Watch this video tutorial to see how to make extremely simple scales. This scale is useful when you want to weigh small portions of a substance (like a few grams of powder). It is difficult to get real weight using these scales though. To make this homemade scale, you'll need ...more
Take apart a 9V battery and turn it in to Six AAA batteries. This way you save money. amazing science experiment trick. This is a simple battery deconstruction that results in a 9 volt battery's dissection into six AAAA batteries. They are not AA or AAA, but a kind you won't f ...more
The person who can hold a 9v battery on their tongue the longest wins.
Learn how to build your very own motor, but not just one motor, three motors. These motors you will learn to make a very simple, and the materials needed are minimum. Just watch to see how to make simple homemade battery-driven motors. For the first motor, you'll need a batte ...more
Make a battery connector for electronics and science projects with items laying around the house.
For great looking fog, you no longer need to go to the local film prop store or Halloween store (which is almost always closed 11 months of the year). You can make your own homemade version of a fog machine. Okay, it's not as strong as a electric-powered fog machine, but if y ...more
I feel like doing a bit of chemistry today, how about you? To my knowledge, thermite is the hottest burning man-made substance. Thermite is a pyrotechnic composition of a metal powder and a metal oxide that produces an exothermic oxidation-reduction reaction known as a thermit ...more
Do you have one of those jobs where the minutes seems to stretch by like hours? Then shaving off an extra twelve might make all the difference. All you need is cunning (to kidnap the workplace clock for the night) and hacking skills (not to worry, creator Randy Sarafan will he ...more
Musical boxes are best known for their kitschy designs and somewhat trivial renditions of musical masterpieces. They tend to frequent the dresser of young girls or elderly woman hanging on to their youth, and for the most part, they remain cutesy and harmless, but when feature ...more
Make your very own hydrogen (and oxygen) generator with a 9V battery, copper wire, and baking soda (or salt). Why? Who knows. Make sure to check your connections. For more information on this hack, including detailed, step-by-step instructions on assembling your own HHO genera ...more
This video shows us the method to make a universal motion alarm to protect your home. You will need a reed switch with an alternating contact, a 9V battery with a battery clip, a switch, a buzzer, a small plastic box and a magnet. When a magnet is brought near the reed switch, ...more
Make a lighter with one or two AA batteries and simple tiny wire!!! This is a fantastic homemade electrical lighter for any situation. You'll need two AA batteries, a push switch, a battery holder, wire, solder, soldering iron, electrical tape, crimper, and scissors for this c ...more
Save tons of money by building your own LED pen that works with a multitouch smart board / whiteboard. You'll also need a WiiMote (Wii Remote) to use in conjunction with your homemade LED pens that you'll be making in this video. To get started with this awesome project, you'l ...more
Watch this science video tutorial from Nurd Rage on how to make silver different colors by electrochemical anodizing. Without using paint, you can give a silver surface various colors by anodizing it. WARNING: Anodizing solution is corrosive, so wear gloves at all times when ...more
For most people, New Year's Eve means watching the ball drop in Times Square. It means celebrating the New Year with friends and family. Countdown parties, clocks, confetti... passing out before the clock strikes midnight because you drank too much. But there's one more thing, ...more
Change a normal 9v battery into a life saver. If you have ever run out of juice on your phone and could really use a quick charge, then you need a USB battery. Take a look at this instructional video and learn how to create a pocket USB battery. Materials you will need for thi ...more
Change a normal 9v battery into a life saver. If you have ever run out of juice on your phone and could really use a quick charge then you need a USB battery. list: 1 5.1v zener diode 1 330-ohm resistor 1 9v battery connector 1 9v battery solder and soldering iron (you can ge ...more
Make a homemade battery out of things laying around the house. It may not be the strongest thing around, but hey, that doesn't mean you shouldn't do it.
Check out this instructional science video to learn how to make a steel wool soap pad ignite. Using a 9v battery, touch the Brillo pad to make the steel wool ignite. This is a simple science experiment following step by step the instructions in this video tutorial, trying out ...more
This demonstrates how to wire a 555 timer chip for Pulse Width Modulation. Items used: solderless breadboard, 555 chip, 510 ohm resistor, 100k ohm variable resistor, 1 RGB LED at 20-25ma, wires, and 9v battery. And those vertical lines are what i mean in terms of what you can ...more
Hack a car photo to be a really awesome decorative object for your home or office at a very low cost. It's also really fun to make! All it takes is a few LED lights and a 9V battery.
