electronic devices 5 min read
Understanding Shunt-Wound DC Motors
Shunt DC Motors operate on direct current. As such, the field windings and armature are connected in a parallel combination,…
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electronic devices 6 min read
Build Your Own Home Made Water Level Meter
In one of my previous articles, I discussed how to build a water level controller. There, we have seen how the…
electronic devices 4 min read
Understanding the DC Series Motor
A DC series motor converts electrical energy to mechanical energy. Its principle of operation is based on a simple electromagnetic…
electronic devices 6 min read
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…
electronic devices 5 min read
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,…
electronic devices 3 min read
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…
Circuit theory 4 min read
Build a Scrolling Message Display Circuit
Moving message display units consist of very complicated circuitry and are impossible to build without using microcontroller ICs. However, a…
electrical projects 2 min read
The Superposition Theorem in Electrical Engineering
We live in a world of networks and you surely must be using one right now (since you are reading…
electrical projects 3 min read
The Network Theorems – Thevenin’s Theorem
We studied about the Superposition theorem and Kirchhoff’s laws in previous articles. Another important network theorem is the Thevenin’s theorem…
electrical projects 3 min read
Who was Nikola Tesla?
The credit for inventing alternating electric current (AC), which is used in everyday life, goes to Nikola Tesla, an inventor…
electrical projects 4 min read
How to Deal with a Victim of Electric Shock
electric shock from a high-voltage source can be fatal. While the victim might still be in after-shock trauma, his life…
electrical projects 5 min read
Methods Of Recording On Magnetic Tape
We studied about the principle of operation of magnetic tape recorders and their construction and working in previous articles. We also saw that there…
