How to Make AC to DC
how does a rectifier work in our previous article and know that a rectifier diode allows…
electronic devices
electronic devices
Make Your Greeting Card Sing
Want to surprise your dear one by sending a self made musical greeting card? A…
electronic devices
Understanding Small Signal NPN and PNP Transistors
Building virtually any electronic circuit from these small signal transistors and their complementary pairs may…
electronic devices
Understanding Shunt-Wound DC Motors
Shunt DC Motors operate on direct current. As such, the field windings and armature are…
electronic devices
Build Your Own Home Made Water Level Meter
In one of my previous articles, I discussed how to build a water level controller. There,…
electronic devices
Understanding the DC Series Motor
A DC series motor converts electrical energy to mechanical energy. Its principle of operation is…
electronic devices
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…
electronic devices
Generating Electricity from a Bicycle Dynamo
The proposed mini-electricity generator project is very simple to build and can be used by…
electronic devices
DIY: How to Build a Hand Crank Flashlight
A hand operated flashlight does not need input from sources like wind or sun in…
Circuit theory
Build a Scrolling Message Display Circuit
Moving message display units consist of very complicated circuitry and are impossible to build without…