Electronics

  • How to Wire a 24 Volt Trolling Motor
    One of the best upgrades to small fishing boats is replacing the 12-volt trolling motor with a more powerful 24-volt model In addition to producing more thrust, this upgrade ...
  • How to Build a Model Roller Coaster
    Building a model roller coaster is a great, hands-on way to learn about physics and centrifugal force Whether you plan to build a roller coaster for fun or for learning, you ...
  • How to Build Train Table
    The first mass-produced model train was made by Marklin in 1891 and since that time the hobby has grown to include millions of fans, including musicians Rod Stewart and Neil ...
  • How Do Bumper Cars Work?
    Bumper cars rely on electricity to run, which may be pulled from an overhead power supply or from built-in, rechargeable gel cell batteries In an overhead power ...
  • Step-by-Step Guide to Building Your Own RC Cars
    Designing, crafting and racing remote controlled (RC) cars has been a passion of hobbyists for some time While many aspiring RC engineers are content to purchase and assemble ...
  • How to Polish Rocks With a Dremel Drill
    Rock polishing machines are noisy and tumble rocks together to create a smooth and shiny surface You can create similar results without this machine. A Dremel tool with a ...
  • How to Make a Homemade Plasma Cutter Using an Arc Welder
    Plasma cutters are becoming the tool of choice for cutting metal They're quick, clean and easy, requiring less skill to operate than an oxyacetylene torch. However, if you ...
  • How to Test a Bridge Rectifier
    Bridge rectifiers are used to convert AC power from the wall outlet into DC power; rectifiers are common in consumer electronics that require DC power Internally, a bridge ...
  • How to Build Tattoo Machine Coils
    Wrapped coils, made from insulated copper wire and iron, are the electromagnetic backbone of any tattoo gun The coils come in three different sizes, 8, 10 and 12, which ...
  • How to Install a Winch on a Polaris Sportsman
    Your Polaris Sportsman is a very capable off-road vehicle Its lightweight, four-wheel drive system and aggressive tires make it almost unstoppable. For those few times you ...
  • How to Tune a CB Antenna Without an SWR Meter
    In 1958, the Federal Communications Commission allocated a block of frequencies in the High Frequency range for Citizens Band (CB) radio The commercial equipment available ...
  • Types of Small Airplanes
    There are several categories of small airplanes primarily used by recreational pilots Different aviation certifications are needed for the different categories. This article ...
  • How to Make Battery Powered LED Lights
    Light emitting diodes (LEDs) produce a subtle lighting effect They use very little energy and operate under low voltage power, so a battery is an effective means of powering ...
  • How to Extract the Gold From Computer Circuit Boards
    Computers and other electronic devices contain gold and other precious metals in their circuit boards As consumers upgrade their electronic gadgets, the precious metals ...
  • How to Wire a Dayton Electric Motor
    Dayton manufactures an extensive range of alternating and direct current electric motors Although wiring the peripheral accessories --- such as speed controllers, fuses and ...
  • How to Ruin an Engine
    There are actions you can take, whether deliberate or inadvertent, that can lead to ruining an internal combustion engine
  • How to Build a Remote Control Plane
    Building your own remote control plane is a great activity to occupy your time There are hundreds of resources available for people who are interested in building an RC ...
  • How to Replace a Battery for a G Shock Watch
    The G-Shock series of watches is produced by Casio Most current G-Shock watches are powered using a built-in solar panel and do not require battery changes, but models ...
  • How to Wire an Old Lionel Train Set
    Hobbyists and model railroad fans have been collecting and "playing" with Lionel trains since 1900 All electric train layouts require attachment to a power source ...
  • How to Identify Circuit Board Components
    All electronic equipment is made up of a number of component parts that work together, modifying and managing current and voltage in a variety of different ways Most ...
  • DIY Night Vision Rifle Scope
    Shooting a rifle accurately at a target requires being able to see it You can make a do-it-yourself (DIY) night vision rifle scope that will let you see what you are shooting ...
  • My RC Car Will Not Go Forward
    Radio controlled cars are a popular hobby for car enthusiasts They do have many moving parts and like their real life counterparts, can develop faults. Cars that won't move ...
  • How to Display Model Airplanes From Your Ceiling
    After the time and patience that goes into building a model airplane, you'll want to display the work so others can see it This is simple when the model is a car or other ...
  • How to Revive a Dead Phone Battery
    Cellphone batteries get a lot of use The chances are you top up your battery frequently to ensure it's always got power, rather than allowing it to completely discharge. But ...
  • How to Make Our Own Smoke Oil for Model Trains
    Model train collectors strive to make their model train sets look as realistic as possible by painting them the colors of real-life trains, adding different cars to their ...
  • How to Make a Toy Train Track Suspended From a Ceiling
    Many toy train collectors and model railroad enthusiasts lack the space needed in a basement or garage to build a permanent layout for running their trains Even a compact, ...
  • How to Repair Model Train Locomotives
    You still see them in stores during the Christmas holiday, wending their way on tabletops through snow-laden model towns But electric trains, and especially the locomotives ...
  • How to Troubleshoot an Electric Train Set
    It's great to see your model trains running around the track, but if they suddenly stop, tip over or can't get started, you will have to troubleshoot the problem Electrical ...
  • How to Make a Lemon-Powered Light Bulb
    A lemon-powered light bulb is a great science project or even a great green solution for camping or power outages The acid in a lemon causes a chemical reaction when metals ...
  • How to Use a Trickle Charger for a Motorcycle
    Without regular use, a motorcycle battery can lose its charge While you can charge the battery when it's dead, a better choice is to use a trickle charger. Using a trickle ...