crafting systems, and conditional triggers.
10.3. Creating Analog Signals
Comparators can convert digital signals into analog signals by varying the output strength based on the input. This technique allows for finer control over redstone devices.
- Implementation: Involves using multiple comparators and containers to create varying signal strengths.
- Applications: Controlling piston speeds, adjusting light levels, and creating custom redstone devices.
10.4. Building Complex Logic Circuits
Combining comparators with other redstone components allows you to build highly complex logic circuits capable of performing advanced functions.
- Examples:
- Decoders: Convert binary inputs into unique outputs.
- Encoders: Convert unique inputs into binary outputs.
- Arithmetic Circuits: Perform mathematical operations like addition and subtraction.
11. FAQ: Common Questions About Redstone Comparators
11.1. What Is The Difference Between Compare And Subtract Mode?
In compare mode, the comparator outputs a signal only if the back input is stronger than the side input; in subtract mode, it outputs the difference between the back and side inputs.
11.2. How Do You Switch Between Compare And Subtract Mode?
Right-click (or use the appropriate action button on your platform) on the comparator to toggle between compare and subtract mode. The front torch will light up in subtract mode.
11.3. Can A Comparator Read The Contents Of A Minecart With A Chest?
Yes, a comparator can read the contents of a minecart with a chest, outputting a signal strength proportional to the number of filled slots.
11.4. What Is The Maximum Signal Strength A Comparator Can Output?
The maximum signal strength a comparator can output is 15, which is the maximum signal strength in Minecraft’s redstone system.
11.5. Can Comparators Be Used To Detect Enchantments On Items?
No, comparators cannot directly detect enchantments on items; they can only read the presence and quantity of items.
11.6. How Do You Power A Comparator?
Comparators are powered by the input signals they receive; they do not require an external power source like a redstone torch or block.
11.7. What Is The Range Of A Comparator’s Output Signal?
A comparator’s output signal can travel up to 15 blocks, decreasing in strength by one for each block it travels.
11.8. Can Comparators Be Used In Water?
Yes, comparators function normally when placed in water.
11.9. What Is The Purpose Of The Side Input On A Comparator?
The side input is used for comparison or subtraction; in compare mode, it’s compared against the back input, and in subtract mode, it’s subtracted from the back input.
11.10. How Do You Reset A Locked Comparator?
To reset a locked comparator, briefly interrupt the signal to the comparator, causing it to update and unlock.
12. Conclusion: Mastering Redstone Comparators For Advanced Minecraft Builds
Mastering how to make a comparator in Minecraft opens up a plethora of possibilities for advanced redstone builds. By understanding the crafting process, block states, and various applications, you can create complex logic circuits, automated systems, and intricate mechanisms. Whether you are building item sorters, logic gates, or advanced analog systems, redstone comparators are an indispensable tool in your Minecraft toolkit.
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