Understanding Small Signal NPN and PNP Transistors
Building virtually any electronic circuit from these small signal transistors and their…
Understanding Shunt-Wound DC Motors
Shunt DC Motors operate on direct current. As such, the field windings…
Build Your Own Home Made Water Level Meter
In one of my previous articles, I discussed how to build a water…
Understanding the DC Series Motor
A DC series motor converts electrical energy to mechanical energy. Its principle…
Electrical Measuring and Testing Devices and How to Use Them
Electrical testing and measurement devices can tell you if a circuit or…
Generating Electricity from a Bicycle Dynamo
The proposed mini-electricity generator project is very simple to build and can…
DIY: How to Build a Hand Crank Flashlight
A hand operated flashlight does not need input from sources like wind…
Build a Scrolling Message Display Circuit
Moving message display units consist of very complicated circuitry and are impossible…
The Superposition Theorem in Electrical Engineering
We live in a world of networks and you surely must be…
