During last Saturday's Weekly Workshop, we played with redstone combination locks. A redstone combination lock is a redstone device that relies on logic gates in order to power a door or some other redstone powered item. The complexity of a lock can often be determined by how many logic gates are used in conjunction with each other. We used redstone logic gates in a previous tutorial as well. Combination locks can be used to keep your loot safe on a chaos server, create fun mini-games, or test would-be griefers before they dare enter your server without reading the rules. As with all things redstone, combination locks can be extrapolated for many, many uses.
In this example, we'll use an intermediate lock that can be changed either for more simplicity or greater complexity.
Step 1 Build Your Combination Array
Typically, the combination of a redstone lock is entered using levers. The lock is usually opened either by a pressure plate or stone button after completing the correct combination. We'll use levers and pressure plates in this example.
Step 2 Build an And Logic Gate
All redstone gates transmit a signal based on a certain set of requirements. A redstone And logic gate is named as such, because it requires two redstone signals to be sent to it simultaneously in order to send a final signal. This means that our combination above will have to be right in order to help activate one half of the And Gate.
Step 3 Connect the And Gate and Combination Array
Step 4 Add a Second Redstone Activator
The And Gate still needs a second redstone signal in order to be activated. This will be the final step needed to open your door or other redstone activated devices. This can be a button, a pressure plate, or a lever.
Step 5 Complete the Lock
Now you can breath easy keeping unwanted beings out and your favored items in. A special thanks to everyone who made this workshop an awesome one!
Questions or comments? Please feel free to leave them in the comments section below.
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