I had to develop a quick design to cook up a simple anti-rape alarm/personal alarm, but using only...
Electronic Circuits
In this section you will learn and build simple electronic circuits projects. You will make interesting analog electronic circuits useful in daily life. Moreover, you will know electronic circuit design using circuit elements.
The circuits include home made electronic circuits, hobbyist circuits and prototypes.
Analog Constant Current Generator
I’ve recently completed the basic design of a general-purpose analog constant current...
Micro LED Strobe for Radio & Remote Control Toys
Making a micro-LED strobe is much simple than you think. You can simply use a couple of common...
Simple Solder Fume Extractor
Recently I have been experimenting with a Chinese solder fume extractor and was interested in using...
Audio-Light Modulator
An audio-light modulator is a funny device that controls the intensity of one or more electric...
Inground Uplighter (AC230V LED Flasher)
Why use an inground uplighter (buried uplight)? The answer is simple – when lighting a static...
Automatic Thermo Fan Switch
Thermo fans are an important part of thermal management for high-power electronics because when the...
Start & Restart Timer Switch (Quick & Easy Spike/Surge...
You cannot prevent the power grid from going down and up, but you can take steps to ensure that an...
Power Sequencer – Little Design Ideas
The power sequence is the sequence in which the power is applied and shut down between steps in a...
Power MOSFET Module for Microcontroller
In many posts, we saw how to use a common transistor as an electronic switch to drive power loads...