Electronics

  • 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 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 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 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 ...
  • 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 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 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 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 ...
  • 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 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 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 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 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 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 ...
  • 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 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 ...
  • 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 ...
  • 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 make a Viking shield
    Step by step instructions for making an authentic Viking shield Viking were ruthless marauders that needed a proper shield for protection! learn how to make an authentic ...
  • 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 Replace an Invicta Watch Battery Without a Tool
    Replacing an Invicta watch battery without the proper tools can be performed, but it can be difficult if the screwdown case back is too stubborn to unscrew Replacing the ...
  • 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 ...
  • 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 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 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 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 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 ...
  • 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 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 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 ...