Make a Lead Battery

How To : Test and inspect lead acid batteries

This two part video goes over the procedure for testing and inspecting lead acid batteries. A machine is required to test the battery itself. You can do the visual test at home, and then bring it to an auto parts store for the machine test part. Part 1 of 2 - How to Test and i ...more

How To : Build an infrared smart board with a Wiimote

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

How To : Taxidermy a dead rat and add bright red LED eyes

This is gruesome. Beware. Don't watch if you're easily grossed out. The rat has a battery access hatch made out of velcro on its back, not shown in the film. If you solder a battery, make sure you do it quick - if the battery is exposed to heat from the soldering gun for too l ...more

How To : Make LED ice cubes

Learn how to make LED ice cubes with this tutorial! Steps: First take LEDs of any color and test it with a small battery. Then take a ice tray and a strip containing holes in which the LEDs can easily fixed. Now take Resin and Hardener solutions and stir them. Now place the LE ...more

How To : Make an LED floatie balloon

Light up your world with these beautiful and easy-to-make illuminated LED balloons. You will need: 1 ten mm non-diffused LED balloon duct tape two CR2032 3v Lithium coin batteries optional: helium These LED balloons are awesome. Cool for parties.

How To : Build and use a tinyCylon kit

In this Electronics video tutorial you will learn how to build and use a tinyCylon kit. The kit contains a battery pack, a PCB, LEDs, resistor, a momentary switch and a screw. The long end of the LEDs will go into the square shaped contacts. Don’t push the LEDs right up to t ...more

How To : Build a mini fume extractor

Materials needed: Altoid mint tin, 9 volt batter and connector, switch, 7812 voltage regulator, 12 volt computer fan, carbon filter and 2 pieces of screen. Wire the battery connectors. Solder all of the following: Negative connector to the switch, wire to the switch, ground wi ...more

How To : Shop for an eReader

These days, eReaders are everywhere. For die-hard book nerds, eReaders offer the convenience of a full library without having to sacrifice shelf space. Sure, there are the paper buffs who swear that you just can't take an eReader with you into the bathtub, but when's the last ...more

How To : Build a Leyden jar and use a capacitor

Simple yet effective, capacitors come in a dizzying array of forms and materials, vital to so many circuits for storage, timing, and filtration - the mighty capacitor! In this installment of the MAKE presents series, Collin Cunningham explains - how to build a Leyden jar, how ...more

How To : Make a rechargeable, solar-powered USB battery

An emergency battery charger for your mobile phone comes in handy, but it's not the ultimate solution; once it's dead it's useless (what a waste). If you want to really get off the metaphorical grid, you can follow the steps in this video to construct a more robust circuit tha ...more

How To : Use a breadboard, also known as a protoboard

This two-part video introduces you to the breadboard, also called a protoboard, used to build electronic circuits without soldering. The first part of this presentation describes the features of a breadboard. The second video continues by showing you how a breadboard is used ...more

How To : Use LED throwies to add color to your neighborhood

What's an LED Throwie? Watch this video and find out how to light up your neighborhood using colorful LED's and magnets! Yet another great idea for creating neighborhood art from Graffiti Research Lab. LED Throwies are an inexpensive way to add color to any ferromagnetic surf ...more

How To : Make a lithium thionyl chloride battery

Watch this science video tutorial from Nurd Rage on how to make a lithium thionyl chloride battery, which is capable of generating 2.8v with enough current to power a LED. Warning: Thionyl Chloride is EXTREMELY toxic and this experiment must be performed in a fumehood by an e ...more

How To : Wire up crystal focus boards for Jedi lightsabers

Watch as Novastar and Gundamaniac demonstrate detailed wiring for a crystal focus board for Star Wars Lightsabers! Making your very own Jedi Light Saber may be a daunting task if you don't know what you're doing, but this four-part video tutorial will save the day from evil fo ...more

How To : Make a retro wireless headset

In order to make a retro wireless handset, you will need the following: vintage handset, a momentary switch, a resister, a Blue tooth headset, wires, a drill, and a blue LED and mount. Disassemble the blue tooth head set. Then, disassemble the handset. Remove all of the wires ...more

