Electronics

  • Things to Do With a Lawnmower Engine
    Archimedes once famously said: "Give me a lever long enough, and a prop strong enough, I can single-handed move the world" Small engines are like Archimedes' lever, ...
  • 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 ...
  • 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 Troubleshoot a Boat Tachometer
    A boat owner running a boat without a tachometer handicaps himself significantly This small instrument dial, which details the revolutions per minute of the engine's ...
  • 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 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 Winterize a Polaris Jet Ski
    To keep your Polaris personal watercraft in good working condition from season to season, you must winterize it at the end of each season The process takes about two hours to ...
  • 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 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 Build a Cheap Floating Dock
    Floating docks can costs thousands of dollars A cheaper option is to make your dock at home using materials found at a lumber yard or big box retailer. A floating dock can be ...
  • How to Connect the Wires to the Transformer of a Toy Train
    The majority of toy trains run on low voltage DC (direct current), which is different from the AC (alternating current) running through your home's power outlets Because of ...
  • 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 ...
  • How to Measure UHF Antenna Resistance
    The easiest and most accurate method of measuring the resistance of a UHF antenna is to use a digital multimeter Measuring the resistance gives you the level that the ...
  • 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 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 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 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 ...
  • 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 Fix Fiber Optic Lighting
    An optical fiber is a strand of pure glass which has a hollow reflective core Optical fibers are used in many places, but you are likely to be more familiar with their use as ...
  • 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 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 Calculate the Scale of Models
    A model's scale describes its size in relation to its real-life subject and takes the ratio form 1:[number] The first number of the ratio is always "1." The second ...
  • How to Tell the Difference in Gel, AGM or Standard Batteries
    Lead acid batteries are used throughout the world in cars and boats Lead acid battery construction now includes both gel and AGM (Absorbed Glass Mat) technologies as well as ...
  • How to Restore Dead 6 Volt Golf Cart Batteries
    Golf-cart batteries are similar in design to car batteries, but are called deep-cycle lead-acid batteries Batteries used in golf carts need to produce constant voltage and ...
  • How to Charge 12V Batteries in Parallel
    Batteries may be wired in parallel or in series Two 12-volt batteries wired in parallel continue to produce 12 volts, but the capacity doubles. Two 12-volt batteries wired in ...
  • 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 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 ...
  • 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 Test a Varistor
    A varistor is an electronic component that protects expensive devices from harmful power surges, much like a shock absorber For example if there is a power surge, the ...
  • 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 ...