Electronics

  • Troubleshooting Ignition Problems on a Mercury Outboard
    Mercury Marine is an international motor boat company based in Lake Forest, Illinois, providing motors for private, commercial and government craft. Mercury produces an ...
  • 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 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 ...
  • 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 ...
  • 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 Bind a Spektrum DX6i
    The Spektrum DX6i is a radio transmitter used for remote controlled vehicles that communicates with a receiver, such as the Spektrum AR series, to give specific control of ...
  • 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 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 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 ...
  • 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 ...
  • 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 ...
  • 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, ...
  • 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 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 ...
  • 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 ...
  • Instructions for Cobra Walkie Talkies
    The portable, handheld, two-way radio is a communication device that works by sending and receiving messages with another radio on the same frequency. The two-way radio is ...
  • 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 ...
  • Different Types of Weather Instruments
    Weather watching is a fun hobby and can lead to an understanding of the triggers of and precursors to severe weather. From basic measurements of temperature, humidity, air ...
  • 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 ...
  • 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 Build a Perpetual Magnetic Generator
    . The search for making a perpetual magnetic generator is not a new one. The inventor, Peter Peregrinus, created what is known to be the earliest "magnet motor ...
  • 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 to Make Your Own LCR Dice Game
    LCR is a game played with three dice, three players and a dozen or so poker chips. Each has the letter L, C or R (representing left, center and right) printed on one side. ...
  • How to Use a GDT-11 Multimeter
    The GDT-11 is an entry level multimeter used for basic electronics testing. The GDT-11 is a 5-function, 18-range multimeter. It can be used for testing everything from home ...
  • How to Use Digital Multimeter
    If you are working on electronics you will need to know how to use a digital multimeter. The digital multimeter is one of the most useful tools for measuring, testing, and ...
  • 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 ...
  • 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' ...
  • 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 ...
  • 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 ...
  • 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. ...