How To : Install LED gauge lighting in a Volkswagen MKIV

This detailed video series shows you everything you need to do to install an LED lighting gauge cluster in your Volkswagen MK4 (Jetta, Gulf, or GTI). Part 1 starts with disconnecting the battery, Part 2 has you remove the interior cluster, Part 3 you disassemble the instrument ...more

How To : Assemble a Survival Kit

I am writing this quick post in response to the recent earthquakes and tsunamis that are affecting Japan. As soon as the news broke, and we began to hear of tsunami warning for our area, I immediately realized how under prepared I was for a natural disaster. The thing that dro ...more

How To : Make a glowing ice bulb from a balloon

To make a glowing ice bulb, like the one in this how-to video, you need LEDs, batteries, wire, a balloon, and electrical tape. First, you connect the led to the wires. Then, you put the LED in the balloon, fill the balloon with water and freeze it. Once frozen, remove the ball ...more

How To : Make home made night vision goggles

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

How To : Make a lighted holiday bow

What a unique bow. Your gifts will be beautiful under the Christmas tree. Materials you will need are: plastic wrap, hot glue, LEDs, scissors, pliers duct tape, glue gun and glue, toothpicks and 3 volt batteries. First you take the plastic wrap and cut it about 5 times the siz ...more

How To : Make 9 volt LED flashlights using household items

In this clip, learn how to make super powerful 9 volt LED flashlights using things you most likely already have around the house. You will make these mini-lights out of things like batteries and scrap wires. So, dig around in your garage and see what you can find to get starte ...more

How To : Make a potato powered clock MacGyver style

In this video we manage to power a clock with nothing but two potatoes. In order to make this you will need two potatoes, a triple A battery powered clock, bare wire, galvanized nails, and leads, which you can find at radio shack. The clock is powered by the potato battery.

How To : Overhaul a car battery charger

If you have an older battery charger and it works apart from having worn out terminals or frayed wiring, don't throw it away. Overhaul it with new wires, a plug and clip leads. This costs about $15 at the most instead of the $50 for a new unit. So watch this automotive repair ...more

How To : Solder a resistor to an LED

A basic instruction for electronic enthusiasts. I use an RGB LED and a 510 ohm resistor as I may change from 6 to 9 volts later, but with my LEDs i could go as low as 330 ohms. I sacrifice some brightness for the sake of longer life. To choose your resistor, the value in ohms ...more

How To : Remove rust with electricity

This video demonstrates a great way to take rust off of metal piece that are hard to clean by hand. You will need a plastic bucket, a wire hanger, and a battery charger. In the bucket mix one gallon of water and one tablespoon of washing soda. You can make washing soda in the ...more

News : Super Cap USB Flashlight!

This awesome how to explains the construction of a DIY USB-charged flashlight! The coolest part is that there are no batteries! Two super capacitors hold the charge from the USB and release it to the LED light at the touch of a button! Image from La famille créative

News : PlayStation x Cell Phone (Yes, Please)

Though Sony has yet to officially announce the release of their rumored PlayStation cell phone, images of the device were leaked this morning on Chinese website IT68. Possibly called the Sony Ericsson Xperia, the mystery phone features slide-out PlayStation controls, 4-inch t ...more

How To : Make a Pandora battery from a PSP slim battery

In this video, learn how to make a Pandora battery with the original PSP slim battery. To complete this tutorial, you will need your PSP, scissors, electrical tape, an Exacto knife, and a lead pencil with an eraser. Note: In order to know which line to cut, the videomaker has ...more

How To : Wire a 555 timer chip for PWM

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

HowTo : Magical LED Tin Can Lantern

Instructables member mark-mark creates a beautiful effect with just a tin can lantern and an LED. It's as simple as it sounds: punch a decorative pattern into a tin can and insert your LED rig. Catch the impressive result here. You Will Need: Quart sized tin can with lid Pr ...more

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