I’d made a number of tone decoder projects with the unique NE567 PLL tone decoder chip in...
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.
Portable Snake Repeller
Afraid of snakes? Don’t worry, here is a portable electronic snake repeller solution to keep all...
Little Melody Maker
Here is a simple do it yourself project of a little melody maker useful for all those hobbyists...
A Cute Night Lamp
Once again, here is the circuit diagram of a little night lamp wired around the evergreen 555 tiny...
USB Power Bank Adapter
USB Power Bank – popularly known as mobile phone emergency charger – is an ideal solution for...
Poor man’s 433MHz RF Sniffer
Nowadays minuscule 433MHz RF modules are used in a wide variety of applications that require...
Secure Water Pump Switch
Here is the circuit diagram of an independent water pump switch controller with ‘soft’ on/off...
Safe Bathroom Lamp Controller
As you may know, bathroom is possibly the most dangerous area in your house when it comes to...
Electronic Magnet Evaluator
Electronic Magnet Evaluator is a simple device incredibly useful for experimenters and students...
Security System with Voice Playback
This circuit is designed in response to a request made by my beautiful neighbor. What she desired...