Richpin demonstrates how to test an alternator with a standard multimeter. First make sure that the vehicle's battery is fully charged. Take the negative lead of the multimeter and put it on the negative post of the battery. Place the positive lead of the meter on the positive ...more
Learn how to use a multimeter to check for proper ground with help from this quick video. Also shown, is how to use a Fluke probe to pierce wires to test voltage. You can uses these practices when installing car alarms, fog lights, car stereo, and accessories.
If you're working with a capacitor and wondering whether it's working or not, this video will help you find out. You're going to need a multimeter, available at any good electronics store. This device is capable of testing many different electric devices, and capacitors are on ...more
A cool way to test a LED bulb emitter! Plug it in to your multimeter and see it light up. It's really cool!
If you're doing any sort of electrical work at home, a multimeter is an invaluable tool to have. But as invaluable as it is to have a volt/ohm meter, it is obviously even more invaluable still to know how to use one. And, with this electrician's how-to, you'll learn how to do ...more
Checking your circuit breaker is so easy, a cave man could do it! (I smell a lawsuit) With this easy to follow video, you'll learn how to check the voltage with a multimeter to determine if there is a problem regarding your circuit breaker.
This is a guided hands-on laboratory activity to help a student understand the proper and safe use of a multimeter to measure voltage using an electronic labs kit. This video guides the student through the proper techniques for measuring voltage with a multimeter.
This guided hands-on laboratory activity to help a student understand the proper and safe use of a multimeter to measure current using an electronic labs kit. This video guides the student through the proper techniques for measuring current with a multimeter.
If you own or have access to an auto-ranging or manual-ranging multimeter you can measure several different aspects of circuits, resistors, and the like. For example, you can determine the resistance, voltage, continuity, and current with the multimeter to help you determine t ...more
This is a guided hands-on laboratory activity to help a student understand the proper and safe use of a multimeter to measure electrical resistance. These two video guides the student through the proper techniques for measuring resistance with a multimeter, but you'll need som ...more
Thanks to How To Make Anything, you can learn how to make and do pretty much anything! In this video, learn how to use a multimeter as a battery tester for those days your battery tester is out to lunch!
Measuring the voltage of a piece of electrical equipment is a somewhat dangerous and complicated but necessary process if you want to do any sort of DIY electrical projects. This video will show you how to use a multi-meter to read the DC voltage of a power drill battery, with ...more
If you want to start making a basic electronics project by placing power sources and such on a breadboard, you should make sure that the breadboard will work first. You can do this by using a multimeter to perform a continuity test on your breadboard, which this video will tea ...more
This is a tutorial for how to use a multimeter to take volt and amp measurements of a silicon solar cell and solar modules.
Learn how to use a multimeter. Multimeters are amazing measuring devices that are an absolute necessity for anybody who wants to works with electronics. However, if you don't know how to use one, you might as well not have one, a problem this video remedies by teaching you var ...more
Doing proper maintenance on your car is important for making sure that your car will last for years. There's a bunch of different areas of where you can work, but in this tutorial, you'll find out how to check the antifreeze coolant using a multimeter. So check it out, good lu ...more
This video tutorial is in the Home & Garden category which will show you how to use a multimeter to check for continuity, measure resistance and voltage and many more values. Multimeters are like the electrical engineer's Swiss army knife. Multimeters can be of digital or anal ...more
The first thing you need to get is a multimeter this will help you test it. There might be a function on the meter that will give you the amount of voltage in that particular area. Then you have to put foil tape on all of the inside of the guitar to test it. You need to get tw ...more
"Ahoy-hoy." If telephone titan Alexander Graham Bell had his way, we'd all be answering phones like Mr. Burns. Thankfully, frienemy Thomas Edison had enough sense to realize we weren't always on the briny. He preferred "hello" as our standard telephone greeting, which he is c ...more
As some of you Mad Science readers will remember, we recently covered the separation of water into hydrogen and oxygen using electrolysis. Passing a current through water can rend it apart, but we can also recombine that oxygen and hydrogen to make electricity! This is the pri ...more
To determine what is causing your windshield wipers to malfunction and not work, it is important to investigate the wiper motor and switch to determine if either is causing the problem. This guide uses a Saturn S-Series as an example. Before you can begin working on your car' ...more
Solar panels are an amazing invention. Catching energy from the Sun before it even enters Earth's food chain, photovoltaics are like an all-natural nuclear power plant. Unfortunately, the constituted parts of a solar panel are rare, valuable, and subject to the coercive forces ...more
