Hobbyist & DIY Electronic Devices & Circuits

Most Recent

  • DIY: How to Build a Hand Crank Flashlight
    A hand operated flashlight does not need input from sources like wind or sun in order to generate electricity. Just pressing a spring-gear mechanism is enough to make the device “pump” electricity that can be used for activating an output load.
  • Electrical House Wiring Made Easy: Simple Tips & Layouts
    The article provides some easy clues regarding conducting house electrical wiring. A few important tips if followed correctly can make the procedures really simple and without complexities.
  • How to Build a Low-Cost High-Efficiency Inverter
    Whether indoors or outdoors this high-efficiency inverter can provide clean AC to power all your small appliances like fans, lights, soldering irons, etc.
  • Learn about "Capacitor Start - Induction Run" Motors
    The starter winding has a capacitor incorporated which makes the single-phase motor a self-starting one. Read on to learn about the different types of widely used capacitor-motors
  • Generating Electricity from a Bicycle Dynamo
    The proposed mini-electricity generator project is very simple to build and can be used by students as a school project, or just for hobbyists. The set up can be used to charge a battery with electricity produced from wind power.
  • Making a Homemade Power Amplifier - PCB Layout Included
    With monolithic linear ICs becoming commonly available, making monster power audio equipment at home has today become a child’s play. One such device STK4221 from SANYO can be simply used for different massive power audio amplifier applications. One sample circuit is discussed herein.
  • Simple Thyristor Circuits Explained
    The article relates the technical specifications of SCRs and their working principles through an easy to understand, step-wise explanation. The article also offers a few interesting SCR projects that can be easily built and used for the relevant purposes.
  • Make this Useful Emergency Light using 'Cool' White LEDs
    Using high efficiency white LEDs and a unique voltage controller circuit, an almost ideal LED emergency light circuit can be constructed. Let's look at the procedure involved.
  • Electrical Measuring and Testing Devices and How to Use Them
    Electrical testing and measurement devices can tell you if a circuit or wire is energized as well as tell you how much voltage or current an electrical circuit is carrying. Other types of testing devices can tell you if a network cable is connected properly or if there is continuity in that cable.
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