OK master spy, it's time to get your lurk on. If you're going to be spying, you'll need to be able to spy at night. This video will show you how-to make your very own night vision goggles so you can keep up with your mark well after the sun goes down. You'll need a 9V battery, ...more
This video tutorial will show you a detailed way to make fire with steel wool and a battery. This is a great way to start fires on camping trips or for emergency situations. Just makes sure you carry some steel wool and a 9V battery on you at all times, or maybe just in your r ...more
In this video tutorial, viewers learn how to use the Digital Lux meter. The meter is packed in a carrying case. Begin by removing the unit and the plastic cover from the sensor. Then install the 9V battery. This device has 3 settings and has a hold function. To use it, move th ...more
Seems just about anything can be constructed with LEGOs these days. You name it- a printer, an engine, an ATM, guns... even a house! Dave and John Xandega's circular saw is made with LEGO bricks, but the blade is definitely real: "She's got a Lego 9V Battery Housing and Moto ...more
See how to do electrolysis of water with graphite (lead from a pencil). The positive side has oxygen bubble, and the negative side has hydrogen bubble. Just get a 9V dry cell battery.
Unbeknownst to the general public, picking a lock can be a very easy process once you get the hang of it (yes, surprising AND frightening). A vibrating lock pick set takes the general ease of picking even further by speeding up the process. Now, with the help of Invent Geek, y ...more
WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. Thanks to all of our active moderators and ...more
At night, it can be pretty difficult to see what's inside drawers and cabinets, unless you have night vision or something. Sure, you can turn on the light, but sometimes you're in such a hurry that you don't have 5 seconds to walk over to the light switch and turn it on. Perh ...more
You must have seen some expensive mp3 players and CD players which have LEDs fixed on them and they dance to the tune looking really pretty. Imagine you could make your own LEDs and configure them to dance to Daft Punk or Swedish House Mafia. I’m going to tell you how it can ...more
I love robots. They have the potential to evolve into Asimovian destroyers of the human species, but have only just mastered the art of cleaning my rug. They have an ever increasing cool factor and a growing number of cheap and simple components that let the hobby roboticist r ...more
In the past few weeks, you've already learned how to make your bike light up at night with some DIY rim lights and handlebar lights. But how about something a little more functional? Instead of using those tedious hand signals (which drivers don't even understand), spruce up y ...more
Two years ago, driven by a good friend of mine i decided to give it a try on timelapse photography. I had a DSLR camera but didn't had an intervalometer, so i assembled a small electronic circuit on top of an Arduino Uno, made some basic code and did my first timelapse movie. ...more
An accelerometer/gyro goes onto an Arduino board and transmits the angular motion of the skateboard via Bluetooth to a virtual reality game I made for Android phones and Google Cardboard. DIY Virtual Reality Skateboard Video: . This is a really fun and easy project that can b ...more
Volume markings on large pots and mixing bowls make life so much easier. They cut out the step of measuring and save you the trouble of washing measuring cups. However, there aren't many containers out there that actually have volume markers in them. Good news is that you can ...more
The worst part of moving into a new place is, well...moving. It's tedious, a lot of hard labor, and it can take forever, and don't even get me started on all those labels. It's also one of the only times in your life when everything you own can be stolen at once, since it's si ...more
Want to spice up your origami cranes? MIT's High-Low Tech Group made two electronic origami cranes that flap their wings when you squeeze their tails. Video: . If that's not cool enough, they connected them wirelessly so that when one flaps its wings, the other lights up. Vide ...more
Damn right, you don't just eat 'em. When you're done with your next Pringles can, you can turn it into a kaleidoscope, a pinhole camera, and even a solar hot dog cooker. But Instructables user TheSpodShed may have just created the most awesome way to upcycle empty Pringles ca ...more
Facial recognition software is being more widely used with every passing day. Your local law enforcement is probably already using it, and it will be even easier for them now that the FBI handed out its own facial recognition software to state authorities. Even the fine folks ...more
There is thousands of motor driver, do you find an easy way to measure the drive current? That is what this motor shield do. The drive chip is L298N. The following steps is how to control two DC motors and how to measure the drive current. With it, you will make your control s ...more
If you want to control electronic devices, such as a relay or motor, you can do so using MicroPython with an ESP8266 and web browser. Usually, you'd program an ESP8266 using Arduino, but C++, which Arduino uses, is not always the easiest programming language for beginners to l ...more
Hand made air conditioner made of a foam lunch box, 5 volt DC fan, 4 AAA rechargeable batteries, and some ice. This homemade AC can run on batteries and you can plug directly into any USB port. Video: .