Basic instructions on how to troubleshoot the heater blower motor of a Saturn S-series. The heater blower motor is located behind the glove compartment of your vehicle. Disconnect the negative and positive power supply. (The black wire is usually the negative.) Using a multime ...more
Ultimate Handyman demonstrates how to check a washing machine pump for blockages. First, disconnect the washing machine from the electricity source and remove the pump. The water sucks through the inlet and is pumped out of the outlet. Check to make sure that the pump doesn't ...more
Check out this kitchen table science experiment on how to make electricity from copper, zinc and water. You can make your own battery to power a small LED light from just nails, copper wire and water. You will need copper wire, zinc (in the form of galvanized nails), a multim ...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
Hi there, first I'm canadian and my SUV so. I'm a hobbyist doing his best, not a mechanic, I don't take charge of other people's installation issues. Anyway, I decided to buy a SUV some months ago, and it comes without the wiring harness for the trailer and the hitch. I made i ...more
The starter on your car's health is directly related to how many amps it pulls from the battery. This video will show you how to use a multimeter to check volts going from the battery to the starter, and use an amp meter (don't use the multimeter for this part!) to check the a ...more
If you ride your bike at night frequently, you've probably had at least one close call with a car, pedestrian, or some other moving obstacle because of reduced visibility. Not only is it dangerous to ride at night without lights, it's illegal in a lot of places. Make sure no o ...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
When it comes to coffee, some people just like perfection. Most would agree that the best cup of coffee comes from home, after roasting your own green coffee beans. But not everybody has the time or money to have complete control over their coffee's flavor. Roasting via stovet ...more
This video will help you diagnose and troubleshoot on a basic level, your electric kit. I get asked alot "please fix my rc" and the main issue is that people do not understand how their rc works. While using a multimeter, I will show you how to diagnose battery batteries bars, ...more
Want to learn how to harvest the sun? Just watch this science experiment video to see how to convert sunlight into hydrogen fuel. It's simple and environmentally friendly. You'll need a multimeter, a solar panel, some crocodile clips (or alligator clips), glass, water and car ...more
Fireworks are the best part about the Fourth of July and other celebrations, but they can easily cause accidental injuries. It's both safer and more fun to set them off remotely, so we'll hack some standard fireworks with nichrome wire, a relay, and an Arduino to ignite remote ...more
There's more than one way to test a fuse, and it doesn't have to be expensive. In this video tutorial, see how to test an electrical fuse with a screwdriver tester or multi-meter. A test screwdriver is relatively cheap and simple to use. A multimeter is a little more expensive ...more
One day, your car may break down and you won't be able to afford to hire a mechanic, so what do you do... you look on the web for some how-to vehicle repair videos and become your own car mechanic, that's what. You don't need any advanced training to perform repairs and simple ...more
One day, your car may break down and you won't be able to afford to hire a mechanic, so what do you do... you look on the web for some how-to vehicle repair videos and become your own car mechanic, that's what. You don't need any advanced training to perform repairs and simple ...more
If you're looking to see if you're working with a live, dead, or leaking capacitor, this video is just what you need. You'll want to have a multimeter and you need to remember: capacitors can be dangerous things. They hold and release electricity very rapidly, so you can get s ...more
If you're working on a LLV postal truck, this video will show you how to determine if you've got a bad fuel pump or not. It's a quick diagnosis trick to determining if there's an electrical problem with the fuel pump, and first you need to take out the ECMB fuse, plug a jumper ...more
If you suspect that there may be something wrong with the fuel pump on your Saturn car, you should make sure you have proper voltage in the connector in your trunk. If you do, the next step is to check the ground. Take a look at this guide on how to use a multimeter to furthe ...more
Does your car idle high and make an obnoxious racket every time you are stopped at a light, drawing dispproving looks from your fellow motorists? If you are into home car maintenance, you may be able to diagnose the cause of this problem yourself. This video illustrates how to ...more
One day, your car may break down and you won't be able to afford to hire a mechanic, so what do you do... you look on the web for some how-to vehicle repair videos and become your own car mechanic, that's what. You don't need any advanced training to perform repairs and simple ...more
In order to install Warmups Underfloor heating system, you will need the following: a Warmup Thermostat, a Warmup Kit, RCD, a multimeter, a permanent marker, measuring tape, tape, and scissors. Prepare the subfloor in advance. Install insulation. The surface needs to be smoot ...more
Electronics are the most important new thing people have created in the last hundred years, and learning how to use them will make you much more able to function in modern society. If you want to learn about electronics without going to a class or anything so formal, this exce ...more