Wiring Two Switches

War leaves a lot of stuff behind. Torn families, delegitimized institutions, mass graves, and unexploded ordinances litter the post occupation landscape. Whether or not you have driven the imperialist out, or are still in the phase of armed resistance, you will need the abilit ...more

Building a DIY Alarm System: The Concept So, you want to protect your property, or maybe a room, car, or even your backyard. The concept of an alarm system is to notify the "alarm administrator" that there is an intruder entering the previously designated boundaries. The trig ...more

BUD (Block Update Detector) switches can essentially take the place of a regular switch like a lever or a button, but instead of having a "usable" function like pressing the button or flipping the lever, BUD switches trigger when a block next to a piston changes states. There ...more

This article will show you how to make a shutter release cable for a Canon camera. It took me about half an hour once all of my materials were gathered. I came in at a total of about eight dollars. It has three switches and buttons. The black button on mine triggers the auto f ...more

Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. Harvesting items from animals no longer requires wasting precious time chasing after them. During last Saturday's Weekly Workshop, we built a few different kinds of animal harvester ...more

In this series, I'll be exploring electromagnetic weapons, how to build them, their function and application to the future, and the amazing possibilities electromagnetism has to offer. First, the electromagnetic pulse generator, or EMP. You've probably heard of these before, a ...more

If you've got old game consoles lying around and aren't sure what to do with them, there's no shortage of projects you can undertake. From turning a Game Boy and Wii Remote into an Android phone gamepad to combining a GameCube and N64 to make a hybrid console, there's somethin ...more

Many people get so discouraged by their failures with redstone that they give up using it entirely, or never progress beyond using simple switches. However, by incorporating logic gates into your redstone designs, the applications are nearly limitless. The ability to add multi ...more

The guitar is a double-edged sword. I've played all my life, and though I love the act of guitar playing, there are quite a few people I could live with never hearing play again—ever. Paradoxically, it seems that the less dexterous and committed to practicing are the more lik ...more

If you've spotted an unintended Ethernet connection and wondered what you could do with all of the information coursing through those wires, there's an easy way to hack into it and find out. Let's say there's a router that we need to know the password for, and we have physica ...more

I like to grow vegetables all year round, and I couldn't afford the big gas bulbs, or the power to run them. The big gas bulbs: can explode can burn you and your plants cost upwards of $50 a month to operate raise the temperature in your home, causing the air conditioning to ...more

Most of the oddest games in the world are free web games. They may not always be well made, but low budgets (and consequently low risk) allow them to be as weird as they fancy. That's a big part of why they are so interesting. Prime examples such as Don't Take It Personally, B ...more

Kizeme This Japanese word, kizeme, means "spirit of attack." It is said of Miyamoto Musashi, the famed Japanese swordsman, that as he grew older he relied more on kizeme to defeat adversaries and, as a result, emerged victorious from challenges without taking the life of his ...more

Here is the introduction sequence for the game, it's one of the best for this generation: The arrival of the player is mirrored by the arrival of the riverboat, as if the player is getting off the boat to a new location just like the characters. The piano music at the beginnin ...more

This article is dedicated to sugarcane, because we all want more sugarcane in Minecraft. The best way to generate sugar cane is with an automatic reed farm that uses pistons and redstone. The pistons push the canes into the water canal you'll build, then delivers them to the c ...more

Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. Redstone gives you the power to construct an endless number of possible machines, mechanisms, and devices. With redstone one can move more efficiently, send messages long distance, ...more

Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. There are many amazing redstone builds, but probably the pinnacle of redstone technology is the redstone calculator. The ability to turn simple game mechanics into a real-life calcu ...more

No one likes having their home invaded, and sometimes you just don't want to have to wait those precious few seconds for someone or something to drown, suffocate, or burn up. This trap utilizes gravity to destroy anyone who may want to pillage your home, be they monster or pla ...more

GTA4 1st Person View Mod This mod has been out for a while, but with some people gettings Grand Theft Auto 4 for the PC last week because of the Steam sale, there has been talk about what are the best mods to get. There is a thread on Neogaf that talks about playing the game ...more

Well, not just chicks. A couple LEGO dudes, too. (Oh, and a horse). All I can say is, I'm head over heels in love. With a LEGO People operated, felt tip pen printer. B3ta forum member Squirrelfantasy spent about three weeks building his LEGO printer, which uses a felt-tip pen ...more

My least favorite aspect of the winter season is how my fingers always turn into stiff, numb digits, unfeeling and seemingly incapable of making even the slightest movement. Yes, that might sound overdramatic, but if you hate wearing gloves like I do, you probably know exactly ...more

In iOS 15, Apple unveiled a new feature called Focus, an extension of Do Not Disturb that lets you focus on the one thing that's important at any particular moment. It does so by minimizing distractions from your iPhone and other Apple devices, but there's a lot you should kno ...more

When it comes to security, Android generally takes an all-or-nothing approach—once someone has your PIN, they're free to do just about anything, up to and including wiping your device. This is why you have to be extra careful to ensure that neither strangers nor friends are lo ...more

A travelator, also known as a moving walkway or moving sidewalk, seems like a tricky thing to build in Minecraft, especially when it's zigzagging, but there are really simple autowalks out there (like this one). For this tutorial, I'll be showing you how to make the travelato ...more

In my first tutorial on Linux basics, I discussed the importance of hackers using Linux and the structure of the directory system. We also looked briefly at the cd command. In this second Linux guide, I'll spend a bit more time with changing directories, listing directories, c ...more

When it comes to cybersecurity, one layer isn't enough. A complex password (or one created with a password manager) does a good job of protecting your data, but it can still be cracked. Two-factor authentication strengthens this by adding a second layer of security, giving you ...more

Not to be confused with the band, ABBA switches are so named because they reverse outputs such that they fire in A-B-B-A order. So, your redstone devices will essentially fire in one order (A and then B) when activated, and then deactivate in the reverse order (B and then A). ...more

BUD switches (short for Block Update Detector) can be triggered without levers, buttons, tripwires, or any other traditional switches. Instead, they're triggered by changes in block status. That is, placing a block, destroying a block, hoeing grass, clearing snow, etc. These ...more

Welcome back, my greenhorn hackers! I've been writing these Linux tutorials in an attempt to fill the void in the education of some aspiring hackers into the Linux operating system. There is a lot to know, and in this tutorial, we'll look at Linux file permissions. Step 1: Ch ...more

I got my first Philips Hue White and Color Ambiance bulbs because they're the consensus best of the best for colored lighting. But after spending 90 bucks on two light bulbs, when it came to all the accessories like switches and buttons, I went with cheaper third party options ...more

Combination locks in Minecraft can be really simple or frustratingly difficult, but no matter how complicated they are, some of them fall victim to the same simple exploits. First, I suggest you watch this video, which will explain the whole thing for you. Then I'll go over i ...more

The cord on your headphones is usually more enemy than friend. While they obviously need it to function, a tangled or unnecessarily long cord can wreak havoc on your sanity. Personally, I've broken at least two pairs of headphones by tripping over the cord and yanking the jack ...more

Video: . Project Overview Have any old school floppy drives lying around? Get hacking... and transform them into an electronic orchestra! This project uses a myRIO embedded controller and four floppy disk drives. The myRIO effectively plays the disk drives like musical instru ...more