Wow! No longer do you have to buy those huge marble machine roller coaster toys — you can DIY one! This video covers the materials, tools and techniques used to make a homemade rolling ball marble machine. If you haven't seen this rolling ball marble machine toy in action yet, ...more
Every day we pass bridges, whether it's a foot bridge, a highway overpass, a span over water, or a viaduct over a valley. We pass on these structures without even thinking of the engineering genius that went into their design and construction, let alone the science behind thei ...more
Valentine's Day is almost here, and if you're like me, you're scurrying to do something special for your mate. The standard chocolates and flowers just isn't cutting it anymore, and you can only make so many homemade cards before it becomes banal and meaningless. So, what can ...more
Whenever we make a homemade circuit, we use what are called through-hole components. Any components with long metal leads is a through-hole component. They are great for soldering to, but it's tough to fit enough through-hole resistors and capacitors into a smartphone. To get ...more
WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. Thanks to all of our active moderators and ...more
I have an absolutely wonderful time making projects and writing articles for all of you mad scientists! Today, I will bring you behind the scenes for a look at the workbench, tools, and software that make the Mad Science World possible. Above is my beautiful workbench! My who ...more
This is a nice project that you can continue to work on and modify as you learn more Arduino projects. The Instructable linked below goes through the complete build for the Bluetooth-enabled robot seen in the first half of the video. As long as you have a 3D printer, this pro ...more
Here's a technique I used to whip up a batch of super cheap and easy to make smoke flares! WARNING: Ignition of an incendiary or explosive material may not be legal in your area, so check local laws before attempting. Use of this video content is at your own risk. Video: . Th ...more
Warm water is an essential part of life that we sometimes tend to take for granted. Over one billion people, or roughly one-seventh of the world's population, have no access to hot water. Warm water is not only comforting when showering and bathing, but also helps the body ge ...more
We've featured Temporary Services before, but we thought they deserved a full spread. In this post, we've included some of their How-To drawings and examples of recreated prison art. Temporary Services is: "... a project in collaboration with Angelo, an incarcerated artist. ...more
If you're breaking a sweat in the summer heat, but not trying to break the bank, this dead simple trick will show you how to make your own air conditioner for under ten bucks. Video: . What You'll Need 1 styrofoam cooler 2 dryer vents 1 small fan you've probably got lying aro ...more
There was a dynamic mic in my junk box, but without any stand or connection cable. I needed a high-quality microphone to narrate my project videos, so I had to think of a way to build a stand for the mic. This is what I came up with. Video: . I used a 2GB sound recorder for wi ...more
Whether or not The Purge franchise will be as successful as Friday the 13th, A Nightmare on Elm Street, Halloween, or even the Saw movies remains to be seen, but it's definitely winning in the Halloween costumes department. Don't Miss: Halloween Makeup Masks from Purge: Anar ...more
Aside from the second-generation iPhone SE, all new iPhone models since the iPhone X have had Face ID instead of Touch ID as the biometric authentication technology. While Touch ID can be touchy, Face ID is not without its own issues. If you can't get Face ID on your iPhone to ...more
We've showed you how to make Butterfingers and Kit Kats, as well as custom-shaped chocolates, but have you ever thought about making your own gourmet chocolate bars? It's a fairly simple process, once you understand tempering, and there are endless flavor possibilities when y ...more
To make soap, you need fat, and if you've seen Fight Club, you're probably well aware of where soapmaker Tyler Durden got his fat from. Liposuction clinics. If you're not willing to go that far for a perfect bar of homemade soap, you can just use some drain cleaner and America ...more
Glow sticks, a popular favor at parties and outdoor events, and a must-have on Halloween, can be traced back to the United States Navy in the mid-1960s. The military desired improved visibility during night operations, and glow sticks, with their small-size portability and lac ...more
Aluminum foil is one of those things that every cook, experienced or just starting out, has in their kitchen. And while we may think we know how useful this handy material can be, there are hundreds of ways we could be utilizing tinfoil to make our lives a whole lot easier. 1 